Timeframe: 2018
Location Medicare Beneficiaries Original Medicare Medicare Advantage
United States 59,869,402 40,008,858 19,860,544
Alabama 1,045,702 654,501 391,201
Alaska 95,483 94,737 746
Arizona 1,279,721 792,963 486,758
Arkansas 646,094 502,380 143,714
California 6,224,832 3,762,104 2,462,728
Colorado 911,645 586,694 324,951
Connecticut 679,355 446,216 233,139
Delaware 201,656 175,265 26,391
District of Columbia 95,334 79,809 15,525
Florida 4,515,510 2,593,338 1,922,172
Georgia 1,721,548 1,113,944 607,604
Hawaii 268,978 148,733 120,245
Idaho 323,878 225,109 98,769
Illinois 2,239,655 1,750,313 489,342
Indiana 1,255,287 903,265 352,022
Iowa 623,427 508,364 115,063
Kansas 533,219 450,288 82,931
Kentucky 931,476 664,989 266,487
Louisiana 867,826 572,878 294,948
Maine 336,322 235,925 100,397
Maryland 1,033,382 915,375 118,007
Massachusetts 1,326,207 1,042,302 283,905
Michigan 2,064,706 1,301,774 762,932
Minnesota 1,017,798 447,910 569,888
Mississippi 606,646 501,276 105,370
Missouri 1,238,715 840,260 398,455
Montana 227,477 188,337 39,140
Nebraska 344,200 298,774 45,426
Nevada 519,060 339,081 179,979
New Hampshire 295,698 260,617 35,081
New Jersey 1,622,531 1,262,994 359,537
New Mexico 417,438 279,122 138,316
New York 3,612,185 2,207,942 1,404,243
North Carolina 1,966,306 1,322,690 643,616
North Dakota 130,019 107,887 22,132
Ohio 2,330,935 1,469,964 860,971
Oklahoma 742,936 608,007 134,929
Oregon 856,072 484,589 371,483
Pennsylvania 2,725,053 1,625,172 1,099,881
Rhode Island 219,877 139,089 80,788
South Carolina 1,051,955 786,270 265,685
South Dakota 174,017 140,854 33,163
Tennessee 1,351,535 855,439 496,096
Texas 4,090,568 2,632,035 1,458,533
Utah 389,765 254,031 135,734
Vermont 145,853 132,287 13,566
Virginia 1,512,729 1,238,748 273,981
Washington 1,346,185 932,997 413,188
West Virginia 443,870 326,613 117,257
Wisconsin 1,161,080 699,652 461,428
Wyoming 107,656 104,955 2,701
American Samoa 6,736 6,725 11
Guam 16,995 16,995 –
Northern Mariana Islands N/A N/A N/A
Puerto Rico 793,055 230,297 562,758
Virgin Islands 20,857 20,825 32

Source:  Kaiser Family Foundation