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.
State Health Facts is a KFF project that provides free, up-to-date, and easy-to-use health data for all 50 states, the District of Columbia, and the United States. It offers data on specific types of health insurance coverage, including employer-sponsored, Medicaid, Medicare, as well as people who are uninsured by demographic characteristics, including age, race/ethnicity, work status, gender, and income. There are also data on health insurance status for a state's population overall and broken down by age, gender, and income.
This page tracks recent state actions to extend Medicaid postpartum coverage, including approved and pending 1115 waivers, legislation that will require the state to seek federal approval through a SPA or 1115 waiver, submitted and approved SPAs, and coverage financed solely with state funds.
This KFF survey is a follow-up survey of adults who had ACA Marketplace insurance in 2025. The survey examines the cost concerns and coverage changes that these 2025 Marketplace enrollees are experiencing following the expiration of the enhanced premium tax credits. The survey finds that half of returning enrollees say their health care costs are “a lot higher” and most expect to cut back on basic household expenses to afford coverage.
Following the expiration of the enhanced premium tax credits for people with Affordable Care Act (ACA) Marketplace plans, a new KFF follow-up survey of the same Marketplace enrollees KFF surveyed in 2025 finds half (51%) of returning enrollees say their health care costs are “a lot higher” this year compared to last year, including four in ten who specifically say their premiums are “a lot higher.”
In his latest column, President and CEO Dr. Drew Altman asks if prior authorization review could be eliminated entirely, discussing how it might be done and the tradeoffs.
Virtually all (98.9%) of the 2.6 million Medicare beneficiaries enrolled in a Medicare Advantage plan that terminated coverage at the end of 2025 have at least one MA-PD available in 2026, including more than two-thirds (68.7%) who have the option of enrolling in a plan sponsored by the same insurer.
This issue brief describes recent trends in the number of Medicaid outpatient prescriptions and the spending on those drugs and examines the implications of recent federal actions on future trends.
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.
This brief provides an overview of oral contraception, discusses private insurance and Medicaid coverage, and reviews strategies to promote and expand women’s access to oral contraceptives.
Oral contraceptives are the most commonly used method of reversible contraception in the U.S. In July 2023, the FDA approved Opill, the first daily oral contraceptive pill to become available over the counter (OTC) without a doctor’s prescription. This issue brief provides an overview of OTC oral contraceptives and laws and policies related to insurance coverage.
Most adult Medicaid enrollees who will be subject to new work requirements are already working but rely on Medicaid because their employers do not offer health coverage or they are not eligible for the coverage offered at their job. This analysis examines the availability of job-based insurance in 2024 for adult Medicaid workers ages 19 to 64.
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