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.
KFF has conducted this annual survey of private and non-federal public employers with three or more workers since 1999. The survey tracks trends in employer health insurance coverage, the cost of that coverage, and other topical health insurance issues. Findings are based on a nationally representative survey of public and private employers with three or more employees, including those who respond to the full survey and those who indicate only whether or not they provide health coverage. Browse the reports
Health care affordability is a top issue for many people. Why and how did care get so expensive? In this three-part video series, KFF experts look at the rising cost of health care in the U.S. from the macro level to the issues facing everyday Americans. Drawing on KFF policy analysis and polling, the videos examine the underlying drivers of health care spending, the true cost of employer sponsored health insurance and whether the Affordable…
More people get health coverage through their job than from any other source. The deduction workers see in each paycheck for their share of the premium is only a fraction of the total cost. In this video, KFF’s Matt Rae unpacks the full cost of employer-sponsored insurance and why it may be the biggest health care affordability story hiding in plain sight.
The number and share of people without insurance grew in 2024, increasing for the first time since 2019, according to KFF's analysis of data from the American Community Survey (ACS). This issue brief describes trends in health coverage in 2024, examines the characteristics of the uninsured population , and summarizes the access and financial implications of not having coverage.
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 Health Policy 101 chapter explores employer-sponsored health insurance (ESI), the primary health coverage source for U.S. residents under age 65. In addition to detailing ESI requirements and incentives, structure, availability, and costs, the chapter examines ongoing challenges related to affordability and access to care for those with ESI coverage.
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.
In February, the Trump administration launched TrumpRx, a government website that provides prescription drug discounts to consumers. This brief examines issues that may impact consumers, especially those with private insurance, who access drug discounts through TrumpRx.
This analysis of trends in health insurers’ financial data shows that insurers’ gross margins per enrollee dipped slightly in 2024 across four markets, remaining highest in the Medicare Advantage market, followed by the individual (non-group) market, the fully insured group (employer) market, and Medicaid managed care. The analysis also examines insurers’ medical-loss ratios across the four markets.
© 2026 KFF