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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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  • Premiums under the Senate Better Care Reconciliation Act

    Issue Brief

    This analysis provides estimates of how premiums, after taking into account tax credits, would differ in 2020 under the Senate's Better Care Reconciliation Act (BCRA) vs. the Affordable Care Act (ACA) for people currently enrolled in the federal and state insurance marketplaces.

  • ACA Replacement Plans and the Individual Market

    Feature

    This slideshow compares premiums and tax credits under proposed replacement plans for the Affordable Care Act, including the Senate's Better Care Reconciliation Act and the House-passed American Health Care Act.

  • The Republican Base is Getting Less Excited About Health Care

    From Drew Altman

    In this Axios column, Drew Altman explains that as Republican policymakers are focused on delivering a repeal of Obamacare for their base, polling shows that it’s not a top priority for Trump supporters, and their intensity on a replacement plan has declined, suggesting that the issue may not drive turnout for future elections.

  • Association Health Plans for Small Groups and Self-Employed Individuals under the Better Care Reconciliation Act

    Issue Brief

    A provision in the Senate Better Care Reconciliation Act (BCRA), a bill to repeal and replace the Affordable Care Act (ACA), would establish association health plan options for small employers and self-employed individuals. For these plans, the requirement that premiums cannot vary based on health status would not apply. This brief describes how association health plans could affect premiums in the small group and non-group markets.

  • Medicaid’s Role in Alaska

    Fact Sheet

    This fact sheet provides data on Medicaid's role in Alaska. It describes how ending the enhanced match for Medicaid expansion and implementing a per capita cap or block grant would affect Alaska.