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 brief considers how default enrollment into Medicare Advantage might work, potential challenges with this approach, and implications for beneficiaries, insurers, providers, agents and brokers, and the federal budget.
The interactive maps illustrate how many people are enrolled in Medicare and Medicaid in each congressional district, including the number of people receiving full Medicaid and partial Medicaid benefits.
As states wrap up legislative sessions and make decisions about whether to implement the Medicaid expansion included in the Affordable Care Act (ACA), this new analysis highlights the implications of these decisions for coverage, state budgets and providers. The decisions by as many as 27 states not to adopt the Medicaid expansion will leave a many more uninsured; these states would also forgo billions in federal funds.
Eligibility policies for seniors and people with disabilities vary across states, but states made similarly wide-ranging changes to streamline renewal processes for these enrollees. KFF’s Survey of Medicaid Financial Eligibility & Enrollment Policies for Seniors & People with Disabilities was conducted in March 2024 by KFF and Watts Health Policy Consulting.
In 2024, ACA enrollment (including Marketplace, Medicaid expansion, and BHP) reached 44 million, or 16.4% of the nonelderly U.S. population. From 2020-2024, enrollment in ACA coverage increased by over 60%.
This analysis examines the potential impacts on states, Medicaid enrollees, and providers of implementing a per capita cap on federal Medicaid spending, which is one proposal that has been discussed in Congress. Such a plan could decrease federal Medicaid spending by $532 billion to almost $1 trillion over a 10-year period, depending on how states respond. An estimated 15 million people could lose Medicaid coverage by 2034.
This report provides an in-depth examination of the changes taking place in Medicaid programs across the country. Report findings are drawn from the annual budget survey of Medicaid officials in all 50 states and the District of Columbia conducted by the Kaiser Family Foundation (KFF) and Health Management Associates (HMA), in collaboration with the National Association of Medicaid Directors (NAMD). This report examines the reforms, policy changes, and initiatives that occurred in FY 2017 and…
For 2023, the average Medicare beneficiary has access to 43 Medicare Advantage plans and can choose from plans offered by nine firms. Among the majority of Medicare Advantage plans that cover prescription drugs, 66 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 benefits, including fitness, dental, vision, and hearing benefits. In addition, virtually all will…
The Trump administration this week backed off a key element of its Medicare Advantage rate proposal, resulting in billions of dollars in additional payments to private insurers.
© 2026 KFF