Medicare Advantage Chartpack
These charts highlight key data about the Medicare Advantage program, which has grown rapidly in terms of enrollment and number of plans since the enactment of the Medicare Modernization Act in 2003.
The independent source for health policy research, polling, and news.
KFF’s policy research provides facts and analysis on a wide range of policy issues and public programs.
KFF designs, conducts and analyzes original public opinion and survey research on Americans’ attitudes, knowledge, and experiences with the health care system to help amplify the public’s voice in major national debates.
KFF Health News is a national newsroom that produces in-depth journalism about health issues and is one of the organization’s core operating programs.
These charts highlight key data about the Medicare Advantage program, which has grown rapidly in terms of enrollment and number of plans since the enactment of the Medicare Modernization Act in 2003.
On March 30, 2009, the Centers for Medicare & Medicaid Services issued the 2010 “call letter,” which functions as a request for proposals to private health insurers and organizations that want to sponsor Medicare Advantage Plans or Medicare Prescription Drug Plans.
Most Medicare beneficiaries have at least 40 Medicare Advantage (MA) plan options to choose from this year. While some favor a robust marketplace, others argue that fewer plan offerings, or more transparent differences across plans designs, would help beneficiaries choose plans most likely to meet their individual needs.
This issue brief analyzes the number and variety of Medicare Advantage plan choices available to beneficiaries in 2015. It describes trends in number of Medicare Advantage plans, plan premiums, and plan quality ratings, including changes in prescription drug coverage and limits on out-of-pocket expenses. This spotlight is part of a series of spotlights tracking key changes in the Medicare Advantage program.
With recent news about possible health insurance company mergers, Drew Altman looks beyond the impact on Wall Street to how mergers could affect Medicare beneficiaries in this column for The Wall Street Journal's Think Tank.
A number of potential mergers and acquisitions between large firms that offer health insurance have been reported in the press. These mergers could affect consumers in the individual market, enrollees in the new federal and state Marketplaces, employees with employer-sponsored insurance, as well as people covered by public programs such as Medicare. This Data Note examines the Medicare Advantage market share of large firms that have reportedly engaged in merger and acquisition discussions: Aetna, Anthem, Cigna, Humana, and UnitedHealthcare.
This report describes the history of special needs plans, how they fit into the larger Medicare Advantage marketplace, and what information could help assess whether these plans are performing differently from other Medicare Advantage plans.
Our analysis of CMS data shows that in 135 counties – accounting for 6 million Medicare beneficiaries – more than half of all Medicare beneficiaries are enrolled in Medicare Advantage or cost plans.
In this November 2018 New England Journal of Medicine article, KFF's Tricia Neuman and Gretchen Jacobson examine the extent to which Medicare Advantage plans are achieving goals with respect to benefits, out-of-pocket costs, plan choice, federal spending and quality.
This brief highlights key facts about Medicare beneficiaries living in rural areas, including their demographic and health characteristics, access to care, and satisfaction with care.
© 2025 KFF