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 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 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."
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.
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.
State Medicaid and public health agencies both work to advance the health of their communities, often pursuing similar priorities and serving similar populations. This brief examines findings from KFF's 25th annual Medicaid budget survey, which asked state Medicaid directors about new or enhanced initiatives involving public health in FY 2025 or planned for FY 2026.
eligibility children Medicaid CHIP
The 24th annual survey of state Medicaid and CHIP program officials conducted by KFF and the Georgetown University Center for Children and Families (CCF) provides a baseline of state Medicaid and CHIP eligibility, enrollment, and renewal policies in place as of January 2026 as they prepare to implement the changes included in the 2025 reconciliation law.
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