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  <xs:element id="fnm_AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenWeightedAverageYield" abstract="false" name="AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenWeightedAverageYield" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_UsTreasuryMember" abstract="true" name="UsTreasuryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_LossContingencyRelatedReceivableMaximum" abstract="false" name="LossContingencyRelatedReceivableMaximum" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_ComponentOfCriticalCapitalRequirementPercentageOfOnBalanceSheetAssetsExceptThoseUnderlyingFannieMaeMbsHeldByThirdParties" abstract="false" name="ComponentOfCriticalCapitalRequirementPercentageOfOnBalanceSheetAssetsExceptThoseUnderlyingFannieMaeMbsHeldByThirdParties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_NumberOfLoansSeriouslyDelinquentPercentageByCategory" abstract="false" name="NumberOfLoansSeriouslyDelinquentPercentageByCategory" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_PaymentsForAdvancesToLenders" abstract="false" name="PaymentsForAdvancesToLenders" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_ForwardContractsToSellMortgageRelatedSecuritiesMember" abstract="true" name="ForwardContractsToSellMortgageRelatedSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
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  <xs:element id="fnm_FinancingReceivableModificationsAverageInterestRateReductionPercentagePoint" abstract="false" name="FinancingReceivableModificationsAverageInterestRateReductionPercentagePoint" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
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  <xs:element id="fnm_LoansSeriouslyDelinquentUnpaidPrincipalBalancePercentageByCategory" abstract="false" name="LoansSeriouslyDelinquentUnpaidPrincipalBalancePercentageByCategory" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
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  <xs:element id="fnm_InvestmentGainsLossNet1" abstract="false" name="InvestmentGainsLossNet1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_UsGaap_FinancingReceivableReclassificationToHeldForInvestment" abstract="false" name="UsGaap_FinancingReceivableReclassificationToHeldForInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="fnm_MortgageAndMortgageRelatedAssetsIncludingAcquiredCreditImpairedLoans" abstract="false" name="MortgageAndMortgageRelatedAssetsIncludingAcquiredCreditImpairedLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_InsuranceLossReservesContractualMortgageInsuranceBenefitNet" abstract="false" name="InsuranceLossReservesContractualMortgageInsuranceBenefitNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_SeniorFloatingDebtMember" abstract="true" name="SeniorFloatingDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_EstimatedMarkToMarketLoanToValueRatioLessThanOrEqualTo80PercentMember" abstract="true" name="EstimatedMarkToMarketLoanToValueRatioLessThanOrEqualTo80PercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments" abstract="false" name="DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_ScheduleofRiskinForceMortgageInsuranceCoverageTableTextBlock" abstract="false" name="ScheduleofRiskinForceMortgageInsuranceCoverageTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
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  <xs:element id="fnm_TransfersFromLoansHeldForInvestmentOfParentCompanyToLoansHeldForInvestmentOfConsolidatedTrusts" abstract="false" name="TransfersFromLoansHeldForInvestmentOfParentCompanyToLoansHeldForInvestmentOfConsolidatedTrusts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_AllowanceForMortgageInsuranceReceivable" abstract="false" name="AllowanceForMortgageInsuranceReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_NetGainsRelatedToTheDispositionofAcquiredPropertyandPreforeclosureSalesIncludingCreditEnhancements" abstract="false" name="NetGainsRelatedToTheDispositionofAcquiredPropertyandPreforeclosureSalesIncludingCreditEnhancements" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_FinancialGuaranteesandMaximumRecoveryTableTextBlock" abstract="false" name="FinancialGuaranteesandMaximumRecoveryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
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  <xs:element id="fnm_UsGaap_AffordableHousingProgramAssessments" abstract="false" name="UsGaap_AffordableHousingProgramAssessments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="fnm_ReceiveFixedSwaptionMember" abstract="true" name="ReceiveFixedSwaptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_ScheduleOfDelinquencyStatusGuarantyBookOfBusinessTableTextBlock" abstract="false" name="ScheduleOfDelinquencyStatusGuarantyBookOfBusinessTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="fnm_WestUnitedStatesMember" abstract="true" name="WestUnitedStatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_ZeroCouponDebtMember" abstract="true" name="ZeroCouponDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_DeficitOfCoreCapitalOverStatutoryMinimumCapitalRequirement" abstract="false" name="DeficitOfCoreCapitalOverStatutoryMinimumCapitalRequirement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="fnm_SingleFamilyGuarantyFees10BasisPointsIncreaseDueToProvisionStatedInTemporaryPayrollTaxCutContinuationActOf2011PolicyTextBlock" abstract="false" name="SingleFamilyGuarantyFees10BasisPointsIncreaseDueToProvisionStatedInTemporaryPayrollTaxCutContinuationActOf2011PolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
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  <xs:element id="fnm_AggregateLiquidationPreferenceOfSeniorPreferredStock" abstract="false" name="AggregateLiquidationPreferenceOfSeniorPreferredStock" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_MortgageInsuranceCoverageRiskInForceInsurersWithPubliclyDisclosedFinancialWeakness" abstract="false" name="MortgageInsuranceCoverageRiskInForceInsurersWithPubliclyDisclosedFinancialWeakness" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="fnm_ComponentOfCriticalCapitalRequirementPercentageOfOffBalanceSheetObligations" abstract="false" name="ComponentOfCriticalCapitalRequirementPercentageOfOffBalanceSheetObligations" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
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  <xs:element id="fnm_CurrentDebtServiceCoverageRatioHigherRiskLoans1" abstract="false" name="CurrentDebtServiceCoverageRatioHigherRiskLoans1" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="fnm_CapitalReserveAmountFiscalYearSeniorPreferredStockPurchaseAgreementSeptember2019Amendment" abstract="false" name="CapitalReserveAmountFiscalYearSeniorPreferredStockPurchaseAgreementSeptember2019Amendment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="fnm_MortgageInsuranceCoverageRiskInForceInsuranceClaimPercentageToBePaidInCashByMortgageInsurer" abstract="false" name="MortgageInsuranceCoverageRiskInForceInsuranceClaimPercentageToBePaidInCashByMortgageInsurer" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_ComponentOfStatutoryMinimumCapitalRequirementPercentageOfUnpaidPrincipalBalanceOfFannieMaeMbsHeldByThirdParties" abstract="false" name="ComponentOfStatutoryMinimumCapitalRequirementPercentageOfUnpaidPrincipalBalanceOfFannieMaeMbsHeldByThirdParties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_ValuationLossGain" abstract="false" name="ValuationLossGain" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_ScheduleofRiskinForceMortgageInsuranceCoveragebyCounterpartyTableTextBlock" abstract="false" name="ScheduleofRiskinForceMortgageInsuranceCoveragebyCounterpartyTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
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  <xs:element id="fnm_DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedSubjectToMasterNettingArrangement" abstract="false" name="DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedSubjectToMasterNettingArrangement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_IncreaseDecreaseInServicerAdvances" abstract="false" name="IncreaseDecreaseInServicerAdvances" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_GuarantyAssetsAndBuyUpsFairValueDisclosure" abstract="false" name="GuarantyAssetsAndBuyUpsFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="fnm_MortgageCommitmentsToPurchaseWholeLoansMember" abstract="true" name="MortgageCommitmentsToPurchaseWholeLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_UpdateAccountingPolicyDomain" abstract="true" name="UpdateAccountingPolicyDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_AdvancesToLendersPolicyTextBlock" abstract="false" name="AdvancesToLendersPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="fnm_FNM_MultifamilyMember" abstract="true" name="FNM_MultifamilyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_FreddieMaccollateralincludedinFannieMaecommingledsecurity" abstract="false" name="FreddieMaccollateralincludedinFannieMaecommingledsecurity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_FairValueSecuritiesRetainedUnconsolidatedPortfolioSecuritizationTrusts" abstract="false" name="FairValueSecuritiesRetainedUnconsolidatedPortfolioSecuritizationTrusts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_SouthwestUnitedStatesMember" abstract="true" name="SouthwestUnitedStatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments" abstract="false" name="DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_MortgageLoansCostBasisAndFairValueAdjustmentsNet" abstract="false" name="MortgageLoansCostBasisAndFairValueAdjustmentsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="fnm_TotalAvailableFundingfromTreasuryPursuanttotheSeniorPreferredStockAgreement" abstract="false" name="TotalAvailableFundingfromTreasuryPursuanttotheSeniorPreferredStockAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_TotalMortgageInsuranceCoverageRiskInForceAsPercentageOfUnpaidPrincipalBalanceInGuarantyBookOfBusiness" abstract="false" name="TotalMortgageInsuranceCoverageRiskInForceAsPercentageOfUnpaidPrincipalBalanceInGuarantyBookOfBusiness" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
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  <xs:element id="fnm_NumberOfLoans60To89DaysPastDuePercentage" abstract="false" name="NumberOfLoans60To89DaysPastDuePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_LoansInMortgagePortfolioLineItems" abstract="true" name="LoansInMortgagePortfolioLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="fnm_RealEstateAcquiredThroughForeclosureFairValueDisclosure" abstract="false" name="RealEstateAcquiredThroughForeclosureFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_Loans30To59DaysPastDuePercentageOfUnpaidPrincipalBalance" abstract="false" name="Loans30To59DaysPastDuePercentageOfUnpaidPrincipalBalance" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
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  <xs:element id="fnm_AggregateFundingReceivedFromUsTreasuryPursuantToSeniorPreferredStockPurchaseAgreement" abstract="false" name="AggregateFundingReceivedFromUsTreasuryPursuantToSeniorPreferredStockPurchaseAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_PreferredStockDividendRateBasisSpreadOnVariableRate" abstract="false" name="PreferredStockDividendRateBasisSpreadOnVariableRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_PMIMortgageInsuranceCompanyMember" abstract="true" name="PMIMortgageInsuranceCompanyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_RecordedInvestmentMortgageLoansHeldForInvestment" abstract="false" name="RecordedInvestmentMortgageLoansHeldForInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="fnm_NetTransfersFromAdvancestoLenderstoLoansHeldforInvestmentofConsolidatedTrusts1" abstract="false" name="NetTransfersFromAdvancestoLenderstoLoansHeldforInvestmentofConsolidatedTrusts1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_UnrecognizedTaxBenefitResultinginTaxCreditsandorNetOperatingLossCarryforward" abstract="false" name="UnrecognizedTaxBenefitResultinginTaxCreditsandorNetOperatingLossCarryforward" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_PreferredStockCovenantCurrentPeriodDebtVSMaximumMortgageAssetsAllowedAtPriorYearEndMaximumRatio" abstract="false" name="PreferredStockCovenantCurrentPeriodDebtVSMaximumMortgageAssetsAllowedAtPriorYearEndMaximumRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
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  <xs:element id="fnm_DepositoryServicerMember" abstract="true" name="DepositoryServicerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_SecuredBorrowingsMember" abstract="true" name="SecuredBorrowingsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
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  <xs:element id="fnm_Loans60To89DaysPastDuePercentageOfUnpaidPrincipalBalance" abstract="false" name="Loans60To89DaysPastDuePercentageOfUnpaidPrincipalBalance" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_LiabilityToTreasuryRelatedToIncreaseInSingleFamilyGuarantyFeeResultingFromTemporaryPayrollTaxCutContinuationActOf2011" abstract="false" name="LiabilityToTreasuryRelatedToIncreaseInSingleFamilyGuarantyFeeResultingFromTemporaryPayrollTaxCutContinuationActOf2011" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_AvailableForSaleDebtSecuritiesWeightedAverageYield" abstract="false" name="AvailableForSaleDebtSecuritiesWeightedAverageYield" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_DeferredTaxAssetsUnrealizedGainsOnAvailableForSaleSecuritiesNet" abstract="false" name="DeferredTaxAssetsUnrealizedGainsOnAvailableForSaleSecuritiesNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_ThreeMajorLendersMember" abstract="true" name="ThreeMajorLendersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_FinancingReceivableModificationsAverageTermExtension" abstract="false" name="FinancingReceivableModificationsAverageTermExtension" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="fnm_SeriesSPreferredStockMember" abstract="true" name="SeriesSPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_AppraisalsMember" abstract="true" name="AppraisalsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_SeniorFloatingConnecticutAvenueSecurityMember" abstract="true" name="SeniorFloatingConnecticutAvenueSecurityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_RadianGuarantyIncMember" abstract="true" name="RadianGuarantyIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011" abstract="false" name="SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_AdvancesToLendersFairValueDisclosure" abstract="false" name="AdvancesToLendersFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_ComponentOfCriticalCapitalRequirementPercentageOfUnpaidPrincipalBalanceOfFannieMaeMbsHeldByThirdParties" abstract="false" name="ComponentOfCriticalCapitalRequirementPercentageOfUnpaidPrincipalBalanceOfFannieMaeMbsHeldByThirdParties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_NettingArrangementsTextBlock" abstract="false" name="NettingArrangementsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="fnm_SeniorFloatingOtherDebtMember" abstract="true" name="SeniorFloatingOtherDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_EstimatedMarkToMarketLoanToValueRatioGreaterThan80PercentAndLessThanOrEqualTo90PercentMember" abstract="true" name="EstimatedMarkToMarketLoanToValueRatioGreaterThan80PercentAndLessThanOrEqualTo90PercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedSubjectToMasterNettingArrangements" abstract="false" name="DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedSubjectToMasterNettingArrangements" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_PrimaryMortgageInsuranceCoverageRiskInForce" abstract="false" name="PrimaryMortgageInsuranceCoverageRiskInForce" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_TwoYearMaturityUSTreasuryRateMember" abstract="true" name="TwoYearMaturityUSTreasuryRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_MortgageInsuranceCoverageRiskInForce" abstract="false" name="MortgageInsuranceCoverageRiskInForce" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_SeriesRPreferredStockMember" abstract="true" name="SeriesRPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_FairValueGainsLossesNet" abstract="false" name="FairValueGainsLossesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_CommonSecuritizationSolutionsMember" abstract="true" name="CommonSecuritizationSolutionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_ConversionStockConversionRate" abstract="false" name="ConversionStockConversionRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="fnm_EarlyLenderFundingAdvancesMaximumTerm" abstract="false" name="EarlyLenderFundingAdvancesMaximumTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="fnm_ConvertibleSeries20041PreferredStockMember" abstract="true" name="ConvertibleSeries20041PreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_PrincipalAmountOutstandingOfLoansHeldForInvestment" abstract="false" name="PrincipalAmountOutstandingOfLoansHeldForInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_InternalModelMember" abstract="true" name="InternalModelMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_InsuranceServiceProviderConcentrationRiskMember" abstract="true" name="InsuranceServiceProviderConcentrationRiskMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_PaymentOfCashDividendsOnSeniorPreferredStockToTreasury" abstract="false" name="PaymentOfCashDividendsOnSeniorPreferredStockToTreasury" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsWeightedAverageYield" abstract="false" name="AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsWeightedAverageYield" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_ServiceProvidersDomain" abstract="true" name="ServiceProvidersDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_SeriesTPreferredStockMember" abstract="true" name="SeriesTPreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_ComponentOfStatutoryMinimumCapitalRequirementPercentageOfOnBalanceSheetAssetsExceptThoseUnderlyingFannieMaeMbsHeldByThirdParties" abstract="false" name="ComponentOfStatutoryMinimumCapitalRequirementPercentageOfOnBalanceSheetAssetsExceptThoseUnderlyingFannieMaeMbsHeldByThirdParties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="fnm_DiscountedCashFlowWithInputsMember" abstract="true" name="DiscountedCashFlowWithInputsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_CreditEnhancementExpense" abstract="false" name="CreditEnhancementExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="fnm_AllowanceForLoansRedesignatedFromHFIToHFSMember" abstract="true" name="AllowanceForLoansRedesignatedFromHFIToHFSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_SeniorPreferredStockSharesOutstanding" abstract="false" name="SeniorPreferredStockSharesOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="fnm_OriginalLoanToValueRatioGreaterThanEightyPercentMember" abstract="true" name="OriginalLoanToValueRatioGreaterThanEightyPercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_ScheduleOfRiskCharacteristicsGuarantyBookOfBusinessTableTextBlock" abstract="false" name="ScheduleOfRiskCharacteristicsGuarantyBookOfBusinessTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="fnm_SeniorFixedMediumTermNotesMember" abstract="true" name="SeniorFixedMediumTermNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_EarlierOfContractualMaturityOrNextCallDateMember" abstract="true" name="EarlierOfContractualMaturityOrNextCallDateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_NonconsolidatedFannieMaesecuritiesMember" abstract="true" name="NonconsolidatedFannieMaesecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="fnm_FairValueInputsBasisSpread" abstract="false" name="FairValueInputsBasisSpread" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
</xs:schema>
