"Years","1967","1968","1969","1970","1971","1972","1973","1974","1975","1976","1977","1978","1979","1980","1981","1982","1983","1984","1985","1986","1987","1988","1989","1990","1991","1992","1993","1994","1995","1996","1997","1998","1999","2000","2001","2002","2003","2004","2005","2006","2007","2008","2009","2010","2011","2012","2013","2014","2015","2016","2017","2018","2019","2020","2021","2022" "Medicare enrollment (People)","19348000","19739000","20034000","20398000","20747000","21151000","23355000","24077000","24864000","25639000","26396000","27110000","27818000","28433000","28959000","29485000","30004000","30488000","31081000","31722000","32401000","32993000","33622000","34251000","34929000","35629000","36345000","36973000","37594000","38121000","38514000","38889000","39188000","39688000","40103000","40508000","41188000","41902000","42606000","43436000","44368000","45500000","46604000","47720000","48896000","50874000","52504000","54115000","55589000","57073000","58683000","60020000","61526000","62887000","63974000","65042000" " By type of enrollment",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, " Part A (Hospital Insurance) (People)","19207000","19508000","19793000","20104000","20427000","20779000","22980000","23700000","24481000","25252000","26004000","26716000","27394000","28002000","28526000","29031000","29558000","30019000","30621000","31248000","31875000","32413000","33049000","33747000","34463000","35176000","35914000","36559000","37175000","37701000","38099000","38472000","38766000","39257000","39669000","40065000","40738000","41485000","42233000","43065000","44010000","45150000","46256000","47365000","48549000","50540000","52169000","53777000","55246000","56729000","58344000","59677000","61178000","62543000","63621000","64679000" " Part B (Medical Insurance) (People)","17874000","18452000","19057000","19496000","19845000","20234000","22311000","22967000","23744000","24496000","25235000","25939000","26642000","27278000","27832000","28329000","28842000","29311000","29869000","30462000","31064000","31552000","32041000","32567000","33192000","33859000","34541000","35103000","35641000","36104000","36445000","36756000","37022000","37335000","37667000","37982000","38584000","39123000","39752000","40361000","41093000","41975000","42908000","43882000","44917000","46477000","47952000","49413000","50756000","52094000","53446000","54679000","56019000","57320000","58383000","59491000" " Part C (Private Insurer-Provided Medicare) (People)",,,,,,,,,,,,,,,,,,,"1271000",,,,,"2017000",,,,,"3467000",,,,,"6856000",,,,,"5794000","7291000","8667000","10010000","11104000","11693000","12383000","13587000","14843000","16244000","17495000","18393000","19817000","21338000","22950000","25075000","27548000","29845000" " Part D (Outpatient Prescription Drug Insurance) (People)","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","0","1841000","30560000","31392000","32589000","33644000","34772000","35720000","37448000","39103000","40499000","41786000","43198000","44475000","45794000","47165000","48679000","49950000","51370000" "Sources:" ,"Agency","Source","Table","Url","Direct Link","Updated","Update Schedule" ,"Centers for Medicare & Medicaid Services","Annual Medicare Trustees Report, Table V.B3","Table V.B3. — Medicare Enrollment","https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/ReportsTrustFunds/index.html","https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/ReportsTrustFunds/Downloads/TR2019.pdf","2020","Annual" "Exported on: 03/28/2024"