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 tracker provides data on global COVID-19 cases and deaths by country, region, and income-level. Additionally, the tracker reports current closure, economic, and health system policy responses to the COVID-19 pandemic globally. This tracker will be updated as new data are available.
The number and share of people without insurance grew in 2024, increasing for the first time since 2019, according to KFF's analysis of data from the American Community Survey (ACS). This issue brief describes trends in health coverage in 2024, examines the characteristics of the uninsured population , and summarizes the access and financial implications of not having coverage.
Medicaid is the primary program providing comprehensive health and long-term care to one in five people living in the U.S and accounts for nearly $1 out of every $5 spent on health care. Medicaid is jointly financed by states and the federal government, but states administer Medicaid programs within broad federal rules. Under federal law, Medicaid provides an entitlement to coverage to individuals who are eligible for the program and a guarantee to federal matching dollars for states. State…
In this analysis, published in the journal Contraception, KFF’s Linda Li, Brittni Frederiksen, and Alina Salganicoff look at intrauterine device (IUD) and contraceptive implant insertion-related costs among privately insured individuals to better understand why patients are experiencing unexpected expenses for what should be fully covered contraceptive services under the ACA.
Authored by KFF’s Alina Salganicoff, Ivette Gomez, and Usha Ranji, this article for The Milbank Quarterly examines how state policies create varying levels of access to reproductive healthcare services.
This brief summarizes recent and proposed actions by states related to access to state-funded health coverage and other services for immigrants and immigration enforcement activity during the 2025 and 2026 state legislative sessions.
More than 800 up-to-date health indicators at the state level can be mapped, ranked, and downloaded.
© 2026 KFF