KFF July 28, 2025
Enrollment in Medicare Advantage, the private plan alternative to traditional Medicare, has increased steadily over the past two decades, with more than half of eligible beneficiaries enrolled in Medicare Advantage since 2023. The growth in enrollment has implications for federal spending, because according to the Medicare Payment Advisory Commission (MedPAC), Medicare payments to private plans are higher than spending for similar beneficiaries in traditional Medicare. In 2025, payments are 20% more per person, which translates into an additional $84 billion in federal spending this year, substantially larger than the $18 billion in higher spending a decade ago when about one-third of eligible beneficiaries were enrolled in a Medicare Advantage plan.
Given the enrollment and spending trends, policymakers have become increasingly...







