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Medicare Advantage in 2025: Enrollment Update and Key Trends

In 2025, more than half (54%) of eligible Medicare beneficiaries - 34.1 million out of about 62.8 million with both Medicare Parts A and B - are enrolled in Medicare Advantage plans. The Congressional Budget Office projects that the share will rise to 64% by 2034.

One in five (21%) Medicare Advantage enrollees is in a special needs plan (SNP), reflecting a steady increase in recent years. Overall, Medicare Advantage enrollment is highly concentrated among plans owned by a few firms.

Also: Medicare Advantage in 2025: Premiums, Out-of-Pocket Limits, Supplemental Benefits, and Prior Authorization

Most Medicare Advantage Markets are Dominated by One or Two Insurers

10 Reasons Why Medicare Advantage Enrollment is Growing

Medicare Advantage Quality Bonus Payments Will Total at Least $12.7 Billion in 2025

Medicare Advantage Insurers Made Nearly 50 Million Prior Authorization Determinations in 2023

New & Noteworthy
Medicare PArt D

The Uncertain Future of Medicare's Stand-Alone PDP Market and Why It Matters

This brief discusses the uncertain future of Medicare’s Part D stand-alone prescription drug plan (PDP) market, in light of declining PDP availability, rising premiums, and the unknown fate of a temporary demonstration program designed to stabilize the market more broadly. The uncertain future of the market is especially relevant for rural areas, where nearly 6 in 10 beneficiaries are enrolled in traditional Medicare and PDPs, and where there are fewer Medicare Advantage options.

A Current Snapshot of the Medicare Part D Prescription Drug Benefit

Stand-Alone Drug Plans Cover a Larger Share of Part D Enrollees Living in the Most Rural Areas Than Medicare Advantage Plans

Key Facts About Medicare Part D Enrollment, Premiums, and Cost Sharing in 2025

Changes to Medicare Part D in 2024 and 2025 Under the Inflation Reduction Act and How Enrollees Will Benefit

Prescription Drugs

The Effect of Delaying the Selection of Small Molecule Drugs for Medicare Drug Price Negotiation

Part of a recent executive order from President Trump directs the Secretary of HHS to work with Congress to implement a change in the Medicare Drug Price Negotiation Program to delay negotiation of so-called “small molecule” drugs beyond 7 years after FDA approval under current law. If that timeframe had already been in place, more than half of the Part D drugs that were selected for price negotiation in the first or second rounds – 13 out of 25 – would not have been eligible at the time drugs were selected.

FAQs About the IRA's Medicare Drug Price Negotiation Program

Allowing Medicare to Negotiate Drug Prices Is Broadly Popular

The Facts About the $35 Insulin Copay Cap in Medicare

Enrollees in Most Rural Areas Rely More on Stand-alone Part D Plans

Data Visualization

The Facts About Medicare Spending

This interactive provides the facts on Medicare spending. Medicare, which serves 67 million people and accounts for 12 percent of the federal budget and 21 percent of national health spending, is often the focus of discussions about health expenditures, health care affordability and the sustainability of federal health programs.

Explore data on enrollment growth, Medicare spending trends overall and per person, growth in Medicare spending relative to private insurance, spending on benefits and Medicare Advantage, Part A trust fund solvency challenges, and growth in out-of-pocket spending by beneficiaries.

Related: FAQs on Medicare Financing and Trust Fund Solvency

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  • Understanding the Growth in Medicare’s Home Health Expenditures

    Other Post

    Heavy Use Of Home Health Services By Sickest And Poorest Seniors Drives Sharply Rising Medicare Home Health Costs For-profit Agencies Increased Medicare Home Health Expenditures by More Than $1 Billion in 1994 Embargoed for release until: 9 am, EST, Tuesday, July 1, 1997 Washington, D.C.

  • Survey of Americans’ Knowledge and Attitudes about Entitlements

    Poll Finding

    This Washington Post/Kaiser/Harvard University survey examines American's knowledge and attitudes on entitlements, particularly Social Security and the Medicare program. The survey findings were reported in The Washington Post on Saturday, March 29th, 1997. The survey was conducted by Chilton Research.

  • Post-Election Survey of Voters’ 1997 Health Care Agenda

    Poll Finding

    Post-Election Survey of Voters' 1997 Health Care Agenda A nationally representative sample of 1000 voters, conducted immediately after the 1996 election, examines voters' priorities for the new Congress. Balancing the budget, cutting taxes and spending on public education top the list of voters priorities.

  • Kaiser /Harvard Survey of Americans on Health Policy

    Poll Finding

    A telephone survey of 1,011 adults (between June 20 and July 9, 1996) about how health care reform (specifically Medicare reform, MSAs and the Kassebaum/Kennedy bill) fits into the upcoming November election. The survey was designed by the Kaiser Family Foundation, Harvard University, and Princeton Survey Research Associates (PSRA). The survey was conducted by PSRA.

  • Medicaid and Long Term Care

    Issue Brief

    This policy brief reviews Medicaid's role as the nation's primary source of coverage for long-term care services and examines the implications of recent legislative efforts to restructure the Medicaid program for those in need of care in nursing homes, intermediate-care facilities for the mentally retarded, and home- and community-based settings.

  • Risk Selection Issues Under Medicare Reform Proposals

    Report

    This report compares the provisions designed to guard against risk selection among the Medicare population in both the Congressional Balanced Budget Act of 1995 and in the President's budget plan released in December 1995. The report also explores provisions in both that may exacerbate the potential for risk selection.

  • Searching for Savings in Medicare

    Report

    This report analyzes trends in Medicare expenditures and considers options to modify the program to control its spending growth. It represents an effort to put in context the types of changes being discussed in the ongoing budget debate and to raise cautions, where appropriate, about various strategies.