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.
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.
This fact sheet provides data on oral health care coverage and access for children, nonelderly adults and Medicaid beneficiaries, including state-by-state data on measures such as the share of adults who have had a dental visit within the past year. Fact Sheet (.pdf)
Noncitizen immigrants, particularly those who are undocumented, face significant barriers to accessing health coverage and care and are significantly more likely than citizens to be uninsured. This brief provides an overview of state health coverage programs for immigrants, including among states that have taken up options in Medicaid and the Children’s Health Insurance Program (CHIP) to expand coverage for lawfully present immigrants and/or established fully state-funded programs to fill gaps in coverage for immigrants.
This brief provides an overview of the relationship between racial discrimination and health and highlights research examining mechanisms underlying health outcomes linked to experiences of racial discrimination, including biological changes, chronic stress, mental health, substance use, pregnancy-related outcomes, and sleep.
This poll looks at exposure to and belief in several vaccine myths and finds that people without a trusted health care provider, and those who regularly use social media or AI for health information, are generally more likely than others to belief the false claims. It also analyzes belief across vaccine myths, showing the share of the public that are consistent myth believers, consistent myth deniers, and those who land in the "mixed middle."
This policy watch examines state-by-state school vaccine requirements and exemptions, including recent policy changes to them and the extent to which they may affect vaccination rates.
Most adults (56%) say they have “little” to “no confidence” in federal health agencies like the Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration (FDA) to make recommendations about childhood vaccine schedules.
This analysis estimates that 1.2 million uninsured individuals in the ten states without Medicaid expansion, including many working adults, people of color, and those with disabilities, remain in the "coverage gap," ineligible for Medicaid or for tax credits that would make coverage affordable through the Affordable Care Act's Marketplaces.
This data note reviews trends in homelessness and characteristics of people who are homeless using data from HUD’s Point-in-Time (PIT) count of sheltered and unsheltered people experiencing homelessness.
Secretary Kennedy's efforts to narrow the childhood vaccine schedule does not reflect the views of most parents, but KFF polling suggests it may have more appeal among President Trump's base.
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