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    • CMS Program Statistics - Medicare Total Enrollment

    Metadata Updated: December 11, 2025

    The CMS Program Statistics - Medicare Total Enrollment tables provide data on characteristics of the Medicare-covered populations. 

    For additional information on enrollment, providers, and Medicare use and payment, visit the CMS Program Statistics page.

    Below is the list of tables:

    MDCR ENROLL AB 1.  Total Medicare Enrollment:  Total, Original Medicare, and Medicare Advantage and Other Health Plan Enrollment, Yearly Trend
MDCR ENROLL AB 2.  Total Medicare Enrollment:  Total, Original Medicare, Medicare Advantage and Other Health Plan Enrollment, and Resident Population, by Area of Residence
MDCR ENROLL AB 3.  Total Medicare Enrollment:  Part A and/or Part B Total, Aged, and Disabled Enrollees, Yearly Trend
MDCR ENROLL AB 4.  Total Medicare Enrollment: Part A and/or Part B Enrollees, by Age Group, Yearly Trend
MDCR ENROLL AB 5.  Total Medicare Enrollment:  Part A and/or Part B Enrollees, by Demographic Characteristics
MDCR ENROLL AB 6.  Total Medicare Enrollment:  Part A and/or Part B Enrollees, by Type of Entitlement and Demographic Characteristics
MDCR ENROLL AB 7.  Total Medicare Enrollment:  Part A and/or Part B Total, Aged, and Disabled Enrollees, by Area of Residence
MDCR ENROLL AB 8.  Total Medicare Enrollment:  Part A and/or Part B Enrollees, by Type of Entitlement and Area of Residence

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    References

    https://data.cms.gov/resources/cms-program-statistics-methodology

    Dates

    Metadata Created Date January 25, 2022
    Metadata Updated Date December 11, 2025
    Data Update Frequency R/P1Y

    Metadata Source

    Harvested from Healthdata.gov

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 25, 2022
    Metadata Updated Date December 11, 2025
    Publisher Centers for Medicare & Medicaid Services
    Maintainer
    Identifier https://data.cms.gov/data-api/v1/dataset/33be6c15-765c-424a-a2bf-a152d79dbd30/data-viewer
    Data First Published 2025-12-09
    Language en-US
    Data Last Modified 2025-09-30
    Category Medicare
    Public Access Level public
    Data Update Frequency R/P1Y
    Bureau Code 009:38
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://healthdata.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Data Quality True
    Data Dictionary https://data.cms.gov/resources/cms-program-statistics-glossary
    Harvest Object Id 5453d605-ef97-4da0-88ed-590cc81c793d
    Harvest Source Id 651e43b2-321c-4e4c-b86a-835cfc342cb0
    Harvest Source Title Healthdata.gov
    Homepage URL https://data.cms.gov/summary-statistics-on-beneficiary-enrollment/medicare-and-medicaid-reports/cms-program-statistics-medicare-total-enrollment
    License https://www.usa.gov/government-works
    Program Code 009:000
    Related Documents https://data.cms.gov/resources/cms-program-statistics-methodology
    Source Datajson Identifier True
    Source Hash 454bdd2563911904f4c4791f98eb1164df01fbce562657e46b7ff589c00bdf6f
    Source Schema Version 1.1
    Temporal 2013-01-01/2023-12-31

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