Medicare Advantage share
The percentage of people with full Medicare coverage who chose a Medicare Advantage plan. These are private insurance plans that take the place of traditional Medicare. About half of all people on Medicare now have one. Before 2014 it counts anyone in a plan at any time in the year; from 2014, anyone in a plan all year.
Reported for3,127areas, in 51 states — none in PR
Link to density0.46not mostly about how urban a place is
Nearby places alike0.75Moran’s I: strongly, neighbouring places tend to be similar
Typerate% of enrollees
How it has moved
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Every state, every year
One row per state and one column per year, sorted by the latest value. It shows states, not counties: nobody can scan 3,222 rows, and the pattern only shows when it all fits on one screen.
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Where it comes from
CMS Medicare Geographic Variation Public Use File · CMS Medicare Geographic Variation PUF, national/state/county, all ages, MA_PRTCPTN_RATE (EVER_MA_PRTCPTN_RATE in the 2007-2013 file)
The share of people with full Medicare coverage who are in a private Medicare Advantage plan. Combined across areas by the number of people with full Medicare coverage.
Combining areas: an average weighted by MEDICARE.PART_AB_ENROLLEES.
What it goes with
The strongest links that have a page of their own. Unadjusted is the link before adjusting for anything, from −1 (opposite) to +1 (in step). Adjusted compares places with the same population density, income and education levels, so those differences can’t explain the link. This list leaves out the 0 pairs built from the same numbers or the same model as this measure, since they are bound to match.
| Measure | Unadjusted | Adjusted |
|---|---|---|
| Medicare Advantage share and Cholesterol screeningPoints one way across counties (+0.14) and the other across people (-0.19), when bigger places count for more: the average county and the average resident disagree. Cholesterol screening by US county | +0.29 | +0.14 |
| Medicare Advantage share and Vacancy ratePoints one way across counties (+0.13) and the other across people (-0.10), when bigger places count for more: the average county and the average resident disagree. Vacancy rate by US county | -0.16 | +0.13 |
Population makeup
How this measure varies with the racial and ethnic makeup of counties. Every group is shown, whatever its rank. These are links across counties: they describe places, not people. They say nothing about any person’s risk or behaviour based on their race. Counties with a larger share of one group also differ in much else, such as income, segregation, region and history. The adjusted figure only accounts for density, income and education.
| Share of residents | Unadjusted | Adjusted |
|---|---|---|
| Medicare Advantage share and Share White, not HispanicCould easily be chance once only places with similar density, income and education are compared. Share White, not Hispanic by US county | -0.15 | -0.03 |
| Medicare Advantage share and Share Black, not HispanicCould easily be chance once only places with similar density, income and education are compared. Share Black, not Hispanic by US county | +0.22 | +0.07 |
| Medicare Advantage share and Share Hispanic or Latino, any raceCould easily be chance once only places with similar density, income and education are compared. Share Hispanic or Latino, any race by US county | +0.02 | +0.06 |
| Medicare Advantage share and Share Asian, not HispanicCould easily be chance once only places with similar density, income and education are compared. Share Asian, not Hispanic by US county | +0.06 | -0.02 |
| Medicare Advantage share and Share American Indian or Alaska Native, not HispanicWhere Medicare Advantage share is higher, Share American Indian or Alaska Native, not Hispanic tends to be lower: a weak link that holds when only places with similar density, income and education are compared. Share American Indian or Alaska Native, not Hispanic by US county | -0.28 | -0.20 |
Highest and lowest
Of 3,127 counties reporting it. These are the two ends of a national ranking. For most measures, that ranking mostly sorts places by income and how urban they are. That is why the place pages compare each place with similar places instead.
Highest
- Monroe County, NY — 81.3
- Miami-Dade County, FL — 79.7
- Starr County, TX — 79.5
- St. John the Baptist Parish, LA — 79.3
- Ottawa County, MI — 78.6
The middle area reports 45.8. The middle half of counties falls between 33.6 and 56.2 (the 25th to 75th percentile).
US Counties With the Highest Medicare Advantage Shares · US Counties With the Lowest Medicare Advantage Shares
All measures · Explore its pairs · How the US county data works