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 issue brief provides an overview of Medicare, the health insurance program for people ages 65 and over and younger people with long-term disabilities. The brief review the characteristics of people on Medicare, what Medicare covers, benefit gaps and supplemental coverage, beneficiaries' out-of-pocket health care spending, program spending and financing, payment and delivery system reform, and issues for the future of Medicare.
A record 3,148 Medicare Advantage plans will be available across the country as alternatives to traditional Medicare, a new KFF analysis finds. That’s up 15% from last year’s 2,734 plans and results in a typical beneficiary having 28 plans available to them in their local market for the 2020 Medicare open enrollment period, which began Oct. 15 and runs until Dec. 7. About 22 million Medicare beneficiaries - a third of all beneficiaries - are…
In light of heightened attention to insulin and the Trump Administration’s new Part D model to address out-of-pocket costs for insulin for Medicare beneficiaries, we analyzed out-of-pocket spending on insulin by beneficiaries enrolled in Part D drug plans, variation in Part D plan formulary coverage and tier placement of insulin products, and trends in prices for insulin.
This issue brief provides an overview of the Medicare Part D prescription drug benefit plan landscape for 2021, with a focus on stand-alone drug plans. It includes national and state-level data on plan availability, premiums, benefit design, cost sharing, information about premium-free plans for low-income beneficiaries, and information about the national Part D drug plans available in 2021.
For 2021, the average Medicare beneficiary has access to 33 Medicare Advantage plans, the largest number of options available in the last decade, and can choose from plans offered by eight firms. Among the majority of Medicare Advantage plans that cover prescription drugs, 54 percent will charge no premium in addition to the monthly Medicare Part B premium. As in previous years, the vast majority of Medicare Advantage plans will offer supplemental fitness, dental, vision,…
As the U.S. prepares for nationwide distribution of vaccines to combat COVID-19, some are asking whether people who get the first of two doses will return to complete the series. This analysis draws on Medicare Part D prescription drug claims data for the herpes zoster vaccine Shingrix, which also requires two doses, to shed light on this potential challenge of the leading COVID-19 vaccine candidates.
Medicare, the nation’s federal health insurance program for 57 million people age 65 and over and younger people with disabilities, often plays a major role in federal health policy and budget discussions. Medicare is likely to be back on the federal policy agenda as Congress debates repealing and replacing the ACA, and also if policymakers turn their attention to reducing entitlement spending as part of efforts to reduce the growing federal budget deficit and debt.…
Medicare is likely to be back on the federal policy agenda this year as Congress and President Trump pursue repealing and replacing the Affordable Care Act, and potentially consider options to reduce federal spending. When talking about Medicare, the nation’s federal health insurance program for 57 million people age 65 and over and younger people with disabilities, some policymakers often express concern that the program will soon be “bankrupt” and that rising spending is unsustainable.…
This chartpack presents a summary of Part D enrollment, premiums, cost sharing, benefit design and other key trends in 2016 and changes over time. For 2016, the analysis finds that 40% of Part D enrollees are now in Medicare Advantage drug plans, and over half of all enrollees are in plans offered by just three firms. The chartpack also highlights some concerning trends in the Low-Income Subsidy market, with the fewest number of premium-free plans…
The 2010 Affordable Care Act (ACA) included many provisions affecting the Medicare program and the 57 million seniors and people with disabilities who rely on Medicare for their health insurance coverage. This brief explains the Medicare provisions in the ACA and explores the implications for Medicare and beneficiaries of repealing these provisions.
© 2026 KFF