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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.
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This Issue Brief reviews the federal role in setting U.S. water fluoridation policies, discusses current federal recommendations for water fluoridation, and summarizes the extent of water fluoridation across U.S. states.
This analysis looks at traditional Medicare spending among people who choose to disenroll from Medicare Advantage and obtain coverage under traditional Medicare during the annual Medicare open enrollment period. It compares their traditional Medicare spending (Parts A and B) in the year following disenrollment to similar people who were continuously covered by traditional Medicare, using data from the Medicare Beneficiary Summary File (MBSF) for 2021 and 2022.
A new issue brief based on focus groups conducted by KFF among NHPI adults living in Hawaii and the continental U.S. highlights barriers NHPI people face when accessing health care, including geographic isolation, limited system capacity, and language access. In their own words, participants describe both positive and negative experiences in health care settings and discuss concerns about mental health in their communities.
Among NHPI people, there is significant variation in key factors that influence health, including health coverage, income, and homeownership, with Marshallese people faring the worst across all examined measures. Data gaps prevent the ability to fully identify and understand health disparities for NHPI people. Among available data, NHPI people fare worse than White people for the majority of measures.
With President-elect Trump returning to the White House and Republicans controlling Congress, significant changes to the Medicaid expansion are expected. This data note provides key facts on the Medicaid expansion, highlighting the financial and coverage impacts of any changes across states that voted for President-elect Trump and those that voted for Vice President Harris.
This brief provides background on gender affirming care and state bans, explains the legal challenge to the Tennessee law, and explores the potential Supreme Court ruling and impact on access across the country.
In Medicare Physician Fee Schedule Final Rules from recent years, the administration made changes to Medicare payment policies for certain dental services, in addition to other payment and policy changes. The 2023 rule clarified CMS’s interpretation of when medically necessary dental services can be covered and codified certain payment policies, and the 2023, 2024, and 2025 rules define new clinical scenarios for which Medicare payment can be made for dental services. This brief describes current…
This brief provides an overview of current lawsuits in health policy including preventive services, abortion care, gender affirming care, Medicare drug price negotiations, nursing home staffing rules, private coverage consumer protections, and protections and health coverage for Deferred Action for Childhood Arrivals (DACA) recipients; how they may be affected by the incoming Trump administration; and the implications of their potential outcomes.
This analysis focuses on current state efforts, many of which were implemented during or after 2020, to address health disparities and advance health equity based on a review of publicly available materials from all 50 states and DC. In addition, case study interviews were conducted with 14 stakeholders in three states (California, North Dakota, and Michigan) to increase understanding of the factors contributing to success of these state initiatives, lessons learned, and potential implications for…
Medicare Part D is a voluntary outpatient prescription drug benefit for people with Medicare provided through private plans, including stand-alone prescription drug plans and Medicare Advantage plans that offer drug coverage. This analysis provides an overview of Medicare Part D plan availability, premiums, and cost sharing in 2025 and key trends over time.
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