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 examines how people of color fare compared to White people across 64 measures of health, health care, and social determinants of health using the most recent data available from federal surveys and administrative sets as well as the 2023 KFF Survey on Racism, Discrimination, and Health.
This fact sheet provides information on key HIV testing statistics, testing recommendations as advised by the U.S. Centers for Disease Control and Prevention (CDC), insurance coverage of HIV testing, testing sites and policies, and types of tests available.
This Health Policy 101 chapter explores Medicare, a federal health insurance program covering more than 66 million people, established in 1965 for people age 65 or older and later expanded to cover people under age 65 with long-term disabilities. In addition to detailing Medicare eligibility, coverage, and spending, the chapter examines the increased role of private plans in providing benefits and the financing challenges posed by increasing health care costs and an aging population.
This Health Policy 101 chapter explores Medicaid, the primary U.S. program providing comprehensive coverage of health care and long-term services and supports to nearly 90 million low-income people. Originating in 1965 and expanding with the Affordable Care Act, the chapter reviews Medicaid's evolution and its joint federal and state financing and administration. It discusses how state-level flexibility in managing Medicaid leads to variation in coverage, spending, health care delivery, and access across different states.
This Health Policy 101 chapter provides an overview of the Affordable Care Act (ACA), a major reform of the U.S. health care system aimed at reducing high uninsured rates and alleviating issues like high out-of-pocket costs and coverage exclusions for preexisting conditions. The ACA significantly altered many aspects of the health system and the chapter explores its mechanisms, such as the Health Insurance Marketplaces, and the evolution of the law since its passage in 2010.
This Health Policy 101 chapter examines the share of the United States population who are uninsured, highlighting their demographics and the challenges they face because of the lack of coverage. Economic conditions, federal and state policy decisions, and major health crises like the COVID-19 pandemic influence the uninsured rate. While implementation of the Affordable Care Act, namely the expansion of Medicaid and availability of subsidized Marketplace coverage, led to a drop in the share of people who are uninsured, disparities in coverage persist.
This Health Policy 101 chapter explores trends in health care costs in the U.S. and the factors that contribute to this spending. It also examines how health care spending varies across the population, the impact of costs on care affordability and individuals' overall financial vulnerability.
This Health Policy 101 chapter explores the complex landscape of private health insurance regulation in the United States, detailing the interplay between state and federal regulations that shape access, affordability, and the adequacy of private health coverage. It focuses on key laws such as the Affordable Care Act (ACA) and the Employer Retirement Income Security Act (ERISA), and discusses how regulations impact the private insurance market, illustrating the challenges consumers face in navigating this system.
This Health Policy 101 chapter explores the performance of the U.S. health system on a number of cost, outcomes, and quality measures by comparing it with those in similarly large and wealthy OECD nations. It highlights that despite significant spending, Americans have shorter life expectancies and encounter more barriers to health care, influenced by both the health system's structure and broader socioeconomic factors.
A growing number of states have added Medicaid coverage of non-traditional pregnancy-related care and services in recent years, such as doula services, lactation services, and home visiting programs, to promote better maternal and infant health outcomes and reduce racial/ethnic health disparities. This brief explores state strategies and challenges in promoting access to these services.
© 2025 KFF
