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.
More than half (55%) of eligible Medicare beneficiaries are enrolled in Medicare Advantage in 2026. To better understand trends in the growth of the Medicare Advantage program, this brief provides current information about enrollment, including by plan type and firm
This brief provides information about Medicare Advantage plans in 2026, including premiums, out-of-pocket limits, supplemental benefits, and prior authorization, as well as trends over time.
This issue brief provides an update on the status of the Trump administration's actions to eliminate DEI-related initiatives and the impact on racial health disparities.
This brief analyzes out-of-pocket limits in Medicare Advantage plans in 2026, variation by plan type, the distribution of enrollees facing different out-of-pocket limits, and trends over time.
This brief presents key facts and analysis about affordability of health care costs among people with Medicare, including younger adults with long-term disabilities, drawing on data from various sources.
This brief describes early state plans to operationalize the medical frailty exemption for Medicaid work requirements and identifies key issues and questions states are facing, some of which may be answered in forthcoming CMS guidance.
This brief explains current Medicaid cost sharing rules and changes made to cost sharing rules by the 2025 reconciliation law, reports on cost sharing amounts states currently impose on ACA expansion adults, and highlights literature on the impact of cost sharing.
This analysis updates prior work that assessed the association between PEPFAR investments and several health indicators, beyond HIV. It finds that PEPFAR continues to be associated with significant improvement in these broader health gains, suggesting a spillover effect beyond the program's HIV focus.
This analysis updates prior work that assessed the association between PEPFAR investments and economic and educational outcomes. It finds that PEPFAR continues to be associated with significant improvement in these broader areas, suggesting a spillover effect beyond the program's HIV and health focus.
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.
© 2026 KFF