Medicare Advantage Hits 32.8M Enrollees, 54% of Spending

AJMC August 12, 2024
Brooke McCormick

Medicare Advantage (MA) enrollment has grown to 32.8 million in 2024, representing 54% of total Medicare spending, with significant variation in enrollment across states and counties.

This year, 32.8 million people enrolled in a Medicare Advantage (MA) plan, accounting for $462 billion (54%) of total Medicare spending, according to an analysis by KFF.¹

MA enrollment has been steadily rising for the past 2 decades following the implementation of the Medicare Prescription Drug, Improvement, and Modernization Act (MMA) of 2003, which created stronger financial incentives for plans to participate and renamed private Medicare plans MA.² Consequently, the number of MA enrollees increased from 8 million in 2007 to 32.8 million in 2024.¹

MA enrollment growth is due to various factors, including...

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