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    <submissionType>N-CEN</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0000927730</cik>
          <ccc>XXXXXXXX</ccc>
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      <flags>
        <returnCopyFlag>true</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
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      <investmentCompanyType>N-4</investmentCompanyType>
    </filerInfo>
    <seriesClass>
      <reportClass>
        <rptIncludeAllClassesFlag>true</rptIncludeAllClassesFlag>
      </reportClass>
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  </headerData>
  <formData>
    <generalInfo reportEndingPeriod="2018-12-31" isReportPeriodLt12="N"/>
    <registrantInfo>
      <registrantFullName>Jackson National Separate Account - I</registrantFullName>
      <investmentCompFileNo>811-08664</investmentCompFileNo>
      <registrantCik>0000927730</registrantCik>
      <registrantLei>549300H8MFVEDWKY4E72</registrantLei>
      <registrantstreet1>1 Corporate Way</registrantstreet1>
      <registrantcity>Lansing</registrantcity>
      <registrantzipCode>48951</registrantzipCode>
      <registrantstate>US-MI</registrantstate>
      <registrantcountry>US</registrantcountry>
      <registrantphoneNumber>5173815500</registrantphoneNumber>
      <websites>
        <website webpage="N/A"/>
      </websites>
      <locationBooksRecords>
        <locationBooksRecord>
          <officeName>Jackson National Life Insurance Company</officeName>
          <officeAddress1>1 Corporate Way</officeAddress1>
          <officeCity>Lansing</officeCity>
          <officeStateCountry officeState="US-MI" officeCountry="US"/>
          <officeRecordsZipCode>48951</officeRecordsZipCode>
          <officePhone>5173815500</officePhone>
          <booksRecordsDesc>The accounts, books, and other documents required to be maintained by Registrant pursuant to section 31(a) of the Investment Company Act of 1940 and the Rules thereunder.</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>Institutional Marketing Group Service Center</officeName>
          <officeAddress1>1 Corporate Way</officeAddress1>
          <officeCity>Lansing</officeCity>
          <officeStateCountry officeState="US-MI" officeCountry="US"/>
          <officeRecordsZipCode>48951</officeRecordsZipCode>
          <officePhone>5173815500</officePhone>
          <booksRecordsDesc>The accounts, books, and other documents required to be maintained by Registrant pursuant to section 31(a) of the Investment Company Act of 1940 and the Rules thereunder.</booksRecordsDesc>
        </locationBooksRecord>
        <locationBooksRecord>
          <officeName>Jackson National Life Insurance Company</officeName>
          <officeAddress1>225 West Wacker Drive</officeAddress1>
          <officeCity>Chicago</officeCity>
          <officeStateCountry officeState="US-IL" officeCountry="US"/>
          <officeRecordsZipCode>60606</officeRecordsZipCode>
          <officePhone>3123381525</officePhone>
          <booksRecordsDesc>The accounts, books, and other documents required to be maintained by Registrant pursuant to section 31(a) of the Investment Company Act of 1940 and the Rules thereunder.</booksRecordsDesc>
        </locationBooksRecord>
      </locationBooksRecords>
      <isRegistrantFirstFiling>Y</isRegistrantFirstFiling>
      <isRegistrantLastFiling>N</isRegistrantLastFiling>
      <registrantFamilyInvComp isRegistrantFamilyInvComp="Y" familyInvCompFullName="Jackson National Life Insurance Company"/>
      <registrantClassificationType>N-4</registrantClassificationType>
      <isSecuritiesActRegistration>Y</isSecuritiesActRegistration>
      <chiefComplianceOfficers>
        <chiefComplianceOfficer>
          <ccoName>Kristen Thomas</ccoName>
          <crdNumber>002461399</crdNumber>
          <ccoStreet1>1 Corporate Way</ccoStreet1>
          <ccoCity>Lansing</ccoCity>
          <ccoStateCountry ccoState="US-MI" ccoCountry="US"/>
          <ccoZipCode>48951</ccoZipCode>
          <ccoPhone>XXXXXX</ccoPhone>
          <isCcoChangedSinceLastFiling>N</isCcoChangedSinceLastFiling>
          <ccoEmployers>
            <ccoEmployer ccoEmployerName="N/A" ccoEmployerId="N/A"/>
          </ccoEmployers>
        </chiefComplianceOfficer>
      </chiefComplianceOfficers>
      <isRegistrantSubmittedMatter>N</isRegistrantSubmittedMatter>
      <isPreviousLegalProceeding>N</isPreviousLegalProceeding>
      <isPreviousProceedingTerminated>N</isPreviousProceedingTerminated>
      <isFinancialSupportDuringPeriod>N</isFinancialSupportDuringPeriod>
      <isExemptionFromAct>N</isExemptionFromAct>
      <principalUnderwriters>
        <principalUnderwriter>
          <principalUnderwriterName>Jackson National Life Distributors LLC</principalUnderwriterName>
          <principalUnderwriterFileNumber>8-48984</principalUnderwriterFileNumber>
          <principalUnderwriterCrdNumber>000040178</principalUnderwriterCrdNumber>
          <principalUnderwriterLei>N/A</principalUnderwriterLei>
          <principalUnderWriterStateCountry principalUnderWriterState="US-TN" principalUnderWriterCountry="US"/>
          <isPrincipalUnderwriterAffiliatedWithRegistrant>Y</isPrincipalUnderwriterAffiliatedWithRegistrant>
        </principalUnderwriter>
      </principalUnderwriters>
      <isUnderwriterHiredOrTerminated>N</isUnderwriterHiredOrTerminated>
      <publicAccountants>
        <publicAccountant>
          <publicAccountantName>KPMG LLP</publicAccountantName>
          <pcaobNumber>00185</pcaobNumber>
          <publicAccountantLei>5493003PVCIGA21K0K42</publicAccountantLei>
          <publicAccountantStateCountry publicAccountantState="US-IL" publicAccountantCountry="US"/>
        </publicAccountant>
      </publicAccountants>
      <isPublicAccountantChanged>N</isPublicAccountantChanged>
      <isOpinionOffered>N</isOpinionOffered>
      <isMaterialChange>N</isMaterialChange>
      <isAccountingPrincipleChange>N</isAccountingPrincipleChange>
    </registrantInfo>
    <unitInvestmentTrust>
      <depositors>
        <depositor>
          <depositorName>Jackson National Life Insurance Company</depositorName>
          <depositorCrdNo>N/A</depositorCrdNo>
          <depositorLei>8IM72RBRSPXY5ZCXZB30</depositorLei>
          <depositorStateCountry depositorState="US-MI" depositorCountry="US"/>
          <depositorUltimateParentname>Jackson National Life Insurance Company</depositorUltimateParentname>
        </depositor>
      </depositors>
      <uitAdmins>
        <uitAdmin>
          <uitAdminName>Jackson National Asset Management, LLC</uitAdminName>
          <uitAdminLei>5493007VBHOLN7EP1418</uitAdminLei>
          <uitAdminStateCountry uitAdminState="US-IL" uitAdminCountry="US"/>
          <isUitAdminAffiliated>Y</isUitAdminAffiliated>
          <isUitAdminSubAdmin>N</isUitAdminSubAdmin>
        </uitAdmin>
      </uitAdmins>
      <isUitAdminHiredTerminated>N</isUitAdminHiredTerminated>
      <registrantSeparateInsuranceAccount isRegistrantSeparateInsuranceAccount="Y" separateAccountSeriesId="S000010906"/>
      <numOfContracts>1086790</numOfContracts>
      <contractSecurities>
        <contractSecurity separateAccountSecurityName="Jackson Private Wealth                                                                    " separateAccountContractId="C000190625" separateAccountTotalAsset="305484.610000000000" numContractsSold="2" grossPremiumReceived="0.000000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="147.000000000000" contractValueRedeemedSection1035="0.000000000000" numContractsAffectedRedeemed="0"/>
        <contractSecurity separateAccountSecurityName="Curiangard Simplified                                                                     " separateAccountContractId="C000037894" separateAccountTotalAsset="1042137.030000000000" numContractsSold="0" grossPremiumReceived="0.000000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="174136.380000000000" contractValueRedeemedSection1035="145999.000000000000" numContractsAffectedRedeemed="1"/>
        <contractSecurity separateAccountSecurityName="Perspective Rewards                                                                       " separateAccountContractId="C000074188" separateAccountTotalAsset="1122902393.950000000000" numContractsSold="1" grossPremiumReceived="14816373.660000000000" grossPremiumReceivedSection1035="2071172.480000000000" numContractsAffected="19" contractValueRedeemed="140412460.370000000000" contractValueRedeemedSection1035="22879439.620000000000" numContractsAffectedRedeemed="140"/>
        <contractSecurity separateAccountSecurityName="Perspective II (6% CE)                                                                    " separateAccountContractId="C000101314" separateAccountTotalAsset="738318690.750000000000" numContractsSold="0" grossPremiumReceived="1774698.600000000000" grossPremiumReceivedSection1035="396053.750000000000" numContractsAffected="5" contractValueRedeemed="61723227.350000000000" contractValueRedeemedSection1035="11528507.250000000000" numContractsAffectedRedeemed="23"/>
        <contractSecurity separateAccountSecurityName="Perspective L Series (6% CE)                                                              " separateAccountContractId="C000101316" separateAccountTotalAsset="376276548.530000000000" numContractsSold="0" grossPremiumReceived="242233.620000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="35962145.350000000000" contractValueRedeemedSection1035="7051338.410000000000" numContractsAffectedRedeemed="24"/>
        <contractSecurity separateAccountSecurityName="Perspective II (Single Share)                                                             " separateAccountContractId="C000101318" separateAccountTotalAsset="1646445232.350000000000" numContractsSold="0" grossPremiumReceived="9618652.640000000000" grossPremiumReceivedSection1035="368644.200000000000" numContractsAffected="1" contractValueRedeemed="148826609.640000000000" contractValueRedeemedSection1035="24457728.980000000000" numContractsAffectedRedeemed="96"/>
        <contractSecurity separateAccountSecurityName="Perspective Advisors II                                                                   " separateAccountContractId="C000105263" separateAccountTotalAsset="283704719.290000000000" numContractsSold="52" grossPremiumReceived="2709896.180000000000" grossPremiumReceivedSection1035="329610.180000000000" numContractsAffected="3" contractValueRedeemed="30773765.170000000000" contractValueRedeemedSection1035="6422507.180000000000" numContractsAffectedRedeemed="17"/>
        <contractSecurity separateAccountSecurityName="Perspective L Series                                                                      " separateAccountContractId="C000105265" separateAccountTotalAsset="16689898181.700000000000" numContractsSold="0" grossPremiumReceived="199197242.060000000000" grossPremiumReceivedSection1035="14478634.230000000000" numContractsAffected="149" contractValueRedeemed="1756950802.190000000000" contractValueRedeemedSection1035="221583552.400000000000" numContractsAffectedRedeemed="1120"/>
        <contractSecurity separateAccountSecurityName="Elite Access                                                                              " separateAccountContractId="C000106593" separateAccountTotalAsset="16040806478.190000000000" numContractsSold="10244" grossPremiumReceived="1666225077.400000000000" grossPremiumReceivedSection1035="697183866.070000000000" numContractsAffected="4878" contractValueRedeemed="1505807676.930000000000" contractValueRedeemedSection1035="398440643.900000000000" numContractsAffectedRedeemed="1933"/>
        <contractSecurity separateAccountSecurityName="Perspective II                                                                            " separateAccountContractId="C000111406" separateAccountTotalAsset="3528571507.040000000000" numContractsSold="0" grossPremiumReceived="36525350.190000000000" grossPremiumReceivedSection1035="1883085.040000000000" numContractsAffected="22" contractValueRedeemed="282197418.920000000000" contractValueRedeemedSection1035="36868021.170000000000" numContractsAffectedRedeemed="155"/>
        <contractSecurity separateAccountSecurityName="Perspective II                                                                            " separateAccountContractId="C000119140" separateAccountTotalAsset="30737339370.110000000000" numContractsSold="895" grossPremiumReceived="518332625.820000000000" grossPremiumReceivedSection1035="36798373.810000000000" numContractsAffected="460" contractValueRedeemed="1722500386.740000000000" contractValueRedeemedSection1035="117420366.810000000000" numContractsAffectedRedeemed="755"/>
        <contractSecurity separateAccountSecurityName="Perspective                                                                               " separateAccountContractId="C000030215" separateAccountTotalAsset="891863184.960000000000" numContractsSold="173" grossPremiumReceived="26345066.710000000000" grossPremiumReceivedSection1035="946125.040000000000" numContractsAffected="19" contractValueRedeemed="79336814.170000000000" contractValueRedeemedSection1035="13540833.820000000000" numContractsAffectedRedeemed="138"/>
        <contractSecurity separateAccountSecurityName="Perspective II (6% CE)                                                                    " separateAccountContractId="C000119143" separateAccountTotalAsset="1684636017.490000000000" numContractsSold="16" grossPremiumReceived="8117092.340000000000" grossPremiumReceivedSection1035="3498324.910000000000" numContractsAffected="9" contractValueRedeemed="65414219.960000000000" contractValueRedeemedSection1035="6028624.140000000000" numContractsAffectedRedeemed="12"/>
        <contractSecurity separateAccountSecurityName="Perspective II (Single Share)                                                             " separateAccountContractId="C000119145" separateAccountTotalAsset="29662859646.080000000000" numContractsSold="58611" grossPremiumReceived="9663132526.490000000000" grossPremiumReceivedSection1035="1489444293.320000000000" numContractsAffected="8038" contractValueRedeemed="896548734.900000000000" contractValueRedeemedSection1035="26311558.300000000000" numContractsAffectedRedeemed="162"/>
        <contractSecurity separateAccountSecurityName="Elite Access Brokerage Ed.                                                                " separateAccountContractId="C000138207" separateAccountTotalAsset="1372669683.710000000000" numContractsSold="704" grossPremiumReceived="215521597.910000000000" grossPremiumReceivedSection1035="137673297.570000000000" numContractsAffected="562" contractValueRedeemed="29882485.700000000000" contractValueRedeemedSection1035="5148928.130000000000" numContractsAffectedRedeemed="23"/>
        <contractSecurity separateAccountSecurityName="Perspective Advisory                                                                      " separateAccountContractId="C000170421" separateAccountTotalAsset="97023235.600000000000" numContractsSold="0" grossPremiumReceived="1889523.200000000000" grossPremiumReceivedSection1035="329613.480000000000" numContractsAffected="3" contractValueRedeemed="5657672.040000000000" contractValueRedeemedSection1035="270761.900000000000" numContractsAffectedRedeemed="2"/>
        <contractSecurity separateAccountSecurityName="Elite Access Advisory                                                                     " separateAccountContractId="C000173433" separateAccountTotalAsset="126675642.200000000000" numContractsSold="285" grossPremiumReceived="89529334.410000000000" grossPremiumReceivedSection1035="65392360.250000000000" numContractsAffected="218" contractValueRedeemed="2268872.350000000000" contractValueRedeemedSection1035="0.000000000000" numContractsAffectedRedeemed="0"/>
        <contractSecurity separateAccountSecurityName="Perspective Advisory II                                                                   " separateAccountContractId="C000190624" separateAccountTotalAsset="529028380.040000000000" numContractsSold="2336" grossPremiumReceived="530313142.450000000000" grossPremiumReceivedSection1035="116258431.240000000000" numContractsAffected="479" contractValueRedeemed="9095454.100000000000" contractValueRedeemedSection1035="511228.380000000000" numContractsAffectedRedeemed="5"/>
        <contractSecurity separateAccountSecurityName="Defined Strategy                                                                          " separateAccountContractId="C000030216" separateAccountTotalAsset="49919277.320000000000" numContractsSold="3" grossPremiumReceived="620503.390000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="3627695.640000000000" contractValueRedeemedSection1035="894688.450000000000" numContractsAffectedRedeemed="9"/>
        <contractSecurity separateAccountSecurityName="Perspective II                                                                            " separateAccountContractId="C000030217" separateAccountTotalAsset="27487464842.840000000000" numContractsSold="0" grossPremiumReceived="288374592.030000000000" grossPremiumReceivedSection1035="21171865.110000000000" numContractsAffected="199" contractValueRedeemed="4235034304.230000000000" contractValueRedeemedSection1035="729601960.710000000000" numContractsAffectedRedeemed="3863"/>
        <contractSecurity separateAccountSecurityName="Fifth Third Perspective                                                                   " separateAccountContractId="C000030218" separateAccountTotalAsset="32232681.150000000000" numContractsSold="6" grossPremiumReceived="1832044.310000000000" grossPremiumReceivedSection1035="1350377.870000000000" numContractsAffected="1" contractValueRedeemed="3628514.280000000000" contractValueRedeemedSection1035="98370.370000000000" numContractsAffectedRedeemed="5"/>
        <contractSecurity separateAccountSecurityName="Perspective Focus                                                                         " separateAccountContractId="C000030219" separateAccountTotalAsset="43792755.610000000000" numContractsSold="8" grossPremiumReceived="803922.480000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="4690903.220000000000" contractValueRedeemedSection1035="169768.500000000000" numContractsAffectedRedeemed="3"/>
        <contractSecurity separateAccountSecurityName="Perspective Advisors II                                                                   " separateAccountContractId="C000030220" separateAccountTotalAsset="1262138166.040000000000" numContractsSold="0" grossPremiumReceived="16836005.140000000000" grossPremiumReceivedSection1035="233710.950000000000" numContractsAffected="5" contractValueRedeemed="156095327.820000000000" contractValueRedeemedSection1035="24175370.390000000000" numContractsAffectedRedeemed="120"/>
        <contractSecurity separateAccountSecurityName="Perspective L Series                                                                      " separateAccountContractId="C000030222" separateAccountTotalAsset="13823532854.500000000000" numContractsSold="229" grossPremiumReceived="118709986.600000000000" grossPremiumReceivedSection1035="11512268.630000000000" numContractsAffected="76" contractValueRedeemed="1563272455.590000000000" contractValueRedeemedSection1035="200807836.060000000000" numContractsAffectedRedeemed="1004"/>
        <contractSecurity separateAccountSecurityName="Retirement Latitudes                                                                      " separateAccountContractId="C000033251" separateAccountTotalAsset="3538282654.310000000000" numContractsSold="1583" grossPremiumReceived="298054260.540000000000" grossPremiumReceivedSection1035="64828082.620000000000" numContractsAffected="338" contractValueRedeemed="239312400.450000000000" contractValueRedeemedSection1035="31759281.500000000000" numContractsAffectedRedeemed="159"/>
        <contractSecurity separateAccountSecurityName="Elite Access Advisory II" separateAccountContractId="C000205594" separateAccountTotalAsset="0.000000000000" numContractsSold="0" grossPremiumReceived="0.000000000000" grossPremiumReceivedSection1035="0.000000000000" numContractsAffected="0" contractValueRedeemed="0.000000000000" contractValueRedeemedSection1035="0.000000000000" numContractsAffectedRedeemed="0"/>
      </contractSecurities>
      <isRule6C7Reliance>Y</isRule6C7Reliance>
      <isRule11A2Reliance>Y</isRule11A2Reliance>
    </unitInvestmentTrust>
    <signature registrantSignedName="Jackson National Separate Account - I" signedDate="2019-03-15" signature="Daniel W. Koors" title="Principal Financial Officer"/>
  </formData>
</edgarSubmission>
