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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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  • Improving the Affordability of Coverage through the Basic Health Program in Minnesota and New York

    Issue Brief

    To date, Minnesota and New York are the only states to have adopted a Basic Health Program (BHP), an option in the Affordable Care Act (ACA) that permits state-administered coverage in lieu of marketplace coverage for those with incomes below 200% of the federal poverty level (FPL) who would otherwise qualify for marketplace subsidies. BHP covers adults with incomes between 138-200% of FPL and lawfully present non-citizens with incomes below 138% FPL whose immigration status…

  • What’s at Stake in a Potential Repeal of the ACA Medicaid Expansion?

    News Release

    President-elect Trump and Republican leaders in Congress have vowed to repeal the Affordable Care Act (ACA) and replace it with an alternative plan. There are now 32 states (including DC) that have adopted the ACA’s Medicaid expansion. While the details of a repeal-and-replace plan are not yet available to assess its impact, a new brief reveals what’s potentially at stake for Medicaid in the debate by examining the changes in health coverage and financing that…

  • How the Republican Health Agenda Could Play Out

    From Drew Altman

    In this Wall Street Journal Think Tank column Drew Altman discusses how Republicans will assume ownership of health care’s policy and political problems as they assume control, and how that may affect their plans for the Affordable Care Act, Medicaid and Medicare.

  • After the Election, the Public Remains Sharply Divided on Future of the Affordable Care Act

    News Release

    Among Those Who Favor Repeal, Arguments About Loss of Coverage for Those with Pre-Existing Conditions Can Sway Some Opinions Many Obamacare Provisions Remain Broadly Popular Across Party Lines, But Not its Mandate The first Kaiser Health Tracking Poll since the 2016 election finds that Americans are largely divided on the future of the Affordable Care Act even though many of the law’s major provisions remain quite popular across party lines. The new survey finds that…

  • Kaiser Health Tracking Poll: November 2016

    Feature

    The November Kaiser Health Tracking Poll, conducted one week after the 2016 presidential election, finds health care played a limited role in voters’ 2016 election decisions. While President-elect Trump and Republican lawmakers have made it clear that one of their top priorities is the repeal of the Affordable Care Act, the survey finds Americans are divided on what they want to see lawmakers do to the health care law. This survey also finds that many…

  • Key Medicaid Questions Post-Election

    Fact Sheet

    This fact sheet provides insight into how a repeal of the Affordable Care Act (ACA) and changes in the financing structure would affect Medicaid, including the Medicaid expansion, and how a Trump administration could change Medicaid through administrative actions.

  • The Bigger Story, and Agenda, Behind GOP Changes to Obamacare, Medicare and Medicaid

    From Drew Altman

    This column was published as a Wall Street Journal Think Tank column on November 21, 2016. Early media coverage of the Republican health-care agenda has concentrated on plans to repeal and then replace the Affordable Care Act. The larger story is GOP preparations for a health policy trifecta: to fundamentally change the ACA, Medicaid and Medicare–all three of health care’s major programs–and in the process, fundamentally alter the direction of the federal role in health and core elements…

  • How Does Where You Work Affect Your Contraceptive Coverage?

    Interactive

    The Affordable Care Act (ACA) requires most private health insurance plans to provide coverage for a broad range of preventive services including FDA approved prescription contraceptives and services for women. Legal challenges and recently issued rules have affected contraceptive coverage for many women.