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  <xs:element id="alit_DisposalGroupIncludingDiscontinuedOperationContingentConsiderationAggregatePrincipalAmount" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationContingentConsiderationAggregatePrincipalAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_DisposalGroupIncludingDiscontinuedOperationContingentConsiderationAggregatePrincipalAmountFairValue" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationContingentConsiderationAggregatePrincipalAmountFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_DisposalGroupIncludingDiscontinuedOperationConsiderationStatedInterestRate" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationConsiderationStatedInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alit_DisposalGroupIncludingDiscontinuedOperationTransitionServicesAgreementInitialPeriod" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationTransitionServicesAgreementInitialPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alit_DisposalGroupIncludingDiscontinuedOperationTransitionServicesAgreementOptionToExtend" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationTransitionServicesAgreementOptionToExtend" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alit_DisposalGroupIncludingDiscontinuedOperationConsiderationTransitionServicesAgreementIncome" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationConsiderationTransitionServicesAgreementIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_DisposalGroupIncludingDiscontinuedOperationConsiderationTransitionServicesAgreementPassThroughCosts" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationConsiderationTransitionServicesAgreementPassThroughCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortizationBeforeGrossProfit" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortizationBeforeGrossProfit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpenseNet" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpenseNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_CommissionsReceivableCurrent" abstract="false" name="CommissionsReceivableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_CommissionsReceivableNoncurrent" abstract="false" name="CommissionsReceivableNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_OtherFinancialDataTable" abstract="true" name="OtherFinancialDataTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="alit_OtherFinancialDataLineItems" abstract="true" name="OtherFinancialDataLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alit_OtherAssetsConsiderationReceivableSellerNote" abstract="false" name="OtherAssetsConsiderationReceivableSellerNote" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_TaxReceivableAgreementLiabilityCurrent" abstract="false" name="TaxReceivableAgreementLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_ScheduleOfIntangibleAssetsOtherThanGoodwillTable" abstract="true" name="ScheduleOfIntangibleAssetsOtherThanGoodwillTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="alit_CustomerRelatedAndContractBasedIntangiblesMember" abstract="true" name="CustomerRelatedAndContractBasedIntangiblesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_ScheduleOfIntangibleAssetsOtherThanGoodwillLineItems" abstract="true" name="ScheduleOfIntangibleAssetsOtherThanGoodwillLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alit_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" abstract="false" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_SeventhIncrementalTermLoansMember" abstract="true" name="SeventhIncrementalTermLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_AmendedRevolvingCreditFacilityMember" abstract="true" name="AmendedRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_AmendedTermLoanMember" abstract="true" name="AmendedTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_UnusedLettersOfCredit" abstract="false" name="UnusedLettersOfCredit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_LongTermDebtMaturityAfterYearFour" abstract="false" name="LongTermDebtMaturityAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_CommonClassBOneUnitsMember" abstract="true" name="CommonClassBOneUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_CommonClassBTwoUnitsMember" abstract="true" name="CommonClassBTwoUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_CommonClassBThreeMember" abstract="true" name="CommonClassBThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_CommonClassZUnitsMember" abstract="true" name="CommonClassZUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_ClassAUnitsMember" abstract="true" name="ClassAUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_CommonStockNumberOfVotesPerShare" abstract="false" name="CommonStockNumberOfVotesPerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alit_IssuanceOfCommonUnits" abstract="false" name="IssuanceOfCommonUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="alit_NumberOfCommonStockInstruments" abstract="false" name="NumberOfCommonStockInstruments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alit_CommonStockConvertibleConversionRatio" abstract="false" name="CommonStockConvertibleConversionRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="alit_CommonStockSharesConvertibleStockPriceTrigger" abstract="false" name="CommonStockSharesConvertibleStockPriceTrigger" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="alit_CommonStockSharesConvertibleThresholdTradingDays" abstract="false" name="CommonStockSharesConvertibleThresholdTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alit_CommonStockSharesConvertibleThresholdConsecutiveTradingDays" abstract="false" name="CommonStockSharesConvertibleThresholdConsecutiveTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alit_CommonStockSharesConvertibleStockValuationPriceOnDilutedBasis" abstract="false" name="CommonStockSharesConvertibleStockValuationPriceOnDilutedBasis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="alit_StockholdersEquityHeldByNonControllingInterest" abstract="false" name="StockholdersEquityHeldByNonControllingInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="alit_CommonUnitsConversionRatio" abstract="false" name="CommonUnitsConversionRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="alit_CommonClassAUnitsMember" abstract="true" name="CommonClassAUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_CommonClassB1Member" abstract="true" name="CommonClassB1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_CommonClassB2Member" abstract="true" name="CommonClassB2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_StockIssuedDuringPeriodSharesConversionOfNoncontrollingInterest" abstract="false" name="StockIssuedDuringPeriodSharesConversionOfNoncontrollingInterest" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="alit_TwoThousandTwentyOneOmnibusIncentivePlanMember" abstract="true" name="TwoThousandTwentyOneOmnibusIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_EmployeeStockPurchasePlanMember" abstract="true" name="EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_TimeBasedRestrictedStockUnitsMember" abstract="true" name="TimeBasedRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_PerformanceBasedRestrictedStockUnitsPRSUsMember" abstract="true" name="PerformanceBasedRestrictedStockUnitsPRSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_RestrictedStockUnitsRSUAndPerformanceBasedRestrictedStockUnitsPRSUsMember" abstract="true" name="RestrictedStockUnitsRSUAndPerformanceBasedRestrictedStockUnitsPRSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_PercentageOfUnitsGrantedSubjectToVestingRequirements" abstract="false" name="PercentageOfUnitsGrantedSubjectToVestingRequirements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alit_ShareBasedCompensationArrangementByShareBasedPaymentAwardStockPlanPaymentPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardStockPlanPaymentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alit_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfPayrollDeductionToPurchaseCommonStock" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfPayrollDeductionToPurchaseCommonStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alit_IncomeImpactOfConversionOfNoncontrollingInterest" abstract="false" name="IncomeImpactOfConversionOfNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_EarningsPerShareBasicAndDilutedDisclosuresAbstract" abstract="true" name="EarningsPerShareBasicAndDilutedDisclosuresAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alit_DilutiveEffectOfTheExchangeOfNoncontrollingInterestUnits" abstract="false" name="DilutiveEffectOfTheExchangeOfNoncontrollingInterestUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="alit_SellerEarnoutsMember" abstract="true" name="SellerEarnoutsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_EmployerSolutionsSegmentMember" abstract="true" name="EmployerSolutionsSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_RecurringMember" abstract="true" name="RecurringMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_ProjectsMember" abstract="true" name="ProjectsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_DeliveryCustomerCareAndOtherMember" abstract="true" name="DeliveryCustomerCareAndOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_MarchTwoThousandAndTwentyTwoTermLoanMember" abstract="true" name="MarchTwoThousandAndTwentyTwoTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_MarchTwoThousandAndTwentyThreeTermLoanOneMember" abstract="true" name="MarchTwoThousandAndTwentyThreeTermLoanOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_MarchTwoThousandAndTwentyThreeTermLoanTwoMember" abstract="true" name="MarchTwoThousandAndTwentyThreeTermLoanTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_DerivativeInstrumentInitialNotionalAmount" abstract="false" name="DerivativeInstrumentInitialNotionalAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_SellerEarnoutsLiabilityMember" abstract="true" name="SellerEarnoutsLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_CommonClassZAMember" abstract="true" name="CommonClassZAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_SellerEarnoutsPeriodToReceiveEarnOutShares" abstract="false" name="SellerEarnoutsPeriodToReceiveEarnOutShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alit_FinancialInstrumentsSubjectToMandatoryRedemptionSettlementTermsSellerEarnOutFairValueOfShares" abstract="false" name="FinancialInstrumentsSubjectToMandatoryRedemptionSettlementTermsSellerEarnOutFairValueOfShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_LossGainFromChangeInFairValueOfSellerEarnouts" abstract="false" name="LossGainFromChangeInFairValueOfSellerEarnouts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_BusinessCombinationContingentConsiderationLiabilityExpectedHoldingPeriod" abstract="false" name="BusinessCombinationContingentConsiderationLiabilityExpectedHoldingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alit_EquityInstrumentsContingentConsiderationLiabilityFairValueDisclosure" abstract="false" name="EquityInstrumentsContingentConsiderationLiabilityFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_OtherAssetsConsiderationReceivableSellerNoteFairValue" abstract="false" name="OtherAssetsConsiderationReceivableSellerNoteFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_AdditionalSellerNoteMeasurementBasis" abstract="false" name="AdditionalSellerNoteMeasurementBasis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alit_TaxReceivableAgreementLiabilityMember" abstract="true" name="TaxReceivableAgreementLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_TaxReceivableAgreementLiabilityDiscountedMember" abstract="true" name="TaxReceivableAgreementLiabilityDiscountedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_TaxReceivableAgreementLiabilityUndiscountedMember" abstract="true" name="TaxReceivableAgreementLiabilityUndiscountedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_EffectiveIncomeTaxRateReconciliationFederalStateAndLocalIncomeTaxRate" abstract="false" name="EffectiveIncomeTaxRateReconciliationFederalStateAndLocalIncomeTaxRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alit_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityConversionOfNoncontrollingInterest" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityConversionOfNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_TaxReceivableAgreementObligationsPaid" abstract="false" name="TaxReceivableAgreementObligationsPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_TaxReceivableAgreementObligationsPotentialIncreaseToPayments" abstract="false" name="TaxReceivableAgreementObligationsPotentialIncreaseToPayments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityFairValuePremeasurement" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityFairValuePremeasurement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_TaxReceivableAgreementObligationsCurrent" abstract="false" name="TaxReceivableAgreementObligationsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_AdditionalSellerNoteFairValueDisclosure" abstract="false" name="AdditionalSellerNoteFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_SellerEarnoutsLiabilityFairValueDisclosure" abstract="false" name="SellerEarnoutsLiabilityFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_TaxReceivableAgreementLiabilityFairValueDisclosure" abstract="false" name="TaxReceivableAgreementLiabilityFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_FairValueAssetLevel2ToLevel1TransfersAmount" abstract="false" name="FairValueAssetLevel2ToLevel1TransfersAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_FairValueLiabilitiesLevel2ToLevel1TransferAmount" abstract="false" name="FairValueLiabilitiesLevel2ToLevel1TransferAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_FairValueAssetLevel1ToLevel2TransfersAmount" abstract="false" name="FairValueAssetLevel1ToLevel2TransfersAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_FairValueLiabilitiesTransfersAmountLevel1ToLevel2" abstract="false" name="FairValueLiabilitiesTransfersAmountLevel1ToLevel2" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_TwoYearStrategicTransformationRestructuringProgramMember" abstract="true" name="TwoYearStrategicTransformationRestructuringProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_ManagementInitiatedRestructuringAndIntegrationPlanMember" abstract="true" name="ManagementInitiatedRestructuringAndIntegrationPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_PostSeparationPlanMember" abstract="true" name="PostSeparationPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_RestructuringAndRelatedActivitiesEstimatedCompletionPeriod" abstract="false" name="RestructuringAndRelatedActivitiesEstimatedCompletionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alit_RestructuringAndRelatedActivitiesEstimatedAnnualSavings" abstract="false" name="RestructuringAndRelatedActivitiesEstimatedAnnualSavings" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_TransformationProgramMember" abstract="true" name="TransformationProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_CommitmentAndContingenciesTable" abstract="true" name="CommitmentAndContingenciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="alit_PurchaseObligationsMember" abstract="true" name="PurchaseObligationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_ServiceObligationMember" abstract="true" name="ServiceObligationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alit_CommitmentAndContingenciesLineItems" abstract="true" name="CommitmentAndContingenciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alit_PurchaseObligationToBePaidAfterYearThree" abstract="false" name="PurchaseObligationToBePaidAfterYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alit_ContractualObligationToBePaidThereafter" abstract="false" name="ContractualObligationToBePaidThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
