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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.”

new and noteworthy
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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  • Media Briefing to Release New Survey Tracking California’s Previously Uninsured Residents Under the Affordable Care Act

    Event Date:
    Event

    Media-only web briefing that released a new survey tracking the experiences of California's previously uninsured residents under the Affordable Care Act (ACA). New survey provides a detailed assessment of how well the ACA is working for previously uninsured residents in a state that embraced the ACA's coverage expansion opportunities by establishing the Covered California insurance marketplace and expanding its Medi-Cal program.

  • California’s Previously Uninsured After The ACA’s Second Open Enrollment Period

    Report

    The Kaiser Family Foundation California Longitudinal Panel Survey is a series of surveys that, over time, tracks the experiences and views of a representative, randomly selected sample of Californians who were uninsured prior to the major coverage expansions under the Affordable Care Act (ACA). The initial baseline survey was conducted with a representative sample of 2,001 nonelderly uninsured Californian adults in summer 2013, prior to the ACA’s initial open enrollment period. The second survey in…

  • New Survey Finds 68 Percent of Previously Uninsured Adult Californians Gained Coverage Since the ACA’s Implementation

    News Release

    Steep Drops in Problems Paying For and Getting Care among Recently Insured, But Affordability and Access Problems Remain Eligible Latinos Obtained Coverage at Similar Rates as Whites; People Ineligible Due to Immigration Status Now Make Up 41% of Remaining Uninsured   MENLO PARK, Calif. - About two thirds (68%) of previously uninsured Californians have health coverage after the Affordable Care Act's second open enrollment period, and this group is now much more likely to report…

  • Will the Iran Debate Defuse Partisan Battles Over Obamacare?

    News Release

    In his latest column for The Wall Street Journal's Think Tank, Drew Altman discusses whether the debate about the Iran deal may bring a respite for the Affordable Care Act from politics as usual, and how long it might last. All previous columns by Drew Altman are available.

  • Will the Iran Debate Defuse Partisan Battles Over Obamacare?

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman discusses whether the debate about the Iran deal may bring a respite for the Affordable Care Act from politics as usual, and how long it might last.

  • Takeaways From Alaska’s Medicaid Expansion

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, Drew Altman discusses the implications of the governor of Alaska’s decision to move ahead unilaterally with Medicaid expansion.

  • Takeaways From Alaska’s Medicaid Expansion

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman discusses the implications of the governor of Alaska’s decision to move ahead unilaterally with Medicaid expansion. All previous columns by Drew Altman are available.

  • Updated Infographic Explains New Federal Regulations on Contraceptive Coverage

    News Release

    A newly-updated infographic from the Kaiser Family Foundation explains the final regulations on employer-based coverage of birth control released today by the U.S. Department of Health & Human Services. How Does Where You Work Affect Your Contraceptive Coverage? provides a clear explanation of coverage requirements under the new regulations for employers with religious objections to contraceptive coverage, including houses of worship, religiously-affiliated nonprofits and closely-held for-profit corporations. A related summary, also updated to reflect the new regulations,…

  • What a Break in the Obamacare Battles Could Bring

    News Release

    Following the Supreme Court’s King v. Burwell decision, the Affordable Care Act could use a break from the intense political heat, though it may not get a long one as the 2016 election season heats up and presidential candidates play to their bases on health care, writes Drew Altman in his latest column for The Wall Street Journal’s Think Tank. All previous columns by Drew Altman are available.

  • What a Break in the Obamacare Battles Could Bring

    From Drew Altman

    Following the Supreme Court’s King v. Burwell decision, the Affordable Care Act could use a break from the intense political heat, though it may not get a long one as the 2016 election season heats up and presidential candidates play to their bases on health care, writes Drew Altman in his latest column for The Wall Street Journal’s Think Tank.