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Affordable Care Act

The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

In 2025, about one in three ACA enrollees said they would be “very likely” to look for a lower-premium Marketplace plan If their premium payments doubled.

Cost Concerns and Coverage Changes: A Follow-Up Survey of ACA Marketplace Enrollees

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 10 who specifically say their premiums are “a lot higher.”

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POLLING

Tracking the Public’s Views on the ACA

While overall opinion of the Affordable Care Act has been more favorable than unfavorable since 2017, there remain deep partisan divides. See how public opinion on the ACA has changed from the inception of the law to the present. This interactive tool highlights key moments when views shifted and trends based on party identification, income, age, gender, and race/ethnicity.
DATA

Marketplace Enrollment is Down in 2026—But All of the Data Isn’t in Yet

ANALYSIS

Higher Premium Payments or Higher Deductibles: The ACA's Tradeoffs

QUIZ

Test Your Knowledge of the Affordable Care Act

ANALYSIS

Competition Increased in Individual Market But Fell in Fully Insured Group Markets

Timely insights and analysis from KFF staff

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  • Sexually Transmitted Infections (STIs): An Overview, Payment, and Coverage

    Fact Sheet

    More people have health insurance than ever before under the Affordable Care Act (ACA), which emphasizes preventive care, including no-cost HIV and STI counseling and screening for recommended populations. This fact sheet examines trends and disparities in STI prevalence, reviews the STI screening and preventive care coverage policies for private insurance and public programs, and discusses coverage gaps and confidentiality concerns in the provision of these services.

  • What Iowa and New Hampshire tell us about Medicare-for-All

    From Drew Altman

    In this Axios column, Drew Altman analyzes data from the New Hampshire exit poll showing that support for Medicare-for-all played a role in the primary while broader support for a more moderate plan may be a signal about the general election.

  • Coronavirus Response and the Affordable Care Act

    Policy Watch

    This post examines the Affordable Care Act's impact 10 years after its enactment and how its provisions, especially those that expand coverage opportunities, could address the health threat and economic upheaval caused by the coronavirus pandemic.

  • Tracking Public Opinion on National Health Plan: Interactive

    Interactive

    This interactive allows users to track public opinion on a national health plan using all nationally representatives polls conducted since 2016, with further analysis of how favorability toward such a plan may differ based on political party identification and question wording.

  • The ACA is Doing Fine Without a Mandate Penalty

    From Drew Altman

    In an Axios column, Drew Altman explains that the elimination of the Affordable Care Act’s individual mandate penalty has had little impact on how the ACA’s insurance markets are working, showing that “the marketplaces continue to function, even when 'severed' from the mandate penalty,” and undercutting a central argument in the lawsuit seeking to strike down the entire law.

  • Benchmark Employer Survey Finds Average Family Premiums Now Top $20,000

    News Release

    Annual family premiums for employer-sponsored health insurance rose 5% to average $20,576 this year, according to the 2019 benchmark KFF Employer Health Benefits Survey released today. Workers’ wages rose 3.4% and inflation rose 2% over the same period. On average, workers this year are contributing $6,015 toward the cost of family coverage, with employers paying the rest.

  • The California Health Care Landscape

    Fact Sheet

    This fact sheet provides an overview of population health, health coverage, and the health care delivery system in California in the era of health reform.

  • Analysis Estimates 1 in 4 Employers Offering Health Benefits Could Be Affected by the ‘Cadillac Tax’ in 2018 if Current Trends Continue

    News Release

    Share of Potentially-Affected Employers Could Grow to 30% in 2023, 42% in 2028, Analysis Finds New projections from the Kaiser Family Foundation estimate that one in four employers (26%) offering health benefits could be subject to the Affordable Care Act’s tax on high-cost health plans, also known as the "Cadillac plan" tax, in 2018 unless…

  • Will GOP Candidates’ Positions on Obamacare Matter in Crowded Field?

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman analyzes the politics of Republican Affordable Care Act replacement plans and the challenges all Republican candidates will face distinguishing themselves from others on the ACA in a crowded primary field.