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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.
The Peterson-KFF Health System Tracker is an online hub monitoring how well the U.S. health system is operating through key quality and cost measures. A partnership of the Peterson Center on Healthcare and KFF, the Tracker documents trends in Health Spending, Quality of Care, Access & Affordability, and Health & Wellbeing through issue briefs and downloadable chart collections. The Tracker also includes the Interactive Health Spending Explorer tool, which helps users analyze more than 50 years of health expenditure data, and a Health System Dashboard, which provides quick and easy access to the latest, most relevant statistics.
This analysis examines the costs, availability, and take-up of health benefits for workers with lower wages, using survey data and focus groups with more than 100 U.S. employers with over a quarter of a million employees.
Employer-sponsored health insurance is the largest source of health coverage for people under 65, covering 165.6 million people in March 2025. This analysis examines who among people under 65 have employer coverage and which workers are offered and eligible for coverage at their jobs, using the Annual Economic and Social (March) Supplements of the Current Population Survey.
This chart collection examines how life expectancy in the U.S. compares to that of other similarly large and wealthy countries. Life expectancy at birth in the U.S. increased 0.6 years from 78.4 years in 2023 to 79.0 years in 2024, its highest-ever level. However, the average life expectancy in comparable countries was 82.7 years, about 3.7 years longer than in the U.S., reflecting a persistently wide difference in life expectancy between the U.S. and comparable…
A new Peterson-KFF policy explainer lays out the health care trends shaping the 2026 policy debates, including rising premiums, spending on prescription drugs, health care price transparency and consolidation, artificial intelligence in health care, Medicaid funding cuts and other key program changes.
This analysis examines how U.S. health spending compares to health spending in other high-income nations. While the U.S. still spends the most in total dollars, eight OECD nations had a higher percentage increase in per-person health spending in 2024.
This analysis explores trends in how the cost of healthcare affects access to care in the U.S. using National Health Interview Survey (NHIS) data. In 2024, about 1 in 6 adults (17%) reported delaying or not getting healthcare due to cost
This analysis explores the variation in health spending across the population using 2023 Medical Expenditure Panel Survey data. Five percent of the population accounted for nearly half of all health spending in 2023.
The Health Spending Explorer on the Peterson-KFF Health System Tracker helps users examine five decades worth of numbers documenting expenditures by federal and local governments, private insurers, and individuals on 15 categories of health services, including hospitals, physician and clinic care, and prescription drugs.
This chart collection explores National Health Expenditure (NHE) data from the Centers for Medicare and Medicaid Services (CMS), including the latest data from 2024.
This Health System Tracker analysis examines the tradeoffs ACA Marketplace enrollees must consider as they decide whether to keep their current plan or switch to a new one, following the expiration of the ACA’s enhanced premium tax credits at the end of 2025.
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