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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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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.
Esta calculadora ilustra las primas (el costo mensual de su seguro) y subsidios para las personas que compran seguro médico por su propia cuenta en el mercado de seguros de salud (o de intercambio) creado por la Ley de Cuidado de Salud a Bajo Precio (Affordable Care Act, ACA, en inglés).
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.
Family premiums for employer-sponsored health insurance reached an average of $26,993 this year, KFF’s annual benchmark health benefits survey of large and smaller employers finds. On average, workers contribute $6,850 annually to the cost of family coverage, with employers paying the rest.
This annual survey of employers provides a detailed look at trends in employer-sponsored health coverage, including premiums, worker contributions, cost-sharing provisions, offer rates, and more. This year's report also looks at how employers are approaching coverage of GLP-1 drugs for weight loss, including their concerns about utilization and cost.
This analysis examines the share of adult workers in occupations that rely more heavily on individual market coverage for health insurance, which is largely made up by the Affordable Care Act (ACA) Marketplaces.
This brief examines key characteristics of part-time workers and their access to coverage. Part-time workers are much less likely than full time ones to be offered health benefits by their employer or to have health coverage at all.
This chart collection explores how health spending is expected to grow in coming years, with a look at growth in prescription drug spending, out-of-pocket spending, and related trends.
This brief examines a proposed rule that seeks to change how ACA plans would cover gender affirming care services. If finalized the rule could lead insurers to drop coverage or shift costs to individuals and states, making access to gender affirming care more difficult.
Promoting price transparency in health care is a policy approach with bi-partisan support in Congress and the public at large. This analysis examines the vast troves of price transparency data that payers are required and finds unlikely prices, inconsistencies, and other oddities that pose major challenges for efforts to use it to promote competition and drive down prices.
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