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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.
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This brief describes federal citizenship and immigration status eligibility and eligibility verification requirements for Medicaid. Eligibility for federally-funded coverage under Medicaid and the Children’s Health Insurance Program is limited to U.S. citizens and certain lawfully present immigrants.
This brief describes the intersection between Medicaid and SNAP and discusses how information from SNAP may be leveraged by states when implementing the new Medicaid work requirements.
Medicaid represents $1 out of every $5 spent on health care in the U.S. and is the major source of financing for states to provide health coverage and long-term services and supports for low-income residents. This brief examines key questions about Medicaid financing and how it works.
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.
This updated fact sheet provides the latest data on the global HIV/AIDS epidemic, including impact on affected and vulnerable populations, treatment and prevention efforts, and an overview of the U.S. and global responses to the epidemic.
The Medicare Part D prescription drug benefit is provided by private plans, either Medicare Advantage plans that offer drug coverage (MA-PDs) or, for those in traditional Medicare, stand-alone prescription drug plans (PDPs). New data from CMS shows that 56 million people are enrolled in Part D plans as of February 2026, with more in MA-PDs than PDPs, reflecting higher overall enrollment in Medicare Advantage than in traditional Medicare. Enrollment in group MA-PD plans decreased while group PDP enrollment increased.
This collection of charts explores the variation in health spending across the population through an analysis of 2023 Medical Expenditure Panel Survey (MEPS) data.
This tracker provides up-to-date information on countries with signed bilateral MOU global health agreements with the U.S.
This brief provides data from the 2025 KFF/New York Times Survey of Immigrants on the health and health care experiences of immigrant parents and their children in the U.S. amid the current policy environment.
States are facing constrained budgets, putting pressure on HIV programs, including the Ryan White HIV/AIDS Program. This Policy Watch explores how state Ryan White AIDS Drug Assistance Programs (ADAPs) are responding to these budget pressures, including by restricting eligibility and reducing the scope of services offered, actions that could led to negative health outcomes for people with HIV and lead to new HIV infections.
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