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<!-- DFIN ActiveDisclosure(SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2021-02-26T04:53:47.7785222+00:00 -->
<!-- Version            : 5.0.1.571 -->
<!-- Package ID         : 1957cae21bc04260a0abdd77f8b42514 -->
<!-- Copyright (c) 2021 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/label/axisDefault" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-roles-2020-01-31.xsd#axisDefault" xlink:type="simple" />
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_NetAdjustmentFromChangeInChargeOffRate" xlink:type="locator" xlink:label="navi_NetAdjustmentFromChangeInChargeOffRate" />
    <link:label xml:lang="en-US" xlink:label="navi_NetAdjustmentFromChangeInChargeOffRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Net adjustment from change in charge off rate.</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_AllowanceForLoanAndLeaseLossesWriteOffsNetRemaining" xlink:type="locator" xlink:label="navi_AllowanceForLoanAndLeaseLossesWriteOffsNetRemaining" />
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceForLoanAndLeaseLossesWriteOffsNetRemaining_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance for loan and lease losses write offs net remaining.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AllowanceForLoanAndLeaseLossesWriteOffsNetRemaining" xlink:to="navi_AllowanceForLoanAndLeaseLossesWriteOffsNetRemaining_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_LoansReceivableForPartiallyChargedOffLoans" xlink:type="locator" xlink:label="navi_LoansReceivableForPartiallyChargedOffLoans" />
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableForPartiallyChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans receivable for partially charged-off loans.</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_InterestReceivableAndPayableAndOtherAssets" xlink:type="locator" xlink:label="navi_InterestReceivableAndPayableAndOtherAssets" />
    <link:label xml:lang="en-US" xlink:label="navi_InterestReceivableAndPayableAndOtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest receivable and payable and other assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_InterestReceivableAndPayableAndOtherAssets" xlink:to="navi_InterestReceivableAndPayableAndOtherAssets_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments" xlink:type="locator" xlink:label="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments" />
    <link:label xml:lang="en-US" xlink:label="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Sum of cash and investments, including restricted cash and investments, as of the balance sheet date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments" xlink:to="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_CashAndInvestmentsInterestIncomeLoss" xlink:type="locator" xlink:label="navi_CashAndInvestmentsInterestIncomeLoss" />
    <link:label xml:lang="en-US" xlink:label="navi_CashAndInvestmentsInterestIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest income, net of discount accretion and premium amortization from the cash and investment portfolio.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CashAndInvestmentsInterestIncomeLoss" xlink:to="navi_CashAndInvestmentsInterestIncomeLoss_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_ServicingRevenue" xlink:type="locator" xlink:label="navi_ServicingRevenue" />
    <link:label xml:lang="en-US" xlink:label="navi_ServicingRevenue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Servicing revenue.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ServicingRevenue" xlink:to="navi_ServicingRevenue_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_AssetRecoveryAndBusinessProcessingRevenue" xlink:type="locator" xlink:label="navi_AssetRecoveryAndBusinessProcessingRevenue" />
    <link:label xml:lang="en-US" xlink:label="navi_AssetRecoveryAndBusinessProcessingRevenue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset recovery and business processing revenue.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AssetRecoveryAndBusinessProcessingRevenue" xlink:to="navi_AssetRecoveryAndBusinessProcessingRevenue_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses" xlink:type="locator" xlink:label="navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses" />
    <link:label xml:lang="en-US" xlink:label="navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Noninterest Income Expenses Other Operating Income Expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses" xlink:to="navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_OtherIncomeLossAndGainLossOnDerivatives" xlink:type="locator" xlink:label="navi_OtherIncomeLossAndGainLossOnDerivatives" />
    <link:label xml:lang="en-US" xlink:label="navi_OtherIncomeLossAndGainLossOnDerivatives_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Includes other income and gains (losses) on derivative and hedging activities, net.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OtherIncomeLossAndGainLossOnDerivatives" xlink:to="navi_OtherIncomeLossAndGainLossOnDerivatives_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_UnallocatedSharedServicesExpenses" xlink:type="locator" xlink:label="navi_UnallocatedSharedServicesExpenses" />
    <link:label xml:lang="en-US" xlink:label="navi_UnallocatedSharedServicesExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Unallocated shared services expenses.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_UnallocatedSharedServicesExpenses" xlink:to="navi_UnallocatedSharedServicesExpenses_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense" xlink:type="locator" xlink:label="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense" />
    <link:label xml:lang="en-US" xlink:label="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Also includes the amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense" xlink:to="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_CoreEarningsAdjustmentsToGaap" xlink:type="locator" xlink:label="navi_CoreEarningsAdjustmentsToGaap" />
    <link:label xml:lang="en-US" xlink:label="navi_CoreEarningsAdjustmentsToGaap_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Total "Core Earnings" adjustments to GAAP.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CoreEarningsAdjustmentsToGaap" xlink:to="navi_CoreEarningsAdjustmentsToGaap_lbl" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
    <link:label xml:lang="en-US" xlink:label="dei_CoverAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
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    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentInformationTable" xlink:type="locator" xlink:label="dei_DocumentInformationTable" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentInformationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationTable" xlink:to="dei_DocumentInformationTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentInformationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Class Of Stock [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Stock [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_CommonStockParValuePointZeroOnePerShareMember" xlink:type="locator" xlink:label="navi_CommonStockParValuePointZeroOnePerShareMember" />
    <link:label xml:lang="en-US" xlink:label="navi_CommonStockParValuePointZeroOnePerShareMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock par value point zero one per share.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CommonStockParValuePointZeroOnePerShareMember" xlink:to="navi_CommonStockParValuePointZeroOnePerShareMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_CommonStockParValuePointZeroOnePerShareMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock Par Value. 01 Per Share [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CommonStockParValuePointZeroOnePerShareMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Par Value Point Zero One Per Share [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember" xlink:type="locator" xlink:label="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior notes due December fifteen two thousand forty three.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember" xlink:to="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Notes Due December 15, 2043 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Senior Notes Due December Fifteen Two Thousand Forty Three [Member]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentInformationLineItems" xlink:type="locator" xlink:label="dei_DocumentInformationLineItems" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentInformationLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:type="locator" xlink:label="dei_DocumentFiscalYearFocus" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:type="locator" xlink:label="dei_DocumentFiscalPeriodFocus" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
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    <link:loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:type="locator" xlink:label="dei_CurrentFiscalYearEndDate" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestAndDividendIncomeOperating" xlink:type="locator" xlink:label="us-gaap_InterestAndDividendIncomeOperating" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total interest expense</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:type="locator" xlink:label="us-gaap_InterestIncomeExpenseNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net interest income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeExpenseNet" xlink:to="us-gaap_InterestIncomeExpenseNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income Expense Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForLoanLossesExpensed" xlink:type="locator" xlink:label="us-gaap_ProvisionForLoanLossesExpensed" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel">Less: provisions for loan losses</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" xlink:type="locator" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net interest income after provisions for loan losses</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income Expense After Provision For Loan Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoninterestIncomeAbstract" xlink:type="locator" xlink:label="us-gaap_NoninterestIncomeAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NoninterestIncomeAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (loss):</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NoninterestIncomeAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Income [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ServicingRevenue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel">Servicing revenue</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ServicingRevenue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Revenue</link:label>
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    <link:label xml:lang="en-US" xlink:label="navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Income Expenses Other Operating Income Expenses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnSalesOfLoansNet" xlink:type="locator" xlink:label="us-gaap_GainLossOnSalesOfLoansNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnSalesOfLoansNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gains on sales of loans</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnRepurchaseOfDebtInstrument" xlink:type="locator" xlink:label="us-gaap_GainLossOnRepurchaseOfDebtInstrument" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other income</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoninterestExpenseAbstract" xlink:type="locator" xlink:label="us-gaap_NoninterestExpenseAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NoninterestExpenseAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:type="locator" xlink:label="us-gaap_LaborAndRelatedExpense" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNoninterestExpense" xlink:to="us-gaap_OtherNoninterestExpense_lbl" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingExpenses" xlink:type="locator" xlink:label="us-gaap_OperatingExpenses" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating expenses</link:label>
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    <link:label xml:lang="en-US" xlink:label="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and acquired intangible asset impairment and amortization expense</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NoninterestExpense_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expenses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoninterestExpense" xlink:to="us-gaap_NoninterestExpense_lbl" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:type="locator" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax expense</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense Benefit</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net income</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Income Loss</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="locator" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareCashPaid" xlink:to="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:to="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss" xlink:type="locator" xlink:label="us-gaap_ProfitLoss" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProfitLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProfitLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Profit Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net changes in cash flow hedges, net of taxes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_lbl" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total comprehensive income</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income Net Of Tax</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_GainLossOnDerivativeContractSettlement" xlink:type="locator" xlink:label="navi_GainLossOnDerivativeContractSettlement" />
    <link:label xml:lang="en-US" xlink:label="navi_GainLossOnDerivativeContractSettlement_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain loss on derivative contract settlement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_GainLossOnDerivativeContractSettlement" xlink:to="navi_GainLossOnDerivativeContractSettlement_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_RepurchaseOfCommonStockAbstract" xlink:type="locator" xlink:label="navi_RepurchaseOfCommonStockAbstract" />
    <link:label xml:lang="en-US" xlink:label="navi_RepurchaseOfCommonStockAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Repurchase of common stock.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_RepurchaseOfCommonStockAbstract" xlink:to="navi_RepurchaseOfCommonStockAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="locator" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Of Stockholders Equity [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Component</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember" xlink:type="locator" xlink:label="us-gaap_CommonStockMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockMember" xlink:type="locator" xlink:label="us-gaap_TreasuryStockMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury Stock [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockMember" xlink:to="us-gaap_TreasuryStockMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_CommonStockSharesOutstandingMember" xlink:type="locator" xlink:label="navi_CommonStockSharesOutstandingMember" />
    <link:label xml:lang="en-US" xlink:label="navi_CommonStockSharesOutstandingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock shares outstanding.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CommonStockSharesOutstandingMember" xlink:to="navi_CommonStockSharesOutstandingMember_lbl" />
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    <link:label xml:lang="en-US" xlink:label="navi_CommonStockSharesOutstandingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Outstanding [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:type="locator" xlink:label="us-gaap_AdditionalPaidInCapitalMember" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid In Capital [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:type="locator" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retained Earnings [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ParentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Stockholders&apos; Equity [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_ParentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ParentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Parent [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Noncontrolling Interest [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestMember" xlink:to="us-gaap_NoncontrollingInterestMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Noncontrolling Interest [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareRepurchaseProgramAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Repurchase Program</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareRepurchaseProgramAxis" xlink:to="us-gaap_ShareRepurchaseProgramAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareRepurchaseProgramAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Axis]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareRepurchaseProgramDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Repurchase Program</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareRepurchaseProgramDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_OpenMarketShareRepurchasesMember" xlink:type="locator" xlink:label="navi_OpenMarketShareRepurchasesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_OpenMarketShareRepurchasesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Open market share repurchases.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OpenMarketShareRepurchasesMember" xlink:to="navi_OpenMarketShareRepurchasesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_OpenMarketShareRepurchasesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Open Market Repurchases [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OpenMarketShareRepurchasesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Open Market Share Repurchases [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_DerivativeContractSettlementMember" xlink:type="locator" xlink:label="navi_DerivativeContractSettlementMember" />
    <link:label xml:lang="en-US" xlink:label="navi_DerivativeContractSettlementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Derivative contract settlement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_DerivativeContractSettlementMember" xlink:to="navi_DerivativeContractSettlementMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_DerivativeContractSettlementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Contract Settlement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DerivativeContractSettlementMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Contract Settlement [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cumulative Effect Period Of Adoption [Axis]</link:label>
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    <link:label xml:lang="en-US" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cumulative Effect, Period of Adoption</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance, Value</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ProfitLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:type="locator" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Loss Net Of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total comprehensive income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendsCashAbstract" xlink:type="locator" xlink:label="us-gaap_DividendsCashAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCashAbstract" xlink:to="us-gaap_DividendsCashAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DividendsCashAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Cash [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:type="locator" xlink:label="us-gaap_DividendsCommonStockCash" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStockCash" xlink:to="us-gaap_DividendsCommonStockCash_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Common Stock Cash</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendsSharebasedCompensationStock" xlink:type="locator" xlink:label="us-gaap_DividendsSharebasedCompensationStock" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DividendsSharebasedCompensationStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Dividend equivalent units related to employee stock-based compensation plans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsSharebasedCompensationStock" xlink:to="us-gaap_DividendsSharebasedCompensationStock_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DividendsSharebasedCompensationStock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Sharebased Compensation Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Value New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common shares, Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period Shares New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_RepurchaseOfCommonStockAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repurchase of common stock:</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_RepurchaseOfCommonStockAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Of Common Stock [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:type="locator" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common stock repurchased</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock Value Acquired Cost Method</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:type="locator" xlink:label="us-gaap_TreasuryStockSharesAcquired" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common stock repurchased, Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockSharesAcquired" xlink:to="us-gaap_TreasuryStockSharesAcquired_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock Shares Acquired</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_GainLossOnDerivativeContractSettlement_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Gain)/loss on settlement</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_GainLossOnDerivativeContractSettlement_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Gain Loss On Derivative Contract Settlement</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Shares repurchased related to employee stock-based compensation plans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:to="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments Related To Tax Withholding For Share Based Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:type="locator" xlink:label="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Shares repurchased related to employee stock-based compensation plans, Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:to="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Shares Paid For Tax Withholding For Share Based Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestDecreaseFromRedemptions" xlink:type="locator" xlink:label="us-gaap_MinorityInterestDecreaseFromRedemptions" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MinorityInterestDecreaseFromRedemptions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchase of noncontrolling interest</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_MinorityInterestDecreaseFromRedemptions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Minority Interest Decrease From Redemptions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect" xlink:type="locator" xlink:label="us-gaap_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reclassification from adoption of ASU No. 2018-02</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tax Cuts And Jobs Act Of2017 Reclassification From Aoci To Retained Earnings Tax Effect</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestPeriodIncreaseDecrease" xlink:type="locator" xlink:label="us-gaap_MinorityInterestPeriodIncreaseDecrease" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MinorityInterestPeriodIncreaseDecrease_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net activity in noncontrolling interest</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_MinorityInterestPeriodIncreaseDecrease_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Minority Interest Period Increase Decrease</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance, Value</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance, Shares</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_PrincipalPaymentsOnEducationLoans" xlink:type="locator" xlink:label="navi_PrincipalPaymentsOnEducationLoans" />
    <link:label xml:lang="en-US" xlink:label="navi_PrincipalPaymentsOnEducationLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Principal payments on education loans.</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating activities</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation expense</link:label>
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    <link:label xml:lang="en-US" xlink:label="navi_SegmentResultsAndReconciliationsToGaapTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Results And Reconciliations To Gaap Table [Text Block]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock" xlink:type="locator" xlink:label="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock" />
    <link:label xml:lang="en-US" xlink:label="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of the company&apos;s "Core Earnings" adjustments to GAAP.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock" xlink:to="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Core Earnings Adjustments to GAAP</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Core Earnings Adjustments To Gaap Table [Text Block]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LoansServicedToNumberOfCustomers" xlink:type="locator" xlink:label="navi_LoansServicedToNumberOfCustomers" />
    <link:label xml:lang="en-US" xlink:label="navi_LoansServicedToNumberOfCustomers_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans serviced to number of customers.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LoansServicedToNumberOfCustomers" xlink:to="navi_LoansServicedToNumberOfCustomers_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_PrincipalBalanceOfLoansOriginated" xlink:type="locator" xlink:label="navi_PrincipalBalanceOfLoansOriginated" />
    <link:label xml:lang="en-US" xlink:label="navi_PrincipalBalanceOfLoansOriginated_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">The principal balance of loans originated during the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrincipalBalanceOfLoansOriginated" xlink:to="navi_PrincipalBalanceOfLoansOriginated_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_NumberOfClientsForBusinessProcessingServices" xlink:type="locator" xlink:label="navi_NumberOfClientsForBusinessProcessingServices" />
    <link:label xml:lang="en-US" xlink:label="navi_NumberOfClientsForBusinessProcessingServices_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of clients for business processing services.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_NumberOfClientsForBusinessProcessingServices" xlink:to="navi_NumberOfClientsForBusinessProcessingServices_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_OrganizationAndBusinessLineItems" xlink:type="locator" xlink:label="navi_OrganizationAndBusinessLineItems" />
    <link:label xml:lang="en-US" xlink:label="navi_OrganizationAndBusinessLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and business.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OrganizationAndBusinessLineItems" xlink:to="navi_OrganizationAndBusinessLineItems_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_OrganizationAndBusinessTable" xlink:type="locator" xlink:label="navi_OrganizationAndBusinessTable" />
    <link:label xml:lang="en-US" xlink:label="navi_OrganizationAndBusinessTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization and Business.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OrganizationAndBusinessTable" xlink:to="navi_OrganizationAndBusinessTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_OrganizationAndBusinessTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization And Business [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OrganizationAndBusinessTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Organization And Business [Table]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_BusinessProcessingMember" xlink:type="locator" xlink:label="navi_BusinessProcessingMember" />
    <link:label xml:lang="en-US" xlink:label="navi_BusinessProcessingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Business processing.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_BusinessProcessingMember" xlink:to="navi_BusinessProcessingMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_BusinessProcessingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Processing [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_BusinessProcessingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Business Processing [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis" xlink:type="locator" xlink:label="srt_RangeAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_RangeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_RangeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Range [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember" xlink:type="locator" xlink:label="srt_RangeMember" />
    <link:label xml:lang="en-US" xlink:label="srt_RangeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeMember" xlink:to="srt_RangeMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_RangeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Range [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MinimumMember" xlink:type="locator" xlink:label="srt_MinimumMember" />
    <link:label xml:lang="en-US" xlink:label="srt_MinimumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_MinimumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember" xlink:type="locator" xlink:label="srt_MaximumMember" />
    <link:label xml:lang="en-US" xlink:label="srt_MaximumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_MaximumMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OrganizationAndBusinessLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization And Business [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OrganizationAndBusinessLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Organization And Business [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansServicedToNumberOfCustomers_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans serviced to customers on behalf of the U.S. Department of Education (ED)</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansServicedToNumberOfCustomers_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans Serviced To Number Of Customers</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrincipalBalanceOfLoansOriginated_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans originated</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrincipalBalanceOfLoansOriginated_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Principal Balance Of Loans Originated</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NumberOfClientsForBusinessProcessingServices_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of clients for business processing services</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NumberOfClientsForBusinessProcessingServices_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Clients For Business Processing Services</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SummaryOfSignificantAccountingPoliciesLineItems" xlink:type="locator" xlink:label="navi_SummaryOfSignificantAccountingPoliciesLineItems" />
    <link:label xml:lang="en-US" xlink:label="navi_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="navi_SummaryOfSignificantAccountingPoliciesLineItems_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_SummaryOfSignificantAccountingPoliciesTable" xlink:type="locator" xlink:label="navi_SummaryOfSignificantAccountingPoliciesTable" />
    <link:label xml:lang="en-US" xlink:label="navi_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary Of Significant Accounting Policies [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SummaryOfSignificantAccountingPoliciesTable" xlink:to="navi_SummaryOfSignificantAccountingPoliciesTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditLossStatusAxis" xlink:type="locator" xlink:label="us-gaap_CreditLossStatusAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CreditLossStatusAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Loss Status</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditLossStatusAxis" xlink:to="us-gaap_CreditLossStatusAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CreditLossStatusAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Credit Loss Status [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditLossStatusDomain" xlink:type="locator" xlink:label="us-gaap_CreditLossStatusDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CreditLossStatusDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Loss Status</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditLossStatusDomain" xlink:to="us-gaap_CreditLossStatusDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CreditLossStatusDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Credit Loss Status [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember" xlink:type="locator" xlink:label="us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Deteriorated Portfolio [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember" xlink:to="us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset Acquired With Credit Deterioration [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment By Class Of Financing Receivable [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment Class Of Financing Receivable [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LoansReceivableForPartiallyChargedOffLoansMember" xlink:type="locator" xlink:label="navi_LoansReceivableForPartiallyChargedOffLoansMember" />
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableForPartiallyChargedOffLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans receivable for partially charged off loans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LoansReceivableForPartiallyChargedOffLoansMember" xlink:to="navi_LoansReceivableForPartiallyChargedOffLoansMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableForPartiallyChargedOffLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Receivable For Partially Charged Off Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableForPartiallyChargedOffLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable For Partially Charged Off Loans [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:type="locator" xlink:label="us-gaap_BalanceSheetLocationAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance Sheet Location</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationAxis" xlink:to="us-gaap_BalanceSheetLocationAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:type="locator" xlink:label="us-gaap_BalanceSheetLocationDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Balance Sheet Location</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="us-gaap_BalanceSheetLocationDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Balance Sheet Location [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityMember" xlink:type="locator" xlink:label="us-gaap_EquityMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMember" xlink:to="us-gaap_EquityMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cumulative Effect Period of Adoption Adjustment [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancialAssetAcquiredAndNoCreditDeteriorationMember" xlink:type="locator" xlink:label="us-gaap_FinancialAssetAcquiredAndNoCreditDeteriorationMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancialAssetAcquiredAndNoCreditDeteriorationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-PCD Portfolio [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialAssetAcquiredAndNoCreditDeteriorationMember" xlink:to="us-gaap_FinancialAssetAcquiredAndNoCreditDeteriorationMember_lbl" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnusualRiskOrUncertaintyByNatureAxis" xlink:type="locator" xlink:label="us-gaap_UnusualRiskOrUncertaintyByNatureAxis" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net increase to allowance for loan losses under CECL</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Period Increase Decrease</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Allowance at end of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Delinquency period (in days)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff" xlink:to="us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Threshold Period Past Due Writeoff</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PercentageOfInsuranceReimbursementReceivable" xlink:type="locator" xlink:label="navi_PercentageOfInsuranceReimbursementReceivable" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfInsuranceReimbursementReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of insurance reimbursement receivable.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PercentageOfInsuranceReimbursementReceivable" xlink:to="navi_PercentageOfInsuranceReimbursementReceivable_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfInsuranceReimbursementReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage reimbursement on all qualifying default claims period</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfInsuranceReimbursementReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Insurance Reimbursement Receivable</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ExpectedPeriodBetweenLossEventAndDefault" xlink:type="locator" xlink:label="navi_ExpectedPeriodBetweenLossEventAndDefault" />
    <link:label xml:lang="en-US" xlink:label="navi_ExpectedPeriodBetweenLossEventAndDefault_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Expected period between loss event and default.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ExpectedPeriodBetweenLossEventAndDefault" xlink:to="navi_ExpectedPeriodBetweenLossEventAndDefault_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ExpectedPeriodBetweenLossEventAndDefault_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Default period of principal amount of loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ExpectedPeriodBetweenLossEventAndDefault_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Expected Period Between Loss Event And Default</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_GoodwillImpairmentThreshold" xlink:type="locator" xlink:label="navi_GoodwillImpairmentThreshold" />
    <link:label xml:lang="en-US" xlink:label="navi_GoodwillImpairmentThreshold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Goodwill Impairment Threshold</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_GoodwillImpairmentThreshold" xlink:to="navi_GoodwillImpairmentThreshold_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_GoodwillImpairmentThreshold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of threshold</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_GoodwillImpairmentThreshold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill Impairment Threshold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillImpairedMethodForFairValueDetermination" xlink:type="locator" xlink:label="us-gaap_GoodwillImpairedMethodForFairValueDetermination" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GoodwillImpairedMethodForFairValueDetermination_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill impaired method for fair value determination</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillImpairedMethodForFairValueDetermination" xlink:to="us-gaap_GoodwillImpairedMethodForFairValueDetermination_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GoodwillImpairedMethodForFairValueDetermination_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill Impaired Method For Fair Value Determination</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_OptionToExerciseCleanUpCallAndPurchaseEducationLoanFromTrustOfOriginalLoanBalance" xlink:type="locator" xlink:label="navi_OptionToExerciseCleanUpCallAndPurchaseEducationLoanFromTrustOfOriginalLoanBalance" />
    <link:label xml:lang="en-US" xlink:label="navi_OptionToExerciseCleanUpCallAndPurchaseEducationLoanFromTrustOfOriginalLoanBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Option to exercise clean up call and purchase student loans from trust of original loan balance.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OptionToExerciseCleanUpCallAndPurchaseEducationLoanFromTrustOfOriginalLoanBalance" xlink:to="navi_OptionToExerciseCleanUpCallAndPurchaseEducationLoanFromTrustOfOriginalLoanBalance_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_PercentageOfTrustsAssetsThatTriggersCleanUpCall" xlink:type="locator" xlink:label="navi_PercentageOfTrustsAssetsThatTriggersCleanUpCall" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfTrustsAssetsThatTriggersCleanUpCall_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of trusts assets that triggers clean-up call.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PercentageOfTrustsAssetsThatTriggersCleanUpCall" xlink:to="navi_PercentageOfTrustsAssetsThatTriggersCleanUpCall_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_OptionToExerciseCleanUpCallAndPurchaseEducationLoanFromTrustOfOriginalLoanBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Option to exercise clean-up call and purchase education loans from trust of original loan balance</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OptionToExerciseCleanUpCallAndPurchaseEducationLoanFromTrustOfOriginalLoanBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Option To Exercise Clean Up Call And Purchase Education Loan From Trust Of Original Loan Balance</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfTrustsAssetsThatTriggersCleanUpCall_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of trust&apos;s asset balance needed to trigger clean-up call</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfTrustsAssetsThatTriggersCleanUpCall_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Trusts Assets That Triggers Clean Up Call</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_OptionToPurchaseEducationLoanOfTrustDescription" xlink:type="locator" xlink:label="navi_OptionToPurchaseEducationLoanOfTrustDescription" />
    <link:label xml:lang="en-US" xlink:label="navi_OptionToPurchaseEducationLoanOfTrustDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Option to purchase education loan of trust description.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OptionToPurchaseEducationLoanOfTrustDescription" xlink:to="navi_OptionToPurchaseEducationLoanOfTrustDescription_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_PercentageOfAggregateEducationLoanToBePurchase" xlink:type="locator" xlink:label="navi_PercentageOfAggregateEducationLoanToBePurchase" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfAggregateEducationLoanToBePurchase_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of aggregate education loan to be purchase.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PercentageOfAggregateEducationLoanToBePurchase" xlink:to="navi_PercentageOfAggregateEducationLoanToBePurchase_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_OptionToPurchaseEducationLoanOfTrustDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Option to purchase education loan of the trust&apos;s initial pool balance</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OptionToPurchaseEducationLoanOfTrustDescription_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Option To Purchase Education Loan Of Trust Description</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfAggregateEducationLoanToBePurchase_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate education loan to purchase</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfAggregateEducationLoanToBePurchase_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Aggregate Education Loan To Be Purchase</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DescriptionOfPostemploymentBenefits" xlink:type="locator" xlink:label="us-gaap_DescriptionOfPostemploymentBenefits" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DescriptionOfPostemploymentBenefits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of post employment benefits</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DescriptionOfPostemploymentBenefits" xlink:to="us-gaap_DescriptionOfPostemploymentBenefits_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DescriptionOfPostemploymentBenefits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Description Of Postemployment Benefits</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LoansReceivableRepaymentPeriod" xlink:type="locator" xlink:label="navi_LoansReceivableRepaymentPeriod" />
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableRepaymentPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans receivable repayment period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LoansReceivableRepaymentPeriod" xlink:to="navi_LoansReceivableRepaymentPeriod_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Accounts Notes Loans And Financing Receivable [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Accounts Notes Loans And Financing Receivable [Table]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_StaffordLoansMember" xlink:type="locator" xlink:label="navi_StaffordLoansMember" />
    <link:label xml:lang="en-US" xlink:label="navi_StaffordLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Stafford loans member.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_StaffordLoansMember" xlink:to="navi_StaffordLoansMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_StaffordLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stafford Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_StaffordLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Stafford Loans [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PlusLoansMember" xlink:type="locator" xlink:label="navi_PlusLoansMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PlusLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Plus loans member.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PlusLoansMember" xlink:to="navi_PlusLoansMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PlusLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plus Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PlusLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Plus Loans [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ConsolidationLoansMember" xlink:type="locator" xlink:label="navi_ConsolidationLoansMember" />
    <link:label xml:lang="en-US" xlink:label="navi_ConsolidationLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Consolidation loans member.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ConsolidationLoansMember" xlink:to="navi_ConsolidationLoansMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ConsolidationLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ConsolidationLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Loans [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StudentLoanMember" xlink:type="locator" xlink:label="us-gaap_StudentLoanMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StudentLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Student Loan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StudentLoanMember" xlink:to="us-gaap_StudentLoanMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StudentLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Student Loan [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_WeightedAverageMember" xlink:type="locator" xlink:label="srt_WeightedAverageMember" />
    <link:label xml:lang="en-US" xlink:label="srt_WeightedAverageMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_WeightedAverageMember" xlink:to="srt_WeightedAverageMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_WeightedAverageMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis" xlink:type="locator" xlink:label="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Type of Borrower</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis" xlink:to="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Financing Receivable Type Of Borrower [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable, Type of Borrower</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain" xlink:to="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfFinancingReceivableTypeOfBorrowerDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Financing Receivable Type Of Borrower [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_AfterOctoberOneNineteenNinetyThreeAndBeforeJulyOneTwoThousandSixMember" xlink:type="locator" xlink:label="navi_AfterOctoberOneNineteenNinetyThreeAndBeforeJulyOneTwoThousandSixMember" />
    <link:label xml:lang="en-US" xlink:label="navi_AfterOctoberOneNineteenNinetyThreeAndBeforeJulyOneTwoThousandSixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">After October one nineteen ninety three and before July one two thousand six.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AfterOctoberOneNineteenNinetyThreeAndBeforeJulyOneTwoThousandSixMember" xlink:to="navi_AfterOctoberOneNineteenNinetyThreeAndBeforeJulyOneTwoThousandSixMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_AfterOctoberOneNineteenNinetyThreeAndBeforeJulyOneTwoThousandSixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After October 1 1993 and before July 1 2006 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AfterOctoberOneNineteenNinetyThreeAndBeforeJulyOneTwoThousandSixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">After October One Nineteen Ninety Three And Before July One Two Thousand Six [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_OnOrAfterJulyOneTwoThousandSixMember" xlink:type="locator" xlink:label="navi_OnOrAfterJulyOneTwoThousandSixMember" />
    <link:label xml:lang="en-US" xlink:label="navi_OnOrAfterJulyOneTwoThousandSixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">On or after July one two thousand six.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OnOrAfterJulyOneTwoThousandSixMember" xlink:to="navi_OnOrAfterJulyOneTwoThousandSixMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_OnOrAfterJulyOneTwoThousandSixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">On or After July 1 2006 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OnOrAfterJulyOneTwoThousandSixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">On Or After July One Two Thousand Six [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:type="locator" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Notes And Loans Receivable [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Notes And Loans Receivable [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableRepaymentPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment term</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableRepaymentPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable Repayment Period</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ReimbursementOnAllQualifyingDefaultClaimsPercentage" xlink:type="locator" xlink:label="navi_ReimbursementOnAllQualifyingDefaultClaimsPercentage" />
    <link:label xml:lang="en-US" xlink:label="navi_ReimbursementOnAllQualifyingDefaultClaimsPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Reimbursement on all qualifying default claims percentage.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ReimbursementOnAllQualifyingDefaultClaimsPercentage" xlink:to="navi_ReimbursementOnAllQualifyingDefaultClaimsPercentage_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ReimbursementOnAllQualifyingDefaultClaimsPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage reimbursement on all qualifying default claims period</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ReimbursementOnAllQualifyingDefaultClaimsPercentage_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Reimbursement On All Qualifying Default Claims Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated weighted average life of education loans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:to="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Asset Useful Life</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_AverageOutstandingEducationLoans" xlink:type="locator" xlink:label="navi_AverageOutstandingEducationLoans" />
    <link:label xml:lang="en-US" xlink:label="navi_AverageOutstandingEducationLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the average balance of outstanding student loans during the period presented.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AverageOutstandingEducationLoans" xlink:to="navi_AverageOutstandingEducationLoans_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_PercentageToEducationLoans" xlink:type="locator" xlink:label="navi_PercentageToEducationLoans" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentageToEducationLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage to total student loans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PercentageToEducationLoans" xlink:to="navi_PercentageToEducationLoans_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ConsolidationLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Consolidation Loans Member</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel">Ending Balance of education loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageToEducationLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage to total education loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageToEducationLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage To Education Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AverageOutstandingEducationLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average Balance education loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AverageOutstandingEducationLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Average Outstanding Education Loans</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivableWithImputedInterestEffectiveYieldInterestRate" xlink:type="locator" xlink:label="us-gaap_ReceivableWithImputedInterestEffectiveYieldInterestRate" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ReceivableWithImputedInterestEffectiveYieldInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average Effective Interest Rate of education loans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivableWithImputedInterestEffectiveYieldInterestRate" xlink:to="us-gaap_ReceivableWithImputedInterestEffectiveYieldInterestRate_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ReceivableWithImputedInterestEffectiveYieldInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Receivable With Imputed Interest Effective Yield Interest Rate</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PercentageOfEducationLoanPortfolioInRepayment" xlink:type="locator" xlink:label="navi_PercentageOfEducationLoanPortfolioInRepayment" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfEducationLoanPortfolioInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of education loan portfolio in repayment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PercentageOfEducationLoanPortfolioInRepayment" xlink:to="navi_PercentageOfEducationLoanPortfolioInRepayment_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfEducationLoanPortfolioInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of education loan portfolio in repayment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfEducationLoanPortfolioInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Education Loan Portfolio In Repayment</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ExpectedFutureRecoveriesOnChargedOffLoans" xlink:type="locator" xlink:label="navi_ExpectedFutureRecoveriesOnChargedOffLoans" />
    <link:label xml:lang="en-US" xlink:label="navi_ExpectedFutureRecoveriesOnChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Expected future recoveries on charged-off loans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ExpectedFutureRecoveriesOnChargedOffLoans" xlink:to="navi_ExpectedFutureRecoveriesOnChargedOffLoans_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableAllowanceForCreditLossesExcludingExpectedFutureRecoveriesOnChargedOffLoans" xlink:type="locator" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesExcludingExpectedFutureRecoveriesOnChargedOffLoans" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesExcludingExpectedFutureRecoveriesOnChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses excluding expected future recoveries on charged-off loans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableAllowanceForCreditLossesExcludingExpectedFutureRecoveriesOnChargedOffLoans" xlink:to="navi_FinancingReceivableAllowanceForCreditLossesExcludingExpectedFutureRecoveriesOnChargedOffLoans_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate" xlink:type="locator" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate" />
    <link:label xml:lang="en-US" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Net charge offs as percentage of average loans in repayment excluding net adjustment resulting from change in charge off rate.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate" xlink:to="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment" xlink:type="locator" xlink:label="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment" />
    <link:label xml:lang="en-US" xlink:label="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Net adjustment resulting from change in charge off rate as percentage of average loans in repayment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment" xlink:to="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_AllowanceCoverageOfChargeOffs" xlink:type="locator" xlink:label="navi_AllowanceCoverageOfChargeOffs" />
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceCoverageOfChargeOffs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance coverage of charge-offs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AllowanceCoverageOfChargeOffs" xlink:to="navi_AllowanceCoverageOfChargeOffs_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_AllowanceAsPercentageOfEndingLoanBalance" xlink:type="locator" xlink:label="navi_AllowanceAsPercentageOfEndingLoanBalance" />
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceAsPercentageOfEndingLoanBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance as a percentage of the ending total loan balance.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AllowanceAsPercentageOfEndingLoanBalance" xlink:to="navi_AllowanceAsPercentageOfEndingLoanBalance_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_AllowanceAsPercentageOfEndingLoansInRepayment" xlink:type="locator" xlink:label="navi_AllowanceAsPercentageOfEndingLoansInRepayment" />
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceAsPercentageOfEndingLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance as a percentage of ending loans in repayment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AllowanceAsPercentageOfEndingLoansInRepayment" xlink:to="navi_AllowanceAsPercentageOfEndingLoansInRepayment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_AverageBalanceOfLoansInRepayment" xlink:type="locator" xlink:label="navi_AverageBalanceOfLoansInRepayment" />
    <link:label xml:lang="en-US" xlink:label="navi_AverageBalanceOfLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Average balance of loans in repayment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AverageBalanceOfLoansInRepayment" xlink:to="navi_AverageBalanceOfLoansInRepayment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_EndingBalanceOfLoansInRepayment" xlink:type="locator" xlink:label="navi_EndingBalanceOfLoansInRepayment" />
    <link:label xml:lang="en-US" xlink:label="navi_EndingBalanceOfLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Ending balance of loans in repayment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_EndingBalanceOfLoansInRepayment" xlink:to="navi_EndingBalanceOfLoansInRepayment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableAllowanceForCreditLossesAdjustmentsNet" xlink:type="locator" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesAdjustmentsNet" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesAdjustmentsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses adjustments net.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableAllowanceForCreditLossesAdjustmentsNet" xlink:to="navi_FinancingReceivableAllowanceForCreditLossesAdjustmentsNet_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableAllowanceForCreditLossCollectivelyEvaluatedForImpairmentAbstract" xlink:type="locator" xlink:label="navi_FinancingReceivableAllowanceForCreditLossCollectivelyEvaluatedForImpairmentAbstract" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossCollectivelyEvaluatedForImpairmentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit Loss collectively evaluated for impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableAllowanceForCreditLossCollectivelyEvaluatedForImpairmentAbstract" xlink:to="navi_FinancingReceivableAllowanceForCreditLossCollectivelyEvaluatedForImpairmentAbstract_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableAllowanceForCreditLossesExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" xlink:type="locator" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses excluding purchased non credit impaired loans acquired at discount and purchased credit impaired loans collectively evaluated for impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableAllowanceForCreditLossesExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" xlink:to="navi_FinancingReceivableAllowanceForCreditLossesExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableAllowanceForCreditLossesPurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment" xlink:type="locator" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses purchased non credit impaired loans acquired at discount collectively evaluated for impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableAllowanceForCreditLossesPurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment" xlink:to="navi_FinancingReceivableAllowanceForCreditLossesPurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableAllowanceForCreditLossesPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" xlink:type="locator" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable excluding purchased non credit impaired loans and purchased credit impaired loans, collectively evaluated for impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableAllowanceForCreditLossesPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" xlink:to="navi_FinancingReceivableAllowanceForCreditLossesPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableLoansAdditionalInformationAbstract" xlink:type="locator" xlink:label="navi_FinancingReceivableLoansAdditionalInformationAbstract" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableLoansAdditionalInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable, loans, additional information.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableLoansAdditionalInformationAbstract" xlink:to="navi_FinancingReceivableLoansAdditionalInformationAbstract_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableLoansCollectivelyEvaluatedForImpairmentAbstract" xlink:type="locator" xlink:label="navi_FinancingReceivableLoansCollectivelyEvaluatedForImpairmentAbstract" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableLoansCollectivelyEvaluatedForImpairmentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable loans collectively evaluated for impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableLoansCollectivelyEvaluatedForImpairmentAbstract" xlink:to="navi_FinancingReceivableLoansCollectivelyEvaluatedForImpairmentAbstract_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" xlink:type="locator" xlink:label="navi_FinancingReceivableExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable excluding purchased non credit impaired loans acquired at discount and purchased credit impaired loans collectively evaluated for impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" xlink:to="navi_FinancingReceivableExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivablePurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment" xlink:type="locator" xlink:label="navi_FinancingReceivablePurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablePurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable purchased non credit impaired loans acquired at discount collectively evaluated for impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivablePurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment" xlink:to="navi_FinancingReceivablePurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivablePurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" xlink:type="locator" xlink:label="navi_FinancingReceivablePurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablePurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable purchased credit impaired loans, collectively evaluated for impairment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivablePurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment" xlink:to="navi_FinancingReceivablePurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_AllowanceForCreditLossesAndRecordedInvestmentsInLoansOtherMember" xlink:type="locator" xlink:label="navi_AllowanceForCreditLossesAndRecordedInvestmentsInLoansOtherMember" />
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceForCreditLossesAndRecordedInvestmentsInLoansOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance for credit losses and recorded investments in loans other.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AllowanceForCreditLossesAndRecordedInvestmentsInLoansOtherMember" xlink:to="navi_AllowanceForCreditLossesAndRecordedInvestmentsInLoansOtherMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceForCreditLossesAndRecordedInvestmentsInLoansOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceForCreditLossesAndRecordedInvestmentsInLoansOtherMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Credit Losses And Recorded Investments In Loans Other [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Loan Losses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Roll Forward</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total provision</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract" xlink:type="locator" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charge-offs:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract" xlink:to="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Loan And Lease Losses Writeoffs Net [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NetAdjustmentFromChangeInChargeOffRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net adjustment resulting from the change in the charge-off rate</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NetAdjustmentFromChangeInChargeOffRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Adjustment From Change In Charge Off Rate</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceForLoanAndLeaseLossesWriteOffsNetRemaining_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net charge-offs remaining</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceForLoanAndLeaseLossesWriteOffsNetRemaining_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Loan And Lease Losses Write Offs Net Remaining</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNet" xlink:type="locator" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total charge-offs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNet" xlink:to="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Loan And Lease Losses Writeoffs Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableChangeInPresentValueExpenseReversal" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableChangeInPresentValueExpenseReversal" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableChangeInPresentValueExpenseReversal_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Decrease in expected future recoveries on charged-off loans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableChangeInPresentValueExpenseReversal" xlink:to="us-gaap_FinancingReceivableChangeInPresentValueExpenseReversal_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableChangeInPresentValueExpenseReversal_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Change In Present Value Expense Reversal</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesAdjustmentsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassification of interest reserve</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesAdjustmentsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Adjustments Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesLoansSold" xlink:type="locator" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesLoansSold" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesLoansSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loan sales and other transactions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForLoanAndLeaseLossesLoansSold" xlink:to="us-gaap_AllowanceForLoanAndLeaseLossesLoansSold_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesLoansSold_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Loan And Lease Losses Loans Sold</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ExpectedFutureRecoveriesOnChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Plus: expected future recoveries on charged-off loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ExpectedFutureRecoveriesOnChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Expected Future Recoveries On Charged Off Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesExcludingExpectedFutureRecoveriesOnChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance at end of period excluding expected future recoveries on charged-off loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesExcludingExpectedFutureRecoveriesOnChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Excluding Expected Future Recoveries On Charged Off Loans</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance Ending Balance:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossAdditionalInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Loss Additional Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Individually evaluated for impairment - TDR</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossCollectivelyEvaluatedForImpairmentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collectively evaluated for impairment:</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossCollectivelyEvaluatedForImpairmentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Loss Collectively Evaluated For Impairment [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Excluding Purchased Non-Credit Impaired Loans acquired at a discount and Purchased Credit Impaired Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Excluding Purchased Non Credit Impaired Loans Acquired At Discount And Purchased Credit Impaired Loans Collectively Evaluated For Impairment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Purchased Non-Credit Impaired Loans acquired at a discount</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Purchased Non Credit Impaired Loans Acquired At Discount Collectively Evaluated For Impairment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Purchased Credit Impaired Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Purchased Credit Impaired Loans Collectively Evaluated For Impairment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableLoansAdditionalInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Ending Balance:</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableLoansAdditionalInformationAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Loans Additional Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Individually evaluated for impairment - TDR</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment" xlink:to="us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Individually Evaluated For Impairment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableLoansCollectivelyEvaluatedForImpairmentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collectively evaluated for impairment:</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableLoansCollectivelyEvaluatedForImpairmentAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Loans Collectively Evaluated For Impairment [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Excluding Purchased Non-Credit Impaired Loans acquired at a discount and Purchased Credit Impaired Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableExcludingPurchasedNonCreditImpairedLoansAcquiredAtDiscountAndPurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Excluding Purchased Non Credit Impaired Loans Acquired At Discount And Purchased Credit Impaired Loans Collectively Evaluated For Impairment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablePurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Purchased Non-Credit Impaired Loans acquired at a discount</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablePurchasedNonCreditImpairedLoansAcquiredAtDiscountCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Purchased Non Credit Impaired Loans Acquired At Discount Collectively Evaluated For Impairment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablePurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Purchased Credit Impaired Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablePurchasedCreditImpairedLoansCollectivelyEvaluatedForImpairment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Purchased Credit Impaired Loans Collectively Evaluated For Impairment</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending total loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net charge-offs as a percentage of average loans in repayment, excluding the net adjustment resulting from the change in the charge-off rate</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Charge Offs As Percentage Of Average Loans In Repayment Excluding Net Adjustment Resulting From Change In Charge Off Rate</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net adjustment resulting from the change in charge-off rate as a percentage of average loans in repayment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Net Adjustment Resulting From Change In Charge Off Rate As Percentage Of Average Loans In Repayment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceCoverageOfChargeOffs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance coverage of charge-offs</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceCoverageOfChargeOffs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance Coverage Of Charge Offs</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceAsPercentageOfEndingLoanBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance as a percentage of the ending total loan balance</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceAsPercentageOfEndingLoanBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance As Percentage Of Ending Loan Balance</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceAsPercentageOfEndingLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance as a percentage of the ending loans in repayment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AllowanceAsPercentageOfEndingLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance As Percentage Of Ending Loans In Repayment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AverageBalanceOfLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average loans in repayment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AverageBalanceOfLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Average Balance Of Loans In Repayment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_EndingBalanceOfLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending loans in repayment</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_EndingBalanceOfLoansInRepayment_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Ending Balance Of Loans In Repayment</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PortionOfLoanAmountChargedOffAtDefault" xlink:type="locator" xlink:label="navi_PortionOfLoanAmountChargedOffAtDefault" />
    <link:label xml:lang="en-US" xlink:label="navi_PortionOfLoanAmountChargedOffAtDefault_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Portion of loan amount charged off at default.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PortionOfLoanAmountChargedOffAtDefault" xlink:to="navi_PortionOfLoanAmountChargedOffAtDefault_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PortionOfLoanAmountChargedOffAtDefault_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Portion of loan amount charged off at default</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PortionOfLoanAmountChargedOffAtDefault_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Portion Of Loan Amount Charged Off At Default</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults" xlink:type="locator" xlink:label="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the difference between the loan balance and the company&apos;s estimate of the amount to be collected in the future.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults" xlink:to="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ExpectedFutureRecoveriesOnChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning of period expected recoveries</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected future recoveries of current period defaults</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Expected Future Recoveries Of Current Period Defaults</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Recoveries</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Charge-offs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:to="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance For Credit Losses Write Offs</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ExpectedFutureRecoveriesOnChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">End of period expected recoveries</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableChangeInPresentValueExpenseReversal_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in balance during period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForLoanAndLeaseLossesLoansAcquired" xlink:type="locator" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesLoansAcquired" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesLoansAcquired_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for loans acquired</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForLoanAndLeaseLossesLoansAcquired" xlink:to="us-gaap_AllowanceForLoanAndLeaseLossesLoansAcquired_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesLoansAcquired_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Loan And Lease Losses Loans Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivableWithImputedInterestDiscount" xlink:type="locator" xlink:label="us-gaap_ReceivableWithImputedInterestDiscount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ReceivableWithImputedInterestDiscount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans receivable, discount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivableWithImputedInterestDiscount" xlink:to="us-gaap_ReceivableWithImputedInterestDiscount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ReceivableWithImputedInterestDiscount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Receivable With Imputed Interest Discount</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PercentageOfLoansGrantedForbearanceThatMigratedToTroubledDebtRestructuringClassification" xlink:type="locator" xlink:label="navi_PercentageOfLoansGrantedForbearanceThatMigratedToTroubledDebtRestructuringClassification" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfLoansGrantedForbearanceThatMigratedToTroubledDebtRestructuringClassification_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of loans granted forbearance that migrated to troubled debt restructuring classification.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PercentageOfLoansGrantedForbearanceThatMigratedToTroubledDebtRestructuringClassification" xlink:to="navi_PercentageOfLoansGrantedForbearanceThatMigratedToTroubledDebtRestructuringClassification_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoanRestructuringModificationAxis" xlink:type="locator" xlink:label="us-gaap_LoanRestructuringModificationAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LoanRestructuringModificationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Restructuring Modification</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoanRestructuringModificationAxis" xlink:to="us-gaap_LoanRestructuringModificationAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LoanRestructuringModificationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loan Restructuring Modification [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoanRestructuringModificationDomain" xlink:type="locator" xlink:label="us-gaap_LoanRestructuringModificationDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LoanRestructuringModificationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Restructuring Modification</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoanRestructuringModificationDomain" xlink:to="us-gaap_LoanRestructuringModificationDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LoanRestructuringModificationDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loan Restructuring Modification [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractualInterestRateReductionMember" xlink:type="locator" xlink:label="us-gaap_ContractualInterestRateReductionMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualInterestRateReductionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate Reduction [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractualInterestRateReductionMember" xlink:to="us-gaap_ContractualInterestRateReductionMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractualInterestRateReductionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Interest Rate Reduction [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Financing Receivable, Allowance for Credit Losses [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfLoansGrantedForbearanceThatMigratedToTroubledDebtRestructuringClassification_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of loans granted forbearance that migrated to TDR classification</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PercentageOfLoansGrantedForbearanceThatMigratedToTroubledDebtRestructuringClassification_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Loans Granted Forbearance That Migrated To Troubled Debt Restructuring Classification</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" xlink:type="locator" xlink:label="us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">TDR loans, Unpaid Principal Balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance" xlink:to="us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Impaired Financing Receivable Unpaid Principal Balance</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PaymentDefaultPeriodForTroubledDebtRestructurings" xlink:type="locator" xlink:label="navi_PaymentDefaultPeriodForTroubledDebtRestructurings" />
    <link:label xml:lang="en-US" xlink:label="navi_PaymentDefaultPeriodForTroubledDebtRestructurings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment default period for troubled debt restructurings.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PaymentDefaultPeriodForTroubledDebtRestructurings" xlink:to="navi_PaymentDefaultPeriodForTroubledDebtRestructurings_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PaymentDefaultPeriodForTroubledDebtRestructurings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment default period for TDRs</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PaymentDefaultPeriodForTroubledDebtRestructurings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Payment Default Period For Troubled Debt Restructurings</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Modified loans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2" xlink:to="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications Pre Modification Recorded Investment2</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown" xlink:type="locator" xlink:label="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charge-offs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown" xlink:to="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Impaired Troubled Debt Restructuring Write Down</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment default</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1" xlink:to="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications Subsequent Default Recorded Investment1</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LoansInRepaymentAndPercentageOfEachStatusAbstract" xlink:type="locator" xlink:label="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract" />
    <link:label xml:lang="en-US" xlink:label="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans In Repayment And Percentage Of Each Status [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract" xlink:to="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Financing Receivables Past Due [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:to="us-gaap_ScheduleOfFinancingReceivablesPastDueTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Financing Receivables Past Due [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InternalCreditAssessmentAxis" xlink:type="locator" xlink:label="us-gaap_InternalCreditAssessmentAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InternalCreditAssessmentAxis" xlink:to="us-gaap_InternalCreditAssessmentAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InternalCreditAssessmentDomain" xlink:type="locator" xlink:label="us-gaap_InternalCreditAssessmentDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InternalCreditAssessmentDomain" xlink:to="us-gaap_InternalCreditAssessmentDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SchoolGraceDefermentMember" xlink:type="locator" xlink:label="navi_SchoolGraceDefermentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SchoolGraceDefermentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">School/grace/deferment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SchoolGraceDefermentMember" xlink:to="navi_SchoolGraceDefermentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SchoolGraceDefermentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">School/Grace/Deferment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SchoolGraceDefermentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">School Grace Deferment [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ForbearanceMember" xlink:type="locator" xlink:label="navi_ForbearanceMember" />
    <link:label xml:lang="en-US" xlink:label="navi_ForbearanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Forbearance.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ForbearanceMember" xlink:to="navi_ForbearanceMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ForbearanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forbearance [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ForbearanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Forbearance [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_RepaymentMember" xlink:type="locator" xlink:label="navi_RepaymentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_RepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_RepaymentMember" xlink:to="navi_RepaymentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_RepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_RepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Repayment [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk By Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskTypeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_ConcentrationRiskTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditConcentrationRiskMember" xlink:type="locator" xlink:label="us-gaap_CreditConcentrationRiskMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CreditConcentrationRiskMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Concentration Risk [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditConcentrationRiskMember" xlink:to="us-gaap_CreditConcentrationRiskMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CreditConcentrationRiskMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Credit Concentration Risk [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivables31To60DaysPastDueMember" xlink:type="locator" xlink:label="navi_FinancingReceivables31To60DaysPastDueMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivables31To60DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are 31 to 60 days past due.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivables31To60DaysPastDueMember" xlink:to="navi_FinancingReceivables31To60DaysPastDueMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivables31To60DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, 31 to 60 Days Past Due [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivables31To60DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables31 To60 Days Past Due [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivables61To90DaysPastDueMember" xlink:type="locator" xlink:label="navi_FinancingReceivables61To90DaysPastDueMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivables61To90DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are 61 to 90 days past due.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivables61To90DaysPastDueMember" xlink:to="navi_FinancingReceivables61To90DaysPastDueMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivables61To90DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, 61 to 90 Days Past Due [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivables61To90DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables61 To90 Days Past Due [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivables90DaysPastDueMember" xlink:type="locator" xlink:label="navi_FinancingReceivables90DaysPastDueMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivables90DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are 90 days past due.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivables90DaysPastDueMember" xlink:to="navi_FinancingReceivables90DaysPastDueMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivables90DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, 90 Days Past Due [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivables90DaysPastDueMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables90 Days Past Due [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk By Benchmark [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Receivable [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableMember" xlink:to="us-gaap_AccountsReceivableMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivablesCurrentMember" xlink:type="locator" xlink:label="navi_FinancingReceivablesCurrentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesCurrentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are current.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivablesCurrentMember" xlink:to="navi_FinancingReceivablesCurrentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesCurrentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Current [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesCurrentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Current [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivablesLoansInRepaymentMember" xlink:type="locator" xlink:label="navi_FinancingReceivablesLoansInRepaymentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesLoansInRepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are loans in repayment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivablesLoansInRepaymentMember" xlink:to="navi_FinancingReceivablesLoansInRepaymentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesLoansInRepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Loans In Repayment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesLoansInRepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Loans In Repayment [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivablesDelinquentLoansInRepaymentMember" xlink:type="locator" xlink:label="navi_FinancingReceivablesDelinquentLoansInRepaymentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesDelinquentLoansInRepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are delinquent.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivablesDelinquentLoansInRepaymentMember" xlink:to="navi_FinancingReceivablesDelinquentLoansInRepaymentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesDelinquentLoansInRepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Delinquent Loans in Repayment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesDelinquentLoansInRepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Delinquent Loans In Repayment [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivablesForbearanceLoansInRepaymentMember" xlink:type="locator" xlink:label="navi_FinancingReceivablesForbearanceLoansInRepaymentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesForbearanceLoansInRepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are in forbearance.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivablesForbearanceLoansInRepaymentMember" xlink:to="navi_FinancingReceivablesForbearanceLoansInRepaymentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesForbearanceLoansInRepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Forbearance, Loans In Repayment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivablesForbearanceLoansInRepaymentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Forbearance Loans In Repayment [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PrivateEducationLoansTroubledDebtRestructuringMember" xlink:type="locator" xlink:label="navi_PrivateEducationLoansTroubledDebtRestructuringMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansTroubledDebtRestructuringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loans troubled debt restructuring.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrivateEducationLoansTroubledDebtRestructuringMember" xlink:to="navi_PrivateEducationLoansTroubledDebtRestructuringMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansTroubledDebtRestructuringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loans - TDRs [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansTroubledDebtRestructuringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loans Troubled Debt Restructuring [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PrivateEducationLoansNonTroubledDebtRestructuringMember" xlink:type="locator" xlink:label="navi_PrivateEducationLoansNonTroubledDebtRestructuringMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansNonTroubledDebtRestructuringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loans non troubled debt restructuring.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrivateEducationLoansNonTroubledDebtRestructuringMember" xlink:to="navi_PrivateEducationLoansNonTroubledDebtRestructuringMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansNonTroubledDebtRestructuringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loans - Non-TDRs [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansNonTroubledDebtRestructuringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loans Non Troubled Debt Restructuring [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Recorded Investment Past Due [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment Past Due [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans in repayment and percentage of each status:</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans In Repayment And Percentage Of Each Status [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentCurrent" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans delinquent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableRecordedInvestmentPastDue" xlink:to="us-gaap_FinancingReceivableRecordedInvestmentPastDue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Recorded Investment Past Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Loans, gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee" xlink:to="us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Before Allowance For Credit Loss And Fee</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans unamortized premium (discount)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount" xlink:to="us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableForPartiallyChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans receivable for partially charged-off loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableForPartiallyChargedOffLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable For Partially Charged Off Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loan allowance for losses</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loans, net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:type="locator" xlink:label="us-gaap_ConcentrationRiskPercentage1" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dimensions of concentration risk</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskPercentage1" xlink:to="us-gaap_ConcentrationRiskPercentage1_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Percentage1</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivablePercentPastDue1" xlink:type="locator" xlink:label="us-gaap_FinancingReceivablePercentPastDue1" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablePercentPastDue1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans delinquent, percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivablePercentPastDue1" xlink:to="us-gaap_FinancingReceivablePercentPastDue1_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivablePercentPastDue1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Percent Past Due1</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loans premium (discount)</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount" xlink:type="locator" xlink:label="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount" />
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable before allowance for credit loss and fee change amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount" xlink:to="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_RehabLoansMember" xlink:type="locator" xlink:label="navi_RehabLoansMember" />
    <link:label xml:lang="en-US" xlink:label="navi_RehabLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Rehab loans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_RehabLoansMember" xlink:to="navi_RehabLoansMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_RehabLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rehab Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_RehabLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Rehab Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel">Total loans, gross</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Before Allowance For Credit Loss And Fee Change Amount</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_NotesReceivableGrossPercentageOfBalance" xlink:type="locator" xlink:label="navi_NotesReceivableGrossPercentageOfBalance" />
    <link:label xml:lang="en-US" xlink:label="navi_NotesReceivableGrossPercentageOfBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Notes receivable gross percentage of balance.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_NotesReceivableGrossPercentageOfBalance" xlink:to="navi_NotesReceivableGrossPercentageOfBalance_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_FicoMember" xlink:type="locator" xlink:label="navi_FicoMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FicoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fico.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FicoMember" xlink:to="navi_FicoMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FicoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FICO Scores [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FicoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fico [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LoanStatusMember" xlink:type="locator" xlink:label="navi_LoanStatusMember" />
    <link:label xml:lang="en-US" xlink:label="navi_LoanStatusMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan status.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LoanStatusMember" xlink:to="navi_LoanStatusMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_LoanStatusMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Status [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoanStatusMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loan Status [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SchoolTypeMember" xlink:type="locator" xlink:label="navi_SchoolTypeMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SchoolTypeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">School type.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SchoolTypeMember" xlink:to="navi_SchoolTypeMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SchoolTypeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">School Type [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SchoolTypeMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">School Type [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PrivateEducationLoansTroubledDebtRestructuringStatusMember" xlink:type="locator" xlink:label="navi_PrivateEducationLoansTroubledDebtRestructuringStatusMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansTroubledDebtRestructuringStatusMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loans troubled debt restructuring status.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrivateEducationLoansTroubledDebtRestructuringStatusMember" xlink:to="navi_PrivateEducationLoansTroubledDebtRestructuringStatusMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansTroubledDebtRestructuringStatusMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loans Troubled Debt Restructuring Status</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansTroubledDebtRestructuringStatusMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loans Troubled Debt Restructuring Status [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_CosignersMember" xlink:type="locator" xlink:label="navi_CosignersMember" />
    <link:label xml:lang="en-US" xlink:label="navi_CosignersMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cosigners.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CosignersMember" xlink:to="navi_CosignersMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_CosignersMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cosigners [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CosignersMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cosigners [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_RepaymentsMember" xlink:type="locator" xlink:label="navi_RepaymentsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_RepaymentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_RepaymentsMember" xlink:to="navi_RepaymentsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_RepaymentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Seasoning [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_RepaymentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Repayments [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SixFourZeroAndAboveMember" xlink:type="locator" xlink:label="navi_SixFourZeroAndAboveMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SixFourZeroAndAboveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fico six four zero and above.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SixFourZeroAndAboveMember" xlink:to="navi_SixFourZeroAndAboveMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SixFourZeroAndAboveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">640 and Above [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SixFourZeroAndAboveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Six Four Zero And Above [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_BelowSixFourZeroMember" xlink:type="locator" xlink:label="navi_BelowSixFourZeroMember" />
    <link:label xml:lang="en-US" xlink:label="navi_BelowSixFourZeroMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Below six four zero.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_BelowSixFourZeroMember" xlink:to="navi_BelowSixFourZeroMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_BelowSixFourZeroMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Below 640 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_BelowSixFourZeroMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Below Six Four Zero [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SchoolOrGraceOrDefermentOrForbearanceMember" xlink:type="locator" xlink:label="navi_SchoolOrGraceOrDefermentOrForbearanceMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SchoolOrGraceOrDefermentOrForbearanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">School or grace or deferment or forbearance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SchoolOrGraceOrDefermentOrForbearanceMember" xlink:to="navi_SchoolOrGraceOrDefermentOrForbearanceMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SchoolOrGraceOrDefermentOrForbearanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">School/Grace/Deferment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SchoolOrGraceOrDefermentOrForbearanceMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">School Or Grace Or Deferment Or Forbearance [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember" xlink:type="locator" xlink:label="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan status current or Ninety Days or less delinquent.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember" xlink:to="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current/90 Days or Less Delinquent [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loan Status Current Or Ninety Days Or Less Delinquent [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_NotForProfitMember" xlink:type="locator" xlink:label="navi_NotForProfitMember" />
    <link:label xml:lang="en-US" xlink:label="navi_NotForProfitMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Not for profit.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_NotForProfitMember" xlink:to="navi_NotForProfitMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_NotForProfitMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Not For Profit [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NotForProfitMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Not For Profit [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LoanStatusGreaterThanNinetyDaysDelinquentMember" xlink:type="locator" xlink:label="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan status greater than Ninety Days delinquent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember" xlink:to="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Greater than 90 days Delinquent [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loan Status Greater Than Ninety Days Delinquent [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ForProfitMember" xlink:type="locator" xlink:label="navi_ForProfitMember" />
    <link:label xml:lang="en-US" xlink:label="navi_ForProfitMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">For profit.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ForProfitMember" xlink:to="navi_ForProfitMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ForProfitMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">For Profit [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ForProfitMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">For Profit [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_CosignerLoanMember" xlink:type="locator" xlink:label="navi_CosignerLoanMember" />
    <link:label xml:lang="en-US" xlink:label="navi_CosignerLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Cosigner loan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CosignerLoanMember" xlink:to="navi_CosignerLoanMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_CosignerLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With Cosigner [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CosignerLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cosigner Loan [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_NonCosignerLoanMember" xlink:type="locator" xlink:label="navi_NonCosignerLoanMember" />
    <link:label xml:lang="en-US" xlink:label="navi_NonCosignerLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Non cosigner loan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_NonCosignerLoanMember" xlink:to="navi_NonCosignerLoanMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_NonCosignerLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Without Cosigner [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NonCosignerLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Non Cosigner Loan [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SeasoningOneThruTwelveMember" xlink:type="locator" xlink:label="navi_SeasoningOneThruTwelveMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningOneThruTwelveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning one thru twelve.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SeasoningOneThruTwelveMember" xlink:to="navi_SeasoningOneThruTwelveMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningOneThruTwelveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1-12 Payments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningOneThruTwelveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning One Thru Twelve [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SeasoningThirteenThruTwentyFourMember" xlink:type="locator" xlink:label="navi_SeasoningThirteenThruTwentyFourMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningThirteenThruTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning thirteen thru twenty four.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SeasoningThirteenThruTwentyFourMember" xlink:to="navi_SeasoningThirteenThruTwentyFourMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningThirteenThruTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">13-24 Payments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningThirteenThruTwentyFourMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning Thirteen Thru Twenty Four [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SeasoningTwentyFiveThruThirtySixMember" xlink:type="locator" xlink:label="navi_SeasoningTwentyFiveThruThirtySixMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningTwentyFiveThruThirtySixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning twenty five thru thirty six.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SeasoningTwentyFiveThruThirtySixMember" xlink:to="navi_SeasoningTwentyFiveThruThirtySixMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningTwentyFiveThruThirtySixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">25-36 Payments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningTwentyFiveThruThirtySixMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning Twenty Five Thru Thirty Six [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SeasoningThirtySevenThruFortyEightMember" xlink:type="locator" xlink:label="navi_SeasoningThirtySevenThruFortyEightMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningThirtySevenThruFortyEightMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning thirty seven thru forty eight.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SeasoningThirtySevenThruFortyEightMember" xlink:to="navi_SeasoningThirtySevenThruFortyEightMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningThirtySevenThruFortyEightMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">37-48 Payments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningThirtySevenThruFortyEightMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning Thirty Seven Thru Forty Eight [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SeasoningMoreThanFortyEightMember" xlink:type="locator" xlink:label="navi_SeasoningMoreThanFortyEightMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningMoreThanFortyEightMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning more than forty eight.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SeasoningMoreThanFortyEightMember" xlink:to="navi_SeasoningMoreThanFortyEightMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningMoreThanFortyEightMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">More than 48 Payments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SeasoningMoreThanFortyEightMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning More Than Forty Eight [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansTroubledDebtRestructuringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">TDR [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansNonTroubledDebtRestructuringMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Non-TDR [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Private Education Loans [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_OriginalWinningFicoMember" xlink:type="locator" xlink:label="navi_OriginalWinningFicoMember" />
    <link:label xml:lang="en-US" xlink:label="navi_OriginalWinningFicoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Original Winning Fico.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OriginalWinningFicoMember" xlink:to="navi_OriginalWinningFicoMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_OriginalWinningFicoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Original Winning FICO Scores [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OriginalWinningFicoMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Original Winning Fico [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FicoSixFourZeroAndAboveMember" xlink:type="locator" xlink:label="navi_FicoSixFourZeroAndAboveMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FicoSixFourZeroAndAboveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fico six four zero and above.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FicoSixFourZeroAndAboveMember" xlink:to="navi_FicoSixFourZeroAndAboveMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FicoSixFourZeroAndAboveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FICO 640 and Above [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FicoSixFourZeroAndAboveMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fico Six Four Zero And Above [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FicoBelowSixFourZeroMember" xlink:type="locator" xlink:label="navi_FicoBelowSixFourZeroMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FicoBelowSixFourZeroMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fico below six four zero.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FicoBelowSixFourZeroMember" xlink:to="navi_FicoBelowSixFourZeroMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FicoBelowSixFourZeroMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FICO Below 640 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FicoBelowSixFourZeroMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fico Below Six Four Zero [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year 2020</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear" xlink:to="us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Originated In Current Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year 2019</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear" xlink:to="us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year 2018</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear" xlink:to="us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Originated Two Years Before Latest Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year 2017</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear" xlink:to="us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Originated Three Years Before Latest Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year 2016</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear" xlink:to="us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Originated Four Years Before Latest Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear" xlink:type="locator" xlink:label="us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year Prior</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear" xlink:to="us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Originated Five Or More Years Before Latest Fiscal Year</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NotesReceivableGrossPercentageOfBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year, Percent</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_NotesReceivableGrossPercentageOfBalance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Notes Receivable Gross Percentage Of Balance</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LoansAndLeasesReceivableGrossCarryingAmountPercent" xlink:type="locator" xlink:label="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent" />
    <link:label xml:lang="en-US" xlink:label="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans and leases receivable gross carrying amount percent.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent" xlink:to="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Private Education Loan Credit Quality Indicators, Excluding Refinance Loans, Percent</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Gross Carrying Amount Percent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:type="locator" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill And Intangible Assets Disclosure [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfGoodwillTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfGoodwillTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Goodwill [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfGoodwillTable" xlink:to="us-gaap_ScheduleOfGoodwillTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfGoodwillTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Goodwill [Table]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ConsumerLendingSegmentMember" xlink:type="locator" xlink:label="navi_ConsumerLendingSegmentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_ConsumerLendingSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer lending segment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ConsumerLendingSegmentMember" xlink:to="navi_ConsumerLendingSegmentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ConsumerLendingSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer Lending Segment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ConsumerLendingSegmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Lending Segment [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductOrServiceAxis" xlink:type="locator" xlink:label="srt_ProductOrServiceAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Product Or Service [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain" xlink:type="locator" xlink:label="srt_ProductsAndServicesDomain" />
    <link:label xml:lang="en-US" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductsAndServicesDomain" xlink:to="srt_ProductsAndServicesDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Products And Services [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FFELPLoansMember" xlink:type="locator" xlink:label="navi_FFELPLoansMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">FFELP loans member.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FFELPLoansMember" xlink:to="navi_FFELPLoansMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FFELP Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoansMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">F F E L P Loans [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FederalEducationLoanServicingMember" xlink:type="locator" xlink:label="navi_FederalEducationLoanServicingMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FederalEducationLoanServicingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal education loan servicing.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FederalEducationLoanServicingMember" xlink:to="navi_FederalEducationLoanServicingMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FederalEducationLoanServicingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Education Loan Servicing [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FederalEducationLoanServicingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Education Loan Servicing [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PrivateEducationRefinanceLoanMember" xlink:type="locator" xlink:label="navi_PrivateEducationRefinanceLoanMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationRefinanceLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education refinance loan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrivateEducationRefinanceLoanMember" xlink:to="navi_PrivateEducationRefinanceLoanMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationRefinanceLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Refinance Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationRefinanceLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Refinance Loan [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_GovernmentServicesMember" xlink:type="locator" xlink:label="navi_GovernmentServicesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_GovernmentServicesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Government services.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_GovernmentServicesMember" xlink:to="navi_GovernmentServicesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_GovernmentServicesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Government Services [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_GovernmentServicesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Government Services [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_HealthcareServicesMember" xlink:type="locator" xlink:label="navi_HealthcareServicesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_HealthcareServicesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Healthcare services.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_HealthcareServicesMember" xlink:to="navi_HealthcareServicesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_HealthcareServicesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Healthcare Services [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_HealthcareServicesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Healthcare Services [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillLineItems" xlink:type="locator" xlink:label="us-gaap_GoodwillLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_GoodwillLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill" xlink:type="locator" xlink:label="us-gaap_Goodwill" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Goodwill_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Goodwill" xlink:to="us-gaap_Goodwill_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_Goodwill_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Acquired Finite Lived Intangible Asset By Major Class [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:to="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Acquired Finite Lived Intangible Asset By Major Class [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-Lived Intangible Assets by Major Class</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets By Major Class [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-Lived Intangible Assets, Major Class Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Major Class Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:type="locator" xlink:label="us-gaap_CustomerRelationshipsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer, Services and Lending Relationships [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerRelationshipsMember" xlink:to="us-gaap_CustomerRelationshipsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Customer Relationships [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SoftwareTechnologyMember" xlink:type="locator" xlink:label="navi_SoftwareTechnologyMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SoftwareTechnologyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Software technology.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SoftwareTechnologyMember" xlink:to="navi_SoftwareTechnologyMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SoftwareTechnologyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software and Technology [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SoftwareTechnologyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Software Technology [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TrademarksAndTradeNamesMember" xlink:type="locator" xlink:label="us-gaap_TrademarksAndTradeNamesMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TrademarksAndTradeNamesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trade Names and Trademarks [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TrademarksAndTradeNamesMember" xlink:to="us-gaap_TrademarksAndTradeNamesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TrademarksAndTradeNamesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Trademarks And Trade Names [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:type="locator" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired Finite Lived Intangible Assets [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Acquired Finite Lived Intangible Assets [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Intangible assets subject to amortization, Cost Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Intangible assets subject to amortization, Accumulated Impairment and Amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Accumulated Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Intangible assets subject to amortization, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:type="locator" xlink:label="us-gaap_AmortizationOfIntangibleAssets" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of acquired intangible assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfIntangibleAssets" xlink:to="us-gaap_AmortizationOfIntangibleAssets_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amortization Of Intangible Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:type="locator" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">After 2024</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Assets Amortization Expense Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Table]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuritiesFinancingTransactionAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuritiesFinancingTransactionAxis" xlink:to="us-gaap_SecuritiesFinancingTransactionAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuritiesFinancingTransactionAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction [Axis]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuritiesFinancingTransactionTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuritiesFinancingTransactionTypeDomain" xlink:to="us-gaap_SecuritiesFinancingTransactionTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuritiesFinancingTransactionTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction Type [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_BeforeHedgeAccountingAdjustmentsMember" xlink:type="locator" xlink:label="navi_BeforeHedgeAccountingAdjustmentsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_BeforeHedgeAccountingAdjustmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Before hedge accounting adjustments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_BeforeHedgeAccountingAdjustmentsMember" xlink:to="navi_BeforeHedgeAccountingAdjustmentsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_BeforeHedgeAccountingAdjustmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Before Hedge Accounting Adjustments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_BeforeHedgeAccountingAdjustmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Before Hedge Accounting Adjustments [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_HedgeAccountingAdjustmentsMember" xlink:type="locator" xlink:label="navi_HedgeAccountingAdjustmentsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_HedgeAccountingAdjustmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Hedge accounting adjustments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_HedgeAccountingAdjustmentsMember" xlink:to="navi_HedgeAccountingAdjustmentsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_HedgeAccountingAdjustmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hedge Accounting Adjustments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_HedgeAccountingAdjustmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Hedge Accounting Adjustments [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentNameDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_DebtInstrumentNameDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Name [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SeniorUnsecuredDebtMember" xlink:type="locator" xlink:label="navi_SeniorUnsecuredDebtMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SeniorUnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior unsecured debt.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SeniorUnsecuredDebtMember" xlink:to="navi_SeniorUnsecuredDebtMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SeniorUnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Unsecured Debt [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SeniorUnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Senior Unsecured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:type="locator" xlink:label="us-gaap_UnsecuredDebtMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Unsecured Borrowings [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnsecuredDebtMember" xlink:to="us-gaap_UnsecuredDebtMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Debt [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FFELPLoanSecuritizationsMember" xlink:type="locator" xlink:label="navi_FFELPLoanSecuritizationsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanSecuritizationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">FFELP loan securitizations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FFELPLoanSecuritizationsMember" xlink:to="navi_FFELPLoanSecuritizationsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanSecuritizationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FFELP Loan Securitizations [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanSecuritizationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">F F E L P Loan Securitizations [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PrivateEducationLoanSecuritizationsMember" xlink:type="locator" xlink:label="navi_PrivateEducationLoanSecuritizationsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanSecuritizationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loan securitizations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrivateEducationLoanSecuritizationsMember" xlink:to="navi_PrivateEducationLoanSecuritizationsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanSecuritizationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loan Securitizations [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanSecuritizationsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loan Securitizations [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FFELPLoanABCPFacilitiesMember" xlink:type="locator" xlink:label="navi_FFELPLoanABCPFacilitiesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanABCPFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">FFELP loan ABCP facilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FFELPLoanABCPFacilitiesMember" xlink:to="navi_FFELPLoanABCPFacilitiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanABCPFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FFELP Loan ABCP Facilities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanABCPFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">F F E L P Loan A B C P Facilities [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PrivateEducationLoanABCPFacilitiesMember" xlink:type="locator" xlink:label="navi_PrivateEducationLoanABCPFacilitiesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanABCPFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loan ABCP facilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrivateEducationLoanABCPFacilitiesMember" xlink:to="navi_PrivateEducationLoanABCPFacilitiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanABCPFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loan ABCP Facilities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanABCPFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loan A B C P Facilities [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_OtherBorrowingsMember" xlink:type="locator" xlink:label="navi_OtherBorrowingsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_OtherBorrowingsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Other borrowings.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OtherBorrowingsMember" xlink:to="navi_OtherBorrowingsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_OtherBorrowingsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OtherBorrowingsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Borrowings [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SecuredDebtMember" xlink:type="locator" xlink:label="us-gaap_SecuredDebtMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Secured Borrowings [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuredDebtMember" xlink:to="us-gaap_SecuredDebtMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Secured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:type="locator" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Weighted Average Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:to="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Weighted Average Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtWeightedAverageInterestRate" xlink:type="locator" xlink:label="us-gaap_LongtermDebtWeightedAverageInterestRate" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtWeightedAverageInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Weighted Average Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtWeightedAverageInterestRate" xlink:to="us-gaap_LongtermDebtWeightedAverageInterestRate_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtWeightedAverageInterestRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Longterm Debt Weighted Average Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtLongtermAndShorttermCombinedAmount" xlink:type="locator" xlink:label="us-gaap_DebtLongtermAndShorttermCombinedAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtLongtermAndShorttermCombinedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtLongtermAndShorttermCombinedAmount" xlink:to="us-gaap_DebtLongtermAndShorttermCombinedAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtLongtermAndShorttermCombinedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Longterm And Shortterm Combined Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:type="locator" xlink:label="us-gaap_LongtermDebtTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Longterm Debt Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:type="locator" xlink:label="us-gaap_LongtermDebtTypeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_LongtermDebtTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Longterm Debt Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long Term Senior Unsecured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:type="locator" xlink:label="us-gaap_ShortTermDebtTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Debt, Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeAxis" xlink:to="us-gaap_ShortTermDebtTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:type="locator" xlink:label="us-gaap_ShortTermDebtTypeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term Debt, Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeDomain" xlink:to="us-gaap_ShortTermDebtTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt Type [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ShortTermUnsecuredDebtMember" xlink:type="locator" xlink:label="navi_ShortTermUnsecuredDebtMember" />
    <link:label xml:lang="en-US" xlink:label="navi_ShortTermUnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term unsecured debt.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ShortTermUnsecuredDebtMember" xlink:to="navi_ShortTermUnsecuredDebtMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ShortTermUnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short Term Senior Unsecured Debt [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ShortTermUnsecuredDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Unsecured Debt [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember" xlink:type="locator" xlink:label="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">FFELP loan asset-backed securitizations repurchase facilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember" xlink:to="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">FFELP Loan Asset-backed Securitization Repurchase Facilities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">F F E L P Loan Asset Backed Securitizations Repurchase Facilities [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ForeignCurrencyDollerDenominatedDebtMember" xlink:type="locator" xlink:label="navi_ForeignCurrencyDollerDenominatedDebtMember" />
    <link:label xml:lang="en-US" xlink:label="navi_ForeignCurrencyDollerDenominatedDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Foreign currency Doller denominated debt.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ForeignCurrencyDollerDenominatedDebtMember" xlink:to="navi_ForeignCurrencyDollerDenominatedDebtMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ForeignCurrencyDollerDenominatedDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-U.S. Doller Denominated Debt [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ForeignCurrencyDollerDenominatedDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Doller Denominated Debt [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember" xlink:type="locator" xlink:label="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loan securitizations repurchase facility.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember" xlink:to="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loan Asset-backed Securitization Repurchase Facilities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loan Securitizations Repurchase Facility [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FloatingInterestRateDebtMember" xlink:type="locator" xlink:label="navi_FloatingInterestRateDebtMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FloatingInterestRateDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Floating interest rate debt.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FloatingInterestRateDebtMember" xlink:to="navi_FloatingInterestRateDebtMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FloatingInterestRateDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long-Term Floating Rate Debt [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FloatingInterestRateDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Floating Interest Rate Debt [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FixedInterestRateDebtMember" xlink:type="locator" xlink:label="navi_FixedInterestRateDebtMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FixedInterestRateDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fixed interest rate debt.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FixedInterestRateDebtMember" xlink:to="navi_FixedInterestRateDebtMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FixedInterestRateDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long-Term Fixed Rate Debt [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FixedInterestRateDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Interest Rate Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentFaceAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt principal amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Face Amount</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term Debt</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long-term debt</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LongTermDebtMaturities" xlink:type="locator" xlink:label="navi_LongTermDebtMaturities" />
    <link:label xml:lang="en-US" xlink:label="navi_LongTermDebtMaturities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Total amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year through after the fifth fiscal year following the latest fiscal year.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LongTermDebtMaturities" xlink:to="navi_LongTermDebtMaturities_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_AscEightOneFiveFairValueAdjustments" xlink:type="locator" xlink:label="navi_AscEightOneFiveFairValueAdjustments" />
    <link:label xml:lang="en-US" xlink:label="navi_AscEightOneFiveFairValueAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">ASC 815 - Derivatives and Hedging fair value adjustments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AscEightOneFiveFairValueAdjustments" xlink:to="navi_AscEightOneFiveFairValueAdjustments_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:type="locator" xlink:label="us-gaap_InvestmentTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:type="locator" xlink:label="us-gaap_InvestmentTypeCategorizationMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="us-gaap_InvestmentTypeCategorizationMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type Categorization [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FixedMaturitiesMember" xlink:type="locator" xlink:label="us-gaap_FixedMaturitiesMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FixedMaturitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed Maturities [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FixedMaturitiesMember" xlink:to="us-gaap_FixedMaturitiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FixedMaturitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Maturities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2021</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Maturities Repayments Of Principal In Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Maturities Repayments Of Principal In Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Maturities Repayments Of Principal In Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Maturities Repayments Of Principal In Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Maturities Repayments Of Principal In Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:type="locator" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026-2043</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Maturities Repayments Of Principal After Year Five</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LongTermDebtMaturities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long term debt maturities total</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_LongTermDebtMaturities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt Maturities</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AscEightOneFiveFairValueAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hedge accounting adjustments</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AscEightOneFiveFairValueAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Asc Eight One Five Fair Value Adjustments</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_OnBalanceSheetSecuritizationTrustDebtIncludedInProjectedPrincipalPaydowns" xlink:type="locator" xlink:label="navi_OnBalanceSheetSecuritizationTrustDebtIncludedInProjectedPrincipalPaydowns" />
    <link:label xml:lang="en-US" xlink:label="navi_OnBalanceSheetSecuritizationTrustDebtIncludedInProjectedPrincipalPaydowns_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">On-balance sheet securitization trust debt included in projected principal paydowns in following year.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OnBalanceSheetSecuritizationTrustDebtIncludedInProjectedPrincipalPaydowns" xlink:to="navi_OnBalanceSheetSecuritizationTrustDebtIncludedInProjectedPrincipalPaydowns_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_OnBalanceSheetSecuritizationTrustDebtIncludedInProjectedPrincipalPaydowns_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">On-balance sheet securitization trust debt included in projected principal paydowns in 2021</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OnBalanceSheetSecuritizationTrustDebtIncludedInProjectedPrincipalPaydowns_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">On Balance Sheet Securitization Trust Debt Included In Projected Principal Paydowns</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate principal amount of debt maturing in 2021</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate principal amount of debt maturing in 2022</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate principal amount of debt maturing in 2023</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate principal amount of debt maturing in 2024</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate principal amount of debt maturing in 2025</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate principal amount of debt maturing in 2026-2043</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SecuritiesFinancingTransactionTable" xlink:type="locator" xlink:label="us-gaap_SecuritiesFinancingTransactionTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuritiesFinancingTransactionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuritiesFinancingTransactionTable" xlink:to="us-gaap_SecuritiesFinancingTransactionTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuritiesFinancingTransactionTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SecuritiesFinancingTransactionLineItems" xlink:type="locator" xlink:label="us-gaap_SecuritiesFinancingTransactionLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuritiesFinancingTransactionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuritiesFinancingTransactionLineItems" xlink:to="us-gaap_SecuritiesFinancingTransactionLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SecuritiesFinancingTransactionLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_RestrictedCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_InterestReceivableAndPayableAndOtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other assets, Net</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_DebtInstrumentMaturitiesMonthYear" xlink:type="locator" xlink:label="navi_DebtInstrumentMaturitiesMonthYear" />
    <link:label xml:lang="en-US" xlink:label="navi_DebtInstrumentMaturitiesMonthYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument maturities month year.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_DebtInstrumentMaturitiesMonthYear" xlink:to="navi_DebtInstrumentMaturitiesMonthYear_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_UnencumberedLoans" xlink:type="locator" xlink:label="navi_UnencumberedLoans" />
    <link:label xml:lang="en-US" xlink:label="navi_UnencumberedLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Total unencumbered loans at the balance sheet date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_UnencumberedLoans" xlink:to="navi_UnencumberedLoans_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FFELP Loan</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PrivateEducationLoanRepurchaseFacilitiesMember" xlink:type="locator" xlink:label="navi_PrivateEducationLoanRepurchaseFacilitiesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanRepurchaseFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loan repurchase facilities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrivateEducationLoanRepurchaseFacilitiesMember" xlink:to="navi_PrivateEducationLoanRepurchaseFacilitiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanRepurchaseFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loan Repurchase Facilities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrivateEducationLoanRepurchaseFacilitiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loan Repurchase Facilities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DebtInstrumentMaturitiesMonthYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Facility maturity date</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DebtInstrumentMaturitiesMonthYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Maturities Month Year</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtLongtermAndShorttermCombinedAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel">Outstanding borrowings under facility</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentCollateralAmount" xlink:type="locator" xlink:label="us-gaap_DebtInstrumentCollateralAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentCollateralAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets securing facility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCollateralAmount" xlink:to="us-gaap_DebtInstrumentCollateralAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentCollateralAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Collateral Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:type="locator" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum unused capacity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility Remaining Borrowing Capacity</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_UnencumberedLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unencumbered Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_UnencumberedLoans_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unencumbered Loans</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount of asset-backed securitization repurchase facility</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnsecuredDebt" xlink:type="locator" xlink:label="us-gaap_UnsecuredDebt" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnsecuredDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of unsecured debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnsecuredDebt" xlink:to="us-gaap_UnsecuredDebt_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnsecuredDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount" xlink:type="locator" xlink:label="us-gaap_ExtinguishmentOfDebtAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt principal repurchased</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtAmount" xlink:to="us-gaap_ExtinguishmentOfDebtAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment Of Debt Amount</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnRepurchaseOfDebtInstrument_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gains (losses) on debt repurchases</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:type="locator" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:to="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:type="locator" xlink:label="us-gaap_DerivativeInstrumentRiskAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Instrument</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentRiskAxis" xlink:to="us-gaap_DerivativeInstrumentRiskAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instrument Risk [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:type="locator" xlink:label="us-gaap_DerivativeContractTypeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Contract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_DerivativeContractTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Contract Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:type="locator" xlink:label="us-gaap_InterestRateSwapMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate Swaps [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateSwapMember" xlink:to="us-gaap_InterestRateSwapMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate Swap [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CounterpartyNameAxis" xlink:type="locator" xlink:label="srt_CounterpartyNameAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CounterpartyNameAxis" xlink:to="srt_CounterpartyNameAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:type="locator" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain" />
    <link:label xml:lang="en-US" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RepurchaseAgreementCounterpartyNameDomain" xlink:to="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Repurchase Agreement Counterparty Name [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_CounterPartyMember" xlink:type="locator" xlink:label="navi_CounterPartyMember" />
    <link:label xml:lang="en-US" xlink:label="navi_CounterPartyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Counter party.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CounterPartyMember" xlink:to="navi_CounterPartyMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_CounterPartyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CounterPartyMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Counter Party [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:type="locator" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Instruments, Gain (Loss) [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:to="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments Gain Loss [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet" xlink:type="locator" xlink:label="us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net positive exposure related to corporate derivatives</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet" xlink:to="us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Fair Value Amount Offset Against Collateral Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure" xlink:type="locator" xlink:label="us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Euro and British Pound Sterling denominated bonds outstanding in securitization trusts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure" xlink:to="us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Contracts Liability Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeNotionalAmount" xlink:type="locator" xlink:label="us-gaap_DerivativeNotionalAmount" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notional of interest rate swaps entered into by the trusts to swap Prime to LIBOR</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeNotionalAmount" xlink:to="us-gaap_DerivativeNotionalAmount_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Notional Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet" xlink:type="locator" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net positive exposure on foreign currency swaps</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet" xlink:to="us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Fair Value Hedge Derivative At Fair Value Net</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PercentOfExposureToCounterpartiesWithCreditRatingsBelowSPAAOrMoodyAa3" xlink:type="locator" xlink:label="navi_PercentOfExposureToCounterpartiesWithCreditRatingsBelowSPAAOrMoodyAa3" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentOfExposureToCounterpartiesWithCreditRatingsBelowSPAAOrMoodyAa3_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percent Of Exposure To Counterparties With Credit Ratings Below S&amp;P AA Or Moody Aa3.</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_PercentOfExposureToCounterpartiesWithCreditRatingsBelowSPAOrMoodyA3" xlink:type="locator" xlink:label="navi_PercentOfExposureToCounterpartiesWithCreditRatingsBelowSPAOrMoodyA3" />
    <link:label xml:lang="en-US" xlink:label="navi_PercentOfExposureToCounterpartiesWithCreditRatingsBelowSPAOrMoodyA3_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Percent Of Exposure To Counterparties With Credit Ratings Below S&amp;P A Or Moody A3.</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_CorporateContractsMember" xlink:type="locator" xlink:label="navi_CorporateContractsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_CorporateContractsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Corporate Contracts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CorporateContractsMember" xlink:to="navi_CorporateContractsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_CorporateContractsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Corporate Contracts [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CorporateContractsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Corporate Contracts [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SecuritizationTrustContractsMember" xlink:type="locator" xlink:label="navi_SecuritizationTrustContractsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_SecuritizationTrustContractsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Securitization Trust Contracts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SecuritizationTrustContractsMember" xlink:to="navi_SecuritizationTrustContractsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_SecuritizationTrustContractsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securitization Trust Contracts [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SecuritizationTrustContractsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securitization Trust Contracts [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeCostOfHedgeNetOfCashReceived" xlink:type="locator" xlink:label="us-gaap_DerivativeCostOfHedgeNetOfCashReceived" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeCostOfHedgeNetOfCashReceived_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exposure, net of collateral</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral" xlink:type="locator" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral" xlink:to="us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink:type="locator" xlink:label="us-gaap_DerivativeLiabilityFairValueGrossAsset" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilityFairValueGrossAsset" xlink:to="us-gaap_DerivativeLiabilityFairValueGrossAsset_lbl" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeCollateralRightToReclaimCash" xlink:type="locator" xlink:label="us-gaap_DerivativeCollateralRightToReclaimCash" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeCollateralRightToReclaimCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Collateral Right To Reclaim Cash</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" xlink:type="locator" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net position, Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral" xlink:to="us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermDebtMember" xlink:type="locator" xlink:label="us-gaap_ShortTermDebtMember" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtMember" xlink:to="us-gaap_ShortTermDebtMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Debt [Member]</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMember" xlink:to="us-gaap_LongTermDebtMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebtMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Long Term Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueHedgeLiabilitiesAtFairValue" xlink:type="locator" xlink:label="us-gaap_FairValueHedgeLiabilitiesAtFairValue" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueHedgeLiabilitiesAtFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hedge Liabilities At Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease" xlink:type="locator" xlink:label="us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hedge Basis Adjustments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease" xlink:to="us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Hedged Liability Fair Value Hedge Cumulative Increase Decrease</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_DecreaseInValuationDueToLiquidityAdjustments" xlink:type="locator" xlink:label="navi_DecreaseInValuationDueToLiquidityAdjustments" />
    <link:label xml:lang="en-US" xlink:label="navi_DecreaseInValuationDueToLiquidityAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Decrease in valuation due to liquidity adjustments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_DecreaseInValuationDueToLiquidityAdjustments" xlink:to="navi_DecreaseInValuationDueToLiquidityAdjustments_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeCreditRiskValuationAdjustmentDerivativeAssets" xlink:type="locator" xlink:label="us-gaap_DerivativeCreditRiskValuationAdjustmentDerivativeAssets" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeCreditRiskValuationAdjustmentDerivativeAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Decrease in valuation due to net credit risk adjustments</link:label>
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    <link:label xml:lang="en-US" xlink:label="navi_DecreaseInValuationDueToLiquidityAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Decrease in valuation due to liquidity adjustments</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DecreaseInValuationDueToLiquidityAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Decrease In Valuation Due To Liquidity Adjustments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OffsettingAbstract" xlink:type="locator" xlink:label="us-gaap_OffsettingAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OffsettingAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Offsetting [Abstract]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative [Table]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLineItems" xlink:type="locator" xlink:label="us-gaap_DerivativeLineItems" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative [Line Items]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement Location [Axis]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Reclassification adjustments for derivative (gains) losses included in net income (interest expense)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Loss Reclassification Adjustment From A O C I On Derivatives Net Of Tax</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_CollateralHeldAbstract" xlink:type="locator" xlink:label="navi_CollateralHeldAbstract" />
    <link:label xml:lang="en-US" xlink:label="navi_CollateralHeldAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Collateral held.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CollateralHeldAbstract" xlink:to="navi_CollateralHeldAbstract_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives" xlink:type="locator" xlink:label="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives" />
    <link:label xml:lang="en-US" xlink:label="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities fair value on balance sheet securitization derivatives.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives" xlink:to="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_DerivativeAssetAtFairValueIncludingAccruedInterest" xlink:type="locator" xlink:label="navi_DerivativeAssetAtFairValueIncludingAccruedInterest" />
    <link:label xml:lang="en-US" xlink:label="navi_DerivativeAssetAtFairValueIncludingAccruedInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Derivative asset at fair value including accrued interest.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_DerivativeAssetAtFairValueIncludingAccruedInterest" xlink:to="navi_DerivativeAssetAtFairValueIncludingAccruedInterest_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_CollateralPledgedToOthersAbstract" xlink:type="locator" xlink:label="navi_CollateralPledgedToOthersAbstract" />
    <link:label xml:lang="en-US" xlink:label="navi_CollateralPledgedToOthersAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Collateral pledged to others.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CollateralPledgedToOthersAbstract" xlink:to="navi_CollateralPledgedToOthersAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_CollateralHeldAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral held:</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CollateralHeldAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Held [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeCollateralObligationToReturnCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash (obligation to return cash collateral is recorded in short-term borrowings)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeCollateralObligationToReturnSecurities" xlink:type="locator" xlink:label="us-gaap_DerivativeCollateralObligationToReturnSecurities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeCollateralObligationToReturnSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities at fair value - corporate derivatives (not recorded in financial statements)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeCollateralObligationToReturnSecurities" xlink:to="us-gaap_DerivativeCollateralObligationToReturnSecurities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeCollateralObligationToReturnSecurities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Collateral Obligation To Return Securities</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities at fair value - on-balance sheet securitization derivatives (not recorded in financial statements)</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Securities Fair Value On Balance Sheet Securitization Derivatives</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeAssetFairValueOfCollateral" xlink:type="locator" xlink:label="us-gaap_DerivativeAssetFairValueOfCollateral" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetFairValueOfCollateral_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total collateral held</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetFairValueOfCollateral" xlink:to="us-gaap_DerivativeAssetFairValueOfCollateral_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetFairValueOfCollateral_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset Fair Value Of Collateral</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DerivativeAssetAtFairValueIncludingAccruedInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative asset at fair value including accrued interest</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DerivativeAssetAtFairValueIncludingAccruedInterest_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset At Fair Value Including Accrued Interest</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CollateralPledgedToOthersAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral pledged to others:</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CollateralPledgedToOthersAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Pledged To Others [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeCollateralRightToReclaimCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash (right to receive return of cash collateral is recorded in investments)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilityFairValueOfCollateral" xlink:type="locator" xlink:label="us-gaap_DerivativeLiabilityFairValueOfCollateral" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeLiabilityFairValueOfCollateral_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total collateral pledged</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilityFairValueOfCollateral" xlink:to="us-gaap_DerivativeLiabilityFairValueOfCollateral_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeLiabilityFairValueOfCollateral_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability Fair Value Of Collateral</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:type="locator" xlink:label="us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liability at fair value including accrued interest and premium receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:to="us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Net Liability Position Aggregate Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestReceivable" xlink:type="locator" xlink:label="us-gaap_InterestReceivable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued interest receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestReceivable" xlink:to="us-gaap_InterestReceivable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestReceivable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Interest Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedInvestments" xlink:type="locator" xlink:label="us-gaap_RestrictedInvestments" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RestrictedInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Benefit and insurance-related investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedInvestments" xlink:to="us-gaap_RestrictedInvestments_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RestrictedInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax asset, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent" xlink:to="us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Taxes And Other Tax Receivable Current</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Derivatives at fair value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:type="locator" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed assets, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Property Plant And Equipment Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNet" xlink:type="locator" xlink:label="us-gaap_AccountsReceivableNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNet" xlink:to="us-gaap_AccountsReceivableNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountsReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsMiscellaneous" xlink:type="locator" xlink:label="us-gaap_OtherAssetsMiscellaneous" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherAssetsMiscellaneous_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsMiscellaneous" xlink:to="us-gaap_OtherAssetsMiscellaneous_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OtherAssetsMiscellaneous_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets Miscellaneous</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestReceivableAndOtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_CommonSharesUnissuedButEncumbered" xlink:type="locator" xlink:label="navi_CommonSharesUnissuedButEncumbered" />
    <link:label xml:lang="en-US" xlink:label="navi_CommonSharesUnissuedButEncumbered_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Common shares that have not been issued but are encumbered to fulfill employee compensation obligations and remaining authority for stock-based compensation plans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CommonSharesUnissuedButEncumbered" xlink:to="navi_CommonSharesUnissuedButEncumbered_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfStockByClassTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Stock By Class [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ScheduleOfStockByClassTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Stock By Class [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:type="locator" xlink:label="us-gaap_ClassOfStockLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfStockLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Stock [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CommonSharesUnissuedButEncumbered_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common shares unissued but encumbered</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CommonSharesUnissuedButEncumbered_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Common Shares Unissued But Encumbered</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel">Common shares repurchased</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:type="locator" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase price of common stock per share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:to="us-gaap_TreasuryStockAcquiredAverageCostPerShare_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock Acquired Average Cost Per Share</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare" xlink:type="locator" xlink:label="navi_SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare" />
    <link:label xml:lang="en-US" xlink:label="navi_SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Total cost of shares repurchased divided by the total number of shares repurchased, for shares repurchased related to employee stock-based compensation plans.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare" xlink:to="navi_SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfTreasuryStockTable" xlink:type="locator" xlink:label="us-gaap_ClassOfTreasuryStockTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfTreasuryStockTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class Of Treasury Stock [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfTreasuryStockTable" xlink:to="us-gaap_ClassOfTreasuryStockTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfTreasuryStockTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class Of Treasury Stock [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityClassOfTreasuryStockLineItems" xlink:type="locator" xlink:label="us-gaap_EquityClassOfTreasuryStockLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EquityClassOfTreasuryStockLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity, Class of Treasury Stock [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:to="us-gaap_EquityClassOfTreasuryStockLineItems_lbl" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:type="locator" xlink:label="us-gaap_FairValueInputsLevel1Member" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1 [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Inputs Level1 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:type="locator" xlink:label="us-gaap_FairValueInputsLevel2Member" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2 [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Inputs Level2 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:type="locator" xlink:label="us-gaap_FairValueInputsLevel3Member" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Inputs Level3 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:type="locator" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:type="locator" xlink:label="us-gaap_AssetsFairValueDisclosure" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsFairValueDisclosure" xlink:to="us-gaap_AssetsFairValueDisclosure_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Assets Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:type="locator" xlink:label="us-gaap_LiabilitiesFairValueDisclosure" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Total</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesFairValueDisclosure" xlink:to="us-gaap_LiabilitiesFairValueDisclosure_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities Fair Value Disclosure</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate" xlink:type="locator" xlink:label="navi_ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate" />
    <link:label xml:lang="en-US" xlink:label="navi_ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in mark-to-market gains/(losses) relating to instruments still held at the reporting date.</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract" xlink:type="locator" xlink:label="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract" />
    <link:label xml:lang="en-US" xlink:label="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value net derivative asset (liability) measured on recurring basis unobservable input reconciliation gains (losses).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract" xlink:to="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:type="locator" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Input Reconciliation [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Input Reconciliation [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:type="locator" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs" xlink:type="locator" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance, beginning of period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs" xlink:to="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total gains/(losses):</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Input Reconciliation Gains Losses [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings" xlink:type="locator" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Included in earnings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings" xlink:to="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:type="locator" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Included in other comprehensive income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss" xlink:to="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Other Comprehensive Income Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements" xlink:type="locator" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Settlements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements" xlink:to="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersNet" xlink:type="locator" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfers in and/or out of level 3</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Net</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance, end of period</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in mark-to-market gains/(losses) relating to instruments still held at the reporting date</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Change In Mark To Market Gains Losses Relating To Instruments Still Held At Reporting Date</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsMember" xlink:type="locator" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain (Losses) on Derivative Instruments [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDerivativeInstrumentsMember" xlink:to="us-gaap_GainLossOnDerivativeInstrumentsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Gain Loss On Derivative Instruments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gains (losses) on derivative and hedging activities, net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableRateAxis" xlink:type="locator" xlink:label="us-gaap_VariableRateAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Axis]</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Variable Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateDomain" xlink:to="us-gaap_VariableRateDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_PrimeLiborBasisSwapsMember" xlink:type="locator" xlink:label="navi_PrimeLiborBasisSwapsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_PrimeLiborBasisSwapsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Prime LIBOR basis swaps.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_PrimeLiborBasisSwapsMember" xlink:to="navi_PrimeLiborBasisSwapsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_PrimeLiborBasisSwapsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prime/LIBOR Basis Swaps [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_PrimeLiborBasisSwapsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Prime Libor Basis Swaps [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputTypeAxis" xlink:type="locator" xlink:label="us-gaap_MeasurementInputTypeAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputTypeAxis" xlink:to="us-gaap_MeasurementInputTypeAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputTypeDomain" xlink:type="locator" xlink:label="us-gaap_MeasurementInputTypeDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="us-gaap_MeasurementInputTypeDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputConstantPrepaymentRateMember" xlink:type="locator" xlink:label="us-gaap_MeasurementInputConstantPrepaymentRateMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MeasurementInputConstantPrepaymentRateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Constant Prepayment Rate [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputConstantPrepaymentRateMember" xlink:to="us-gaap_MeasurementInputConstantPrepaymentRateMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MeasurementInputConstantPrepaymentRateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Constant Prepayment Rate [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember" xlink:type="locator" xlink:label="us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bid/ask adjustment to discount rate [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember" xlink:to="us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Discount For Lack Of Marketability [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:type="locator" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative financial instruments, Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet" xlink:to="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Assets Liabilities At Fair Value Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeAssetLiabilityNetValuationTechniqueExtensibleList" xlink:type="locator" xlink:label="us-gaap_DerivativeAssetLiabilityNetValuationTechniqueExtensibleList" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetLiabilityNetValuationTechniqueExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Asset (Liability) Net, Valuation Technique [Extensible List]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetLiabilityNetValuationTechniqueExtensibleList" xlink:to="us-gaap_DerivativeAssetLiabilityNetValuationTechniqueExtensibleList_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetLiabilityNetValuationTechniqueExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset Liability Net Valuation Technique Extensible List</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeAssetLiabilityNetMeasurementInput" xlink:type="locator" xlink:label="us-gaap_DerivativeAssetLiabilityNetMeasurementInput" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetLiabilityNetMeasurementInput_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivatives</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetLiabilityNetMeasurementInput" xlink:to="us-gaap_DerivativeAssetLiabilityNetMeasurementInput_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetLiabilityNetMeasurementInput_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset Liability Net Measurement Input</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeAssetLiabilityNetMeasurementInputExtensibleList" xlink:type="locator" xlink:label="us-gaap_DerivativeAssetLiabilityNetMeasurementInputExtensibleList" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetLiabilityNetMeasurementInputExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Asset (Liability) Net, Measurement Input [Extensible List]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetLiabilityNetMeasurementInputExtensibleList" xlink:to="us-gaap_DerivativeAssetLiabilityNetMeasurementInputExtensibleList_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DerivativeAssetLiabilityNetMeasurementInputExtensibleList_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset Liability Net Measurement Input Extensible List</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:type="locator" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value By Balance Sheet Grouping [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTable" xlink:to="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value By Balance Sheet Grouping [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:type="locator" xlink:label="us-gaap_FairValueByMeasurementBasisAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Basis</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByMeasurementBasisAxis" xlink:to="us-gaap_FairValueByMeasurementBasisAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value By Measurement Basis [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:type="locator" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Disclosure Item Amounts [Default]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:to="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Portion At Fair Value Fair Value Disclosure [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:type="locator" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosureItemAmountsDomain" xlink:to="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosure Item Amounts [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ChangeDuringPeriodFairValueDisclosureMember" xlink:type="locator" xlink:label="us-gaap_ChangeDuringPeriodFairValueDisclosureMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ChangeDuringPeriodFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Difference [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeDuringPeriodFairValueDisclosureMember" xlink:to="us-gaap_ChangeDuringPeriodFairValueDisclosureMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ChangeDuringPeriodFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Change During Period Fair Value Disclosure [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:type="locator" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Value [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:to="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Carrying Reported Amount Fair Value Disclosure [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:type="locator" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:to="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Estimate Of Fair Value Fair Value Disclosure [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:type="locator" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:to="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentsAndCash" xlink:type="locator" xlink:label="us-gaap_InvestmentsAndCash" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsAndCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsAndCash" xlink:to="us-gaap_InvestmentsAndCash_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InvestmentsAndCash_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Investments And Cash</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_EarningAssets" xlink:type="locator" xlink:label="navi_EarningAssets" />
    <link:label xml:lang="en-US" xlink:label="navi_EarningAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Carrying value of assets excluding goodwill and acquired intangible assets, and other assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_EarningAssets" xlink:to="navi_EarningAssets_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_DerivativeAssetsLiabilitiesAtCarryingValueNet" xlink:type="locator" xlink:label="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet" />
    <link:label xml:lang="en-US" xlink:label="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Carrying values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet" xlink:to="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel">Loans, Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_EarningAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total earning assets, Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_EarningAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Earning Assets</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel">Short-term borrowings, Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_LongTermDebt_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel">Long-term borrowings, Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative financial instruments, Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Assets Liabilities At Carrying Value Net</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_LoansReceivableAndInvestmentsFairValueDisclosure" xlink:type="locator" xlink:label="navi_LoansReceivableAndInvestmentsFairValueDisclosure" />
    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableAndInvestmentsFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans receivable and investments fair value disclosure.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_LoansReceivableAndInvestmentsFairValueDisclosure" xlink:to="navi_LoansReceivableAndInvestmentsFairValueDisclosure_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_ExcessOfNetAssetFairValueOverCarryingValue" xlink:type="locator" xlink:label="navi_ExcessOfNetAssetFairValueOverCarryingValue" />
    <link:label xml:lang="en-US" xlink:label="navi_ExcessOfNetAssetFairValueOverCarryingValue_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Excess of net asset fair value over carrying value.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ExcessOfNetAssetFairValueOverCarryingValue" xlink:to="navi_ExcessOfNetAssetFairValueOverCarryingValue_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoansReceivableFairValueDisclosure" xlink:type="locator" xlink:label="us-gaap_LoansReceivableFairValueDisclosure" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans receivable, Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansReceivableFairValueDisclosure" xlink:to="us-gaap_LoansReceivableFairValueDisclosure_lbl" />
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    <link:label xml:lang="en-US" xlink:label="navi_LoansReceivableAndInvestmentsFairValueDisclosure_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total earning assets, Fair Value</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Foreign Income Tax Expense Benefit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="locator" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Provision for income tax expense/(benefit)</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_DeferredTaxAssetsEducationLoanPremiumsAndDiscountsNet" xlink:type="locator" xlink:label="navi_DeferredTaxAssetsEducationLoanPremiumsAndDiscountsNet" />
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    <link:loc xlink:href="navi-20201231.xsd#navi_DeferredTaxLiabilitiesMarketValueAdjustments" xlink:type="locator" xlink:label="navi_DeferredTaxLiabilitiesMarketValueAdjustments" />
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    <link:loc xlink:href="navi-20201231.xsd#navi_DeferredTaxLiabilitiesOriginalIssueDiscountOnBorrowings" xlink:type="locator" xlink:label="navi_DeferredTaxLiabilitiesOriginalIssueDiscountOnBorrowings" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_DeferredTaxLiabilitiesOriginalIssueDiscountOnBorrowings" xlink:to="navi_DeferredTaxLiabilitiesOriginalIssueDiscountOnBorrowings_lbl" />
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsNetAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNetAbstract" xlink:to="us-gaap_DeferredTaxAssetsNetAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsNetAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Net [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan reserves</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DeferredTaxAssetsMarketValueAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Market value adjustments on education loans, investments and derivatives</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DeferredTaxAssetsMarketValueAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Market Value Adjustments</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DeferredTaxAssetsEducationLoanPremiumsAndDiscountsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Education loan premiums and discounts, net</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DeferredTaxAssetsEducationLoanPremiumsAndDiscountsNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets Education Loan Premiums And Discounts Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:type="locator" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" />
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    <link:label xml:lang="en-US" xlink:label="navi_DeferredTaxAssetsOtherIncludingValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxLiabilitiesAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:type="locator" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired intangible assets</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities Goodwill And Intangible Assets</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DeferredTaxLiabilitiesMarketValueAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Market value adjustments on education loans, investments and derivatives</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DeferredTaxLiabilitiesMarketValueAdjustments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities Market Value Adjustments</link:label>
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    <link:label xml:lang="en-US" xlink:label="navi_DeferredTaxLiabilitiesOriginalIssueDiscountOnBorrowings_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities Original Issue Discount On Borrowings</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxLiabilitiesOther_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities Other</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net deferred tax assets</link:label>
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    <link:label xml:lang="en-US" xlink:label="us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:type="locator" xlink:label="us-gaap_OperatingLossCarryforwardsValuationAllowance" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:to="us-gaap_OperatingLossCarryforwardsValuationAllowance_lbl" />
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    <link:loc xlink:href="navi-20201231.xsd#navi_TaxEffectedOperatingLossCarryforwards" xlink:type="locator" xlink:label="navi_TaxEffectedOperatingLossCarryforwards" />
    <link:label xml:lang="en-US" xlink:label="navi_TaxEffectedOperatingLossCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tax effected operating loss carryforwards.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_TaxEffectedOperatingLossCarryforwards" xlink:to="navi_TaxEffectedOperatingLossCarryforwards_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_OperatingLossCarryforwardsExpirationYear" xlink:type="locator" xlink:label="navi_OperatingLossCarryforwardsExpirationYear" />
    <link:label xml:lang="en-US" xlink:label="navi_OperatingLossCarryforwardsExpirationYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss carryforwards expiration year.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OperatingLossCarryforwardsExpirationYear" xlink:to="navi_OperatingLossCarryforwardsExpirationYear_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_OperatingLossAndCreditCarryover" xlink:type="locator" xlink:label="navi_OperatingLossAndCreditCarryover" />
    <link:label xml:lang="en-US" xlink:label="navi_OperatingLossAndCreditCarryover_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Operating loss and credit carryover.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OperatingLossAndCreditCarryover" xlink:to="navi_OperatingLossAndCreditCarryover_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:type="locator" xlink:label="us-gaap_OperatingLossCarryforwardsTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLossCarryforwardsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Loss Carryforwards [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsTable" xlink:to="us-gaap_OperatingLossCarryforwardsTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLossCarryforwardsTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:type="locator" xlink:label="us-gaap_IncomeTaxAuthorityAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Authority</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:type="locator" xlink:label="us-gaap_IncomeTaxAuthorityDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Authority</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_IncomeTaxAuthorityDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:type="locator" xlink:label="us-gaap_StateAndLocalJurisdictionMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State and Local Jurisdiction [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StateAndLocalJurisdictionMember" xlink:to="us-gaap_StateAndLocalJurisdictionMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">State And Local Jurisdiction [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:type="locator" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Authority, Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityNameAxis" xlink:to="us-gaap_IncomeTaxAuthorityNameAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:type="locator" xlink:label="us-gaap_IncomeTaxAuthorityNameDomain" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxAuthorityNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Tax Authority, Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityNameDomain" xlink:to="us-gaap_IncomeTaxAuthorityNameDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_IncomeTaxAuthorityNameDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:type="locator" xlink:label="us-gaap_InternalRevenueServiceIRSMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InternalRevenueServiceIRSMember" xlink:to="us-gaap_InternalRevenueServiceIRSMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Internal Revenue Service I R S [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FederalAndStateMember" xlink:type="locator" xlink:label="navi_FederalAndStateMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FederalAndStateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal and State.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FederalAndStateMember" xlink:to="navi_FederalAndStateMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FederalAndStateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal and State [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FederalAndStateMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal And State [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:type="locator" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Loss Carryforwards [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsLineItems" xlink:to="us-gaap_OperatingLossCarryforwardsLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:type="locator" xlink:label="us-gaap_OperatingLossCarryforwards" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carryovers, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_TaxEffectedOperatingLossCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss carryovers, Tax-Effected</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_TaxEffectedOperatingLossCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tax Effected Operating Loss Carryforwards</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OperatingLossCarryforwardsExpirationYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net operating loss, Expiration</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OperatingLossCarryforwardsExpirationYear_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss Carryforwards Expiration Year</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OperatingLossAndCreditCarryover_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Loss and Credit Carryovers</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OperatingLossAndCreditCarryover_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Loss And Credit Carryover</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_DisallowedInterestExpenseCarryForwards" xlink:type="locator" xlink:label="navi_DisallowedInterestExpenseCarryForwards" />
    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseCarryForwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disallowed interest expense carry forwards.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_DisallowedInterestExpenseCarryForwards" xlink:to="navi_DisallowedInterestExpenseCarryForwards_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_TaxEffectedDisallowedInterestExpenseCarryforwards" xlink:type="locator" xlink:label="navi_TaxEffectedDisallowedInterestExpenseCarryforwards" />
    <link:label xml:lang="en-US" xlink:label="navi_TaxEffectedDisallowedInterestExpenseCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tax effected disallowed interest expense carryforwards.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_TaxEffectedDisallowedInterestExpenseCarryforwards" xlink:to="navi_TaxEffectedDisallowedInterestExpenseCarryforwards_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_DisallowedInterestExpenseCarryForwardsExpirationPeriod" xlink:type="locator" xlink:label="navi_DisallowedInterestExpenseCarryForwardsExpirationPeriod" />
    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseCarryForwardsExpirationPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disallowed interest expense carry forwards expiration period.</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_DisallowedInterestExpenseCarryforwardsValuationAllowance" xlink:type="locator" xlink:label="navi_DisallowedInterestExpenseCarryforwardsValuationAllowance" />
    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseCarryforwardsValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Disallowed interest expense carryforwards valuation allowance</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_DisallowedInterestExpenseOperatingLossAndCreditCarryovers" xlink:type="locator" xlink:label="navi_DisallowedInterestExpenseOperatingLossAndCreditCarryovers" />
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    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseCarryForwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disallowed Interest Expense Carry Forwards</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_TaxEffectedDisallowedInterestExpenseCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State IRC &#167; 163(j) disallowed interest expense carryovers, Tax-Effected</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_TaxEffectedDisallowedInterestExpenseCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tax Effected Disallowed Interest Expense Carryforwards</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseCarryForwardsExpirationPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State IRC &#167; 163(j) disallowed interest expense carryovers, Expiration</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseCarryForwardsExpirationPeriod_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disallowed Interest Expense Carry Forwards Expiration Period</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseCarryforwardsValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State IRC &#167; 163(j) disallowed interest expense carryovers, Corresponding Valuation Allowance</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseCarryforwardsValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disallowed Interest Expense Carryforwards Valuation Allowance</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseOperatingLossAndCreditCarryovers_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State IRC &#167; 163(j) disallowed interest expense carryovers, Operating Loss and Credit carryovers</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_DisallowedInterestExpenseOperatingLossAndCreditCarryovers_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disallowed Interest Expense Operating Loss And Credit Carryovers</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_CapitalLossCarryForwards" xlink:type="locator" xlink:label="navi_CapitalLossCarryForwards" />
    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossCarryForwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital loss carryforwards.</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_TaxEffectedCapitalLossCarryforwards" xlink:type="locator" xlink:label="navi_TaxEffectedCapitalLossCarryforwards" />
    <link:label xml:lang="en-US" xlink:label="navi_TaxEffectedCapitalLossCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tax effected capital loss carryforwards.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_TaxEffectedCapitalLossCarryforwards" xlink:to="navi_TaxEffectedCapitalLossCarryforwards_lbl" />
    <link:loc xlink:href="navi-20201231.xsd#navi_CapitalLossCarryforwardsExpirationDate" xlink:type="locator" xlink:label="navi_CapitalLossCarryforwardsExpirationDate" />
    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossCarryforwardsExpirationDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital loss carryforwards expiration date.</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_CapitalLossCarryforwardsValuationAllowance" xlink:type="locator" xlink:label="navi_CapitalLossCarryforwardsValuationAllowance" />
    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossCarryforwardsValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital loss carryforwards valuation allowance.</link:label>
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    <link:loc xlink:href="navi-20201231.xsd#navi_CapitalLossAndCreditCarryover" xlink:type="locator" xlink:label="navi_CapitalLossAndCreditCarryover" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_CapitalLossAndCreditCarryover" xlink:to="navi_CapitalLossAndCreditCarryover_lbl" />
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    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossCarryForwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Loss Carry Forwards</link:label>
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    <link:label xml:lang="en-US" xlink:label="navi_TaxEffectedCapitalLossCarryforwards_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tax Effected Capital Loss Carryforwards</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossCarryforwardsExpirationDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal and State capital loss, Expiration</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossCarryforwardsExpirationDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Loss Carryforwards Expiration Date</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossCarryforwardsValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal and State Capital loss, Corresponding Valuation Allowance</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossCarryforwardsValuationAllowance_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Loss Carryforwards Valuation Allowance</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossAndCreditCarryover_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal and State capital loss, Operating Loss and credit Carryovers</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CapitalLossAndCreditCarryover_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Loss And Credit Carryover</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefits" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Unrecognized tax benefits at beginning of year</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefits" xlink:to="us-gaap_UnrecognizedTaxBenefits_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increases resulting from tax positions taken during a prior period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Decreases resulting from tax positions taken during a prior period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:to="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increases resulting from tax positions taken during the current period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Decreases related to settlements with taxing authorities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:to="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increases related to settlements with taxing authorities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromSettlementsWithTaxingAuthorities_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Increases Resulting From Settlements With Taxing Authorities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Reductions related to the lapse of statute of limitations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations" xlink:to="us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Unrecognized tax benefits at end of year</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized tax benefits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:type="locator" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized tax benefits recognition impact on effective tax rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:to="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits That Would Impact Effective Tax Rate</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_StatuteOfLimitationPeriodForOpenTaxReviews" xlink:type="locator" xlink:label="navi_StatuteOfLimitationPeriodForOpenTaxReviews" />
    <link:label xml:lang="en-US" xlink:label="navi_StatuteOfLimitationPeriodForOpenTaxReviews_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Statute of limitation period for various combinations of open tax reviews of subsidiaries, tax years and jurisdictions.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_StatuteOfLimitationPeriodForOpenTaxReviews" xlink:to="navi_StatuteOfLimitationPeriodForOpenTaxReviews_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_StatuteOfLimitationPeriodForOpenTaxReviews_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statute of limitation period for open tax reviews</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_StatuteOfLimitationPeriodForOpenTaxReviews_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statute Of Limitation Period For Open Tax Reviews</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueAbstract" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueAbstract" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisaggregationOfRevenueAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation Of Revenue [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisaggregationOfRevenueAbstract" xlink:to="us-gaap_DisaggregationOfRevenueAbstract_lbl" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disaggregation Of Revenue [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisaggregationOfRevenueTable" xlink:to="us-gaap_DisaggregationOfRevenueTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisaggregationOfRevenueTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation Of Revenue [Table]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FederalEducationLoanAssetRecoveryServicesMember" xlink:type="locator" xlink:label="navi_FederalEducationLoanAssetRecoveryServicesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FederalEducationLoanAssetRecoveryServicesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal education loan asset recovery services.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FederalEducationLoanAssetRecoveryServicesMember" xlink:to="navi_FederalEducationLoanAssetRecoveryServicesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FederalEducationLoanAssetRecoveryServicesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Education Loan Asset Recovery Services [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FederalEducationLoanAssetRecoveryServicesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Education Loan Asset Recovery Services [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MajorCustomersAxis" xlink:type="locator" xlink:label="srt_MajorCustomersAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_MajorCustomersAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MajorCustomersAxis" xlink:to="srt_MajorCustomersAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_MajorCustomersAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Major Customers [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:type="locator" xlink:label="srt_NameOfMajorCustomerDomain" />
    <link:label xml:lang="en-US" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_NameOfMajorCustomerDomain" xlink:to="srt_NameOfMajorCustomerDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Name Of Major Customer [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_FederalGovernmentMember" xlink:type="locator" xlink:label="navi_FederalGovernmentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_FederalGovernmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal Government.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_FederalGovernmentMember" xlink:to="navi_FederalGovernmentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_FederalGovernmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Government [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_FederalGovernmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Federal Government [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_GuarantorAgenciesMember" xlink:type="locator" xlink:label="navi_GuarantorAgenciesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_GuarantorAgenciesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Guarantor Agencies.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_GuarantorAgenciesMember" xlink:to="navi_GuarantorAgenciesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_GuarantorAgenciesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantor Agencies [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_GuarantorAgenciesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantor Agencies [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_OtherInstitutionsMember" xlink:type="locator" xlink:label="navi_OtherInstitutionsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_OtherInstitutionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Institutions.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_OtherInstitutionsMember" xlink:to="navi_OtherInstitutionsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_OtherInstitutionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Institutions [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OtherInstitutionsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Other Institutions [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_StateAndLocalGovernmentMember" xlink:type="locator" xlink:label="navi_StateAndLocalGovernmentMember" />
    <link:label xml:lang="en-US" xlink:label="navi_StateAndLocalGovernmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">State and Local Government.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_StateAndLocalGovernmentMember" xlink:to="navi_StateAndLocalGovernmentMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_StateAndLocalGovernmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State and Local Government [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_StateAndLocalGovernmentMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">State And Local Government [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_TollingAuthoritiesMember" xlink:type="locator" xlink:label="navi_TollingAuthoritiesMember" />
    <link:label xml:lang="en-US" xlink:label="navi_TollingAuthoritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Tolling Authorities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_TollingAuthoritiesMember" xlink:to="navi_TollingAuthoritiesMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_TollingAuthoritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tolling Authorities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_TollingAuthoritiesMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Tolling Authorities [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_HospitalsAndOtherHealthCareProvidersMember" xlink:type="locator" xlink:label="navi_HospitalsAndOtherHealthCareProvidersMember" />
    <link:label xml:lang="en-US" xlink:label="navi_HospitalsAndOtherHealthCareProvidersMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Hospitals and Other Health Care Providers.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_HospitalsAndOtherHealthCareProvidersMember" xlink:to="navi_HospitalsAndOtherHealthCareProvidersMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_HospitalsAndOtherHealthCareProvidersMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hospitals and Other Healthcare Providers [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_HospitalsAndOtherHealthCareProvidersMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Hospitals And Other Health Care Providers [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:type="locator" xlink:label="us-gaap_DisaggregationOfRevenueLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disaggregation Of Revenue [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisaggregationOfRevenueLineItems" xlink:to="us-gaap_DisaggregationOfRevenueLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_DisaggregationOfRevenueLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Disaggregation Of Revenue [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:type="locator" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Revenue From Contract With Customer Excluding Assessed Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:type="locator" xlink:label="us-gaap_AccountingStandardsUpdate201409Member" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201409Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASU 2014-09 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingStandardsUpdate201409Member" xlink:to="us-gaap_AccountingStandardsUpdate201409Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AccountingStandardsUpdate201409Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update201409 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNet" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerAssetNet" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerAssetNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contract assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerAssetNet" xlink:to="us-gaap_ContractWithCustomerAssetNet_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerAssetNet_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Asset Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiability" xlink:type="locator" xlink:label="us-gaap_ContractWithCustomerLiability" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Contract liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiability" xlink:to="us-gaap_ContractWithCustomerLiability_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ContractWithCustomerLiability_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Contract With Customer Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:type="locator" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Segment Reporting Information By Segment [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Segment Reporting Information By Segment [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:type="locator" xlink:label="us-gaap_AllOtherSegmentsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Segment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllOtherSegmentsMember" xlink:to="us-gaap_AllOtherSegmentsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">All Other Segments [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:type="locator" xlink:label="us-gaap_SegmentReportingInformationLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting Information [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_SegmentReportingInformationLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Information [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:type="locator" xlink:label="us-gaap_NumberOfOperatingSegments" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of reportable operating segments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfOperatingSegments" xlink:to="us-gaap_NumberOfOperatingSegments_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Operating Segments</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and investments</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cash And Investments Including Restricted Cash And Investments</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_InterestReceivableAndOtherAssets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_Assets_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable" xlink:type="locator" xlink:label="us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation Of Revenue From Segments To Consolidated [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable" xlink:to="us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Reconciliation Of Revenue From Segments To Consolidated [Table]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_EducationLoanMember" xlink:type="locator" xlink:label="navi_EducationLoanMember" />
    <link:label xml:lang="en-US" xlink:label="navi_EducationLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Education loan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_EducationLoanMember" xlink:to="navi_EducationLoanMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_EducationLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Education Loan Portfolio [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_EducationLoanMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Education Loan [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsAxis" xlink:type="locator" xlink:label="srt_ConsolidationItemsAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Items</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidationItemsAxis" xlink:to="srt_ConsolidationItemsAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsDomain" xlink:type="locator" xlink:label="srt_ConsolidationItemsDomain" />
    <link:label xml:lang="en-US" xlink:label="srt_ConsolidationItemsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Items</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidationItemsDomain" xlink:to="srt_ConsolidationItemsDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ConsolidationItemsDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:type="locator" xlink:label="us-gaap_OperatingSegmentsMember" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Segments [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingSegmentsMember" xlink:to="us-gaap_OperatingSegmentsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Operating Segments [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_EliminationsAndReconcilingItemsMember" xlink:type="locator" xlink:label="navi_EliminationsAndReconcilingItemsMember" />
    <link:label xml:lang="en-US" xlink:label="navi_EliminationsAndReconcilingItemsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the aggregate total of reconciling items and elimination items.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_EliminationsAndReconcilingItemsMember" xlink:to="navi_EliminationsAndReconcilingItemsMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_EliminationsAndReconcilingItemsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_EliminationsAndReconcilingItemsMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Eliminations And Reconciling Items [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementScenarioAxis" xlink:type="locator" xlink:label="srt_StatementScenarioAxis" />
    <link:label xml:lang="en-US" xlink:label="srt_StatementScenarioAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scenario</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_StatementScenarioAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_StatementScenarioAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Statement Scenario [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioUnspecifiedDomain" xlink:type="locator" xlink:label="srt_ScenarioUnspecifiedDomain" />
    <link:label xml:lang="en-US" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scenario</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="srt_ScenarioUnspecifiedDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Scenario Unspecified [Domain]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_ReclassificationsForCoreToGaapAccountingMember" xlink:type="locator" xlink:label="navi_ReclassificationsForCoreToGaapAccountingMember" />
    <link:label xml:lang="en-US" xlink:label="navi_ReclassificationsForCoreToGaapAccountingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Reclassifications for core to gaap accounting.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_ReclassificationsForCoreToGaapAccountingMember" xlink:to="navi_ReclassificationsForCoreToGaapAccountingMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_ReclassificationsForCoreToGaapAccountingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassifications [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_ReclassificationsForCoreToGaapAccountingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Reclassifications For Core To Gaap Accounting [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_AdditionsSubtractionsForCoreToGaapAccountingMember" xlink:type="locator" xlink:label="navi_AdditionsSubtractionsForCoreToGaapAccountingMember" />
    <link:label xml:lang="en-US" xlink:label="navi_AdditionsSubtractionsForCoreToGaapAccountingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Additions (subtractions) for core to GAAP accounting.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AdditionsSubtractionsForCoreToGaapAccountingMember" xlink:to="navi_AdditionsSubtractionsForCoreToGaapAccountingMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_AdditionsSubtractionsForCoreToGaapAccountingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions (Subtractions) [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AdditionsSubtractionsForCoreToGaapAccountingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Additions Subtractions For Core To Gaap Accounting [Member]</link:label>
    <link:loc xlink:href="navi-20201231.xsd#navi_AdjustmentsForCoreToGaapAccountingMember" xlink:type="locator" xlink:label="navi_AdjustmentsForCoreToGaapAccountingMember" />
    <link:label xml:lang="en-US" xlink:label="navi_AdjustmentsForCoreToGaapAccountingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments for core to GAAP accounting.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AdjustmentsForCoreToGaapAccountingMember" xlink:to="navi_AdjustmentsForCoreToGaapAccountingMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="navi_AdjustmentsForCoreToGaapAccountingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Adjustments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_AdjustmentsForCoreToGaapAccountingMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments For Core To Gaap Accounting [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentReportingRevenueReconcilingItemLineItems" xlink:type="locator" xlink:label="us-gaap_SegmentReportingRevenueReconcilingItemLineItems" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingRevenueReconcilingItemLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting Revenue Reconciling Item [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingRevenueReconcilingItemLineItems" xlink:to="us-gaap_SegmentReportingRevenueReconcilingItemLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_SegmentReportingRevenueReconcilingItemLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Revenue Reconciling Item [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForLoanAndLeaseLosses" xlink:type="locator" xlink:label="us-gaap_ProvisionForLoanAndLeaseLosses" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProvisionForLoanAndLeaseLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: provisions for loan losses</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForLoanAndLeaseLosses" xlink:to="us-gaap_ProvisionForLoanAndLeaseLosses_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ProvisionForLoanAndLeaseLosses_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Provision For Loan And Lease Losses</link:label>
    <link:label xml:lang="en-US" xlink:label="navi_OtherIncomeLossAndGainLossOnDerivatives_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (loss)</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainsLossesOnSalesOfAssets" xlink:type="locator" xlink:label="us-gaap_GainsLossesOnSalesOfAssets" />
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