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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 page displays an interactive map of the current status of state decisions on the Affordable Care Act's Medicaid expansion. Additional Medicaid expansion resources are listed (with links) below the map.
Following a pledge by insurance companies to reduce the burden of prior authorizations, KFF's Health Tracking Poll examines the publics experience with the process. The poll finds that most view insurers' delays and denials as a problem, and few are aware of the newly announced pledge.
On July 4, President Trump signed into law a budget reconciliation package once called the “One Big, Beautiful Bill” that includes significant changes to the Medicaid program. This issue brief provides an overview of the Medicaid work requirement provisions.
While the DHS guidance provides more details on public charge determinations under the new rule, it leaves key concepts unspecified and grants substantial discretion to individual immigration officers. This will likely result in ongoing confusion and fear among immigrant families that may deter them and their citizen children from participating in programs that help pay for health care, housing, or food even if they are eligible.
A new study finds that nearly 10% of cancer research papers showed signs of being fabricated by “paper mills”. The problem may intensify as generative AI becomes more sophisticated, prompting lawmakers to demand information about safeguards in place. And, claims that physicians are financially incentivized to promote vaccines persist, despite lack of evidence.
This issue brief examines well-child visit rates overall and for selected characteristics before and after the pandemic began and discusses recent state and federal policy changes that could impact children’s preventive care. More than half of children under age 21 enrolled in Medicaid or CHIP received a well-child visit in 2019, but the share fell to 48% in 2020, the start of the COVID-19 pandemic.
KFF takes a new look at the continued impact of the Hyde Amendment, the federal ban on payment for abortion services, in the wake of the Supreme Court’s Dobbs decision. At a moment when all eyes are on states that have banned abortion, the Hyde Amendment remains a barrier to abortion care for people with low incomes in states where abortion is legal but the state restricts Medicaid coverage to the narrow exceptions allowed under…
This issue brief analyzes Medicaid spending by state on SDPs that require prior CMS approval to better understand the use of SDPs before new limits in the reconciliation law take effect.
This analysis of available 2025 prior authorization data finds insurers denied at least 1 in 8 standard requests for prior authorization across three insurance markets: Medicare Advantage, Medicaid managed care, and the federally facilitated ACA Marketplaces. Denial rates varied wide segments by insurer. The analysis highlights limitations of the data and challenges for consumers interpreting it.
There is still much to be learned from polls about the mood of the electorate and people’s views on health care and other issues
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