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  <xs:element id="psa_EarningsBeforeInterestTaxesDepreciationAndAmortizationToInterestExpenseRatio" abstract="false" name="EarningsBeforeInterestTaxesDepreciationAndAmortizationToInterestExpenseRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
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  <xs:element id="psa_ForwardContractIndexedToEquitySettlementForFutureIssuanceAmount" abstract="false" name="ForwardContractIndexedToEquitySettlementForFutureIssuanceAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="psa_HughesOwnedCanadianFacilitiesMember" abstract="true" name="HughesOwnedCanadianFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="psa_IncrementalCommonSharesAttributableToDilutiveEffectOfNoncontrollingInterestShares" abstract="false" name="IncrementalCommonSharesAttributableToDilutiveEffectOfNoncontrollingInterestShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
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  <xs:element id="psa_RepairsAndMaintenanceMember" abstract="true" name="RepairsAndMaintenanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="psa_MarketingMember" abstract="true" name="MarketingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="psa_IndirectCostOfOperations" abstract="false" name="IndirectCostOfOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="psa_TenantIndividualInsuranceLimitMaximum" abstract="false" name="TenantIndividualInsuranceLimitMaximum" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="psa_ThirdPartyInsuranceCoverageForClaimsPaidForIndividualEventLimit" abstract="false" name="ThirdPartyInsuranceCoverageForClaimsPaidForIndividualEventLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="psa_TenantCertificateHoldersParticipatingIndividualInsuranceProgram" abstract="false" name="TenantCertificateHoldersParticipatingIndividualInsuranceProgram" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="psa_AggregateCoverageOfTenantsParticipating" abstract="false" name="AggregateCoverageOfTenantsParticipating" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="psa_NumberOfSelfStorageFacilitiesToBeAcquired" abstract="false" name="NumberOfSelfStorageFacilitiesToBeAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="psa_NumberOfStatesWithSelfStorageFacilitiesToBeAcquired" abstract="false" name="NumberOfStatesWithSelfStorageFacilitiesToBeAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="psa_SaleOfStockExpectedConsiderationOnTransaction" abstract="false" name="SaleOfStockExpectedConsiderationOnTransaction" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
