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    <filerInfo>
      <registrantType>RMIC</registrantType>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0000063091</cik>
          <ccc>XXXXXXXX</ccc>
          <!--Field: Pseudo-Tag; ID: Name; Data:-->
        </issuerCredentials>
      </filer>
      <flags>
        <overrideInternetFlag>false</overrideInternetFlag>
        <confirmingCopyFlag>false</confirmingCopyFlag>
      </flags>
      <investmentCompanyType>N-1A</investmentCompanyType>
      <periodOfReport>06/30/2024</periodOfReport>
    </filerInfo>
    <seriesClass>
      <reportSeriesClass>
        <rptSeriesClassInfo>
          <seriesId>S000000696</seriesId>
          <!--Field: Pseudo-Tag; ID: Series Name; Data: Massachusetts Investors Trust-->
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            <classId>C000002046</classId>
            <!--Field: Pseudo-Tag; ID: Class Name; Data: R1-->
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            <classId>C000002048</classId>
            <!--Field: Pseudo-Tag; ID: Class Name; Data: R2-->
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          <classInfo>
            <classId>C000002049</classId>
            <!--Field: Pseudo-Tag; ID: Class Name; Data: R3-->
          </classInfo>
          <classInfo>
            <classId>C000113374</classId>
            <!--Field: Pseudo-Tag; ID: Class Name; Data: R6-->
          </classInfo>
        </rptSeriesClassInfo>
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  <formData>
    <coverPage>
      <yearOrQuarter>YEAR</yearOrQuarter>
      <reportCalendarYear>2024</reportCalendarYear>
      <reportingPerson>
        <name>MASSACHUSETTS INVESTORS TRUST</name>
        <phoneNumber>617-954-5000</phoneNumber>
        <address>
          <com:street1>111 Huntington Ave</com:street1>
          <com:street2>21St Floor</com:street2>
          <com:city>Boston</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02199</com:zipCode>
        </address>
      </reportingPerson>
      <reportInfo>
        <reportType>FUND VOTING REPORT</reportType>
      </reportInfo>
      <fileNumber>811-00203</fileNumber>
      <reportingSecFileNumber>811-00203</reportingSecFileNumber>
      <leiNumber>AJBT5D8OO5U653H85K80</leiNumber>
      <explanatoryInformation>
        <explanatoryChoice>Y</explanatoryChoice>
        <explanatoryNotes>"There may be instances in this report where a voting instruction is not included for a ballot item at a meeting. This typically occurs when the item is not an item for which a vote is requested (e.g., the receipt of a report by the company's management or board or the opening or closing of the meeting)."</explanatoryNotes>
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      <otherIncludedManagersCount>0</otherIncludedManagersCount>
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        <seriesReports>
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          <nameOfSeries>Massachusetts Investors Trust</nameOfSeries>
          <leiOfSeries>AJBT5D8OO5U653H85K80</leiOfSeries>
        </seriesReports>
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    </seriesPage>
    <signaturePage>
      <reportingPerson>MASSACHUSETTS INVESTORS TRUST</reportingPerson>
      <txSignature>David DiLorenzo</txSignature>
      <txPrintedSignature>David DiLorenzo</txPrintedSignature>
      <txTitle>President and Principal Executive Officer</txTitle>
      <txAsOfDate>08/27/2024</txAsOfDate>
    </signaturePage>
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