Alabama, Hawaii and Michigan have the highest share of Medicare-eligible residents enrolled in Medicare Advantage plans in 2023, while Alaska has the least, according to an Aug. 9 report from KFF.
The national rate is 51 percent. In Puerto Rico, 94 percent of Medicare members are enrolled in Medicare Advantage.
KFF noted that MA penetration rates can vary widely within individual states. In Florida, penetration rates range from 20 percent in Key West to 79 percent in Miami-Dade County.
States ranked by percentage of Medicare beneficiaries enrolled in an MA plan:
Alabama: 60 percent
Hawaii: 60 percent
Michigan: 60 percent
Connecticut: 59 percent
Maine: 59 percent
Florida: 58 percent
Oregon: 57 percent
Louisiana: 56 percent
Georgia: 56 percent
Rhode Island: 56 percent
California: 55 percent
Texas: 55 percent
Minnesota: 55 percent
North Carolina: 55 percent
Nevada: 54 percent
Colorado: 54 percent
Missouri: 54 percent
Tennessee: 54 percent
Wisconsin: 54 percent
Ohio: 54 percent
Pennsylvania: 54 percent
New York: 54 percent
Utah: 53 percent
Arizona: 53 percent
Kentucky: 53 percent
New Mexico: 52 percent
Washington: 49 percent
Indiana: 49 percent
West Virginia: 49 percent
Idaho: 48 percent
Arkansas: 44 percent
South Carolina: 44 percent
New Jersey: 43 percent
Oklahoma: 40 percent
Mississippi: 40 percent
Illinois: 39 percent
Virginia: 38 percent
Washington, D.C: 37 percent
New Hampshire: 36 percent
Iowa: 34 percent
Massachusetts: 33 percent
Kansas: 32 percent
Vermont: 32 percent
Delaware: 31 percent
Nebraska: 29 percent
Montana: 28 percent
Maryland: 24 percent
South Dakota: 16 percent
North Dakota: 15 percent
Wyoming: 11 percent
Alaska: 2 percent