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.
This Policy Insight explores possible explanations for the continued rise in Medicare Advantage enrollment between 2010 and 2013 in spite of a projected decrease following payment changes in the Affordable Care Act (ACA).
In the latest post in the Policy Insights series, Tricia Neuman and Gretchen Jacobson examine the surprising growth in Medicare Advantage enrollment following payment reductions included in the Affordable Care Act. Previous columns in the Policy Insights series are also available on kff.org.
Report & Briefing Examine How Seniors Choose Among Their Medicare Plan Options Seniors appreciate having a wide range of Medicare private plan choices available to them but often feel unqualified to choose among them, a new Kaiser Family Foundation report concludes.
As federal and state governments advance efforts to better coordinate care and reduce costs for people dually eligible for both Medicare and Medicaid benefits, this brief examines how insurers now serving these markets view the opportunities and challenges, including a look at Medicare Advantage Special Needs Plans.
In the face of rising prescription drug costs, a large majority of the public supports federal efforts to lower drug spending. Policymakers are considering several proposals that would lower prescription drug costs. To better understand the potential out-of-pocket cost exposure that Medicare beneficiaries may face for Part B drugs, which are typically administered by physicians and other health care providers, we analyzed cost-sharing liability for these drugs in traditional Medicare and cost-sharing requirements in Medicare Advantage plans.
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.
The privatization of Medicare has been taking place without much public debate – a trend that has implications for the 68 million people covered by Medicare, health care providers, Medicare spending, and taxpayers. It's not yet clear whether the administration will promote policies to accelerate the privatization of Medicare or focus more on achieving efficiencies and savings within Medicare Advantage, or pursue policies that aim to achieve both. How this plays out will have implications for beneficiaries, health care providers and insurers, and is worthy of serious debate.
This analysis provides the latest data about Medicare Part D enrollment, premiums, and cost sharing in 2022 and trends over time, including information about stand-alone prescription drug plans (PDPs) and Medicare Advantage prescription drug plans.
As Medicare Advantage continues to grow, a gradual but significant reshaping of the Medicare program is taking place. A new KFF analysis finds that nearly half of eligible Medicare beneficiaries – 28.4 million out of 58.6 million Medicare beneficiaries overall – are now enrolled in Medicare Advantage plans.
Recently released data show that Medicare Advantage, the private plan alternative to traditional Medicare, now covers half of eligible Medicare beneficiaries. As the role of Medicare Advantage grows, so will interest in understanding how well the program serves the increasingly diverse group of enrollees who receive their Medicare coverage from private insurers.
© 2026 KFF