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 analysis examines the share of adult workers in occupations that rely more heavily on individual market coverage for health insurance, which is largely made up by the Affordable Care Act (ACA) Marketplaces.
This analysis of preliminary rate filings from 318 insurers across all 50 states and DC finds that small businesses with Affordable Care Act (ACA)-compliant plans could face a median premium increase of 11% for 2026.
This data note examines how the expiration of the ACA's enhanced premium tax credits could affect the out-of-pocket portion of premiums for different households.
The ACA's enhanced premium tax credits are set to expire at the end of 2025. This calculator estimates how much out-of-pocket premiums would increase for families if Congress does not extend the credits. The projected premium increases are estimated based on family income, zip code, size, ages, and 2025 ACA Marketplace premiums.
In his latest column for the JAMA Health Forum, KFF’s Larry Levitt talks about how popular shows like “The Pitt” can make changes to the health care system stemming from this year’s federal tax and budget bill tangible for viewers, and offers some suggested story lines.
The ACA enhanced premium tax credit has driven growth in Marketplace enrollment and offset declines in Medicaid coverage, holding 2024's 8% uninsured rate at its near-historic low, according to new Census Bureau data.
This analysis estimates that 48% of adults under age 65 with individual market coverage are either employed by a small business with fewer than 25 workers, self-employed entrepreneurs, or small business owners. Because the vast majority of this coverage is purchased through the Affordable Care Act (ACA) Marketplaces, changes to the ACA, including the expiration of the enhanced premium tax credits at the end of this year, would have significant implications for what small business owners and workers spend on their health care.
In his latest column, KFF’s President and CEO Dr. Drew Altman looks at why the issue of extending the enhanced ACA tax credits has languished in Congress without clear direction, despite its importance to the 24 million people who get their coverage in the ACA Marketplaces today and the potentially significant role the issue could play in the midterms if the credits are not extended.
Some insurers in the ACA’s small group market are citing tariffs, particularly those affecting prescriptions drugs, as a reason for higher-than-expected premium increases.
On July 4, President Trump signed the budget reconciliation bill, previously known as the “One Big Beautiful Bill Act,” into law. This summary provides background, description, budgetary impact and related information on the health care provisions of the law in four categories: Medicaid, the Affordable Care Act, Medicare and Health Savings Accounts (HSAs).
© 2025 KFF