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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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  • Medicaid Expansion Spending and Enrollment in Context: An Early Look at CMS Claims Data for 2014

    Issue Brief

    This issue brief analyzes spending and enrollment data made available by CMS through the MBES. It breaks out spending and enrollment for the new adult group (Group VIII) that gained coverage in states that adopted the ACA Medicaid expansion. It looks at spending and enrollment for the new adult group in calendar year 2014, putting such data in the context of overall Medicaid spending and enrollment and examines trends across expansion states.

  • 34 States Will Be Affected by the King v. Burwell Decision

    State-by-State Effects of a Ruling for the Challengers in King v. Burwell

    Interactive

    A map and table showing the number of people now receiving premium subsidies who would lose them if the Court finds for the challengers; the total amount of federal subsidy dollars; the average subsidy (or average premium tax credit) that subsidized enrollees have qualified for; and the average increase in premiums that subsidized enrollees would face if the subsidies are disallowed.

  • Kaiser Health Tracking Poll: June 2014

    Feature

    As many employers begin to expand their wellness programs under new guidelines set forth by the Affordable Care Act (ACA), the latest Kaiser Health Tracking Poll finds workers oppose programs that make them pay higher premiums if they fail to participate or meet specific health goals. Overall public opinion of the ACA remains about the same as it has for the last several months, with a somewhat higher share of the public continuing to express an unfavorable view of the law (45%) than a favorable one (39%).

  • Health Policy News Index, June 2014: Bergdahl And VA News Capture Public’s Attention

    Kaiser Health Policy News Index: June 2014

    Feature

    This month's Health Policy News Index finds more than six in 10 say they followed
    news about long waiting lists for those seeking care at Veterans Affairs (VA) medical facilities closely.
    That makes the VA story the most closely followed health story in the first half of 2014, with slightly
    more people following it than followed several ACA enrollment stories earlier this year.

  • Why the Political Heat on the ACA Is Cooling

    From Drew Altman

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman explores some early indicators that the political waters may be calming for the Affordable Care Act.

  • What’s Trending in Health Care? Conservative Ideas

    News Release

    What’s Trending in Health Care? Conservative Ideas In his latest column for The Wall Street Journal’s Think Tank, Drew Altman cuts through the political debate and reviews how some ideas conservatives like are taking hold in the American health system. All previous columns by Drew Altman are available online.