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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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  • One Big Thing People Don’t Know About Single Payer

    From Drew Altman

    In this Axios column, Drew Altman discusses a challenge for single payer which has not received much attention – a large share of the American people do not think they would have to change their current health insurance arrangements if there were a Medicare-for-all style single payer plan.

  • Factors Affecting States’ Ability to Respond to Federal Medicaid Cuts and Caps: Which States Are Most At Risk?

    Issue Brief

    This issue brief examines the factors that could affect states’ ability to cope with reductions in federal Medicaid funding of the sort proposed in the House-passed American Health Care Act (AHCA), which would eliminate enhanced federal matching funds for the Affordable Care Act’s Medicaid expansion and convert Medicaid to a per capita cap or block grant system of financing.

  • Kaiser Health Tracking Poll – July 2017: What’s Next for Republican ACA Repeal and Replacement Plan Efforts?

    Feature

    As the U.S. Senate continues to debate their plan to repeal and replace the ACA, the latest Kaiser Family Foundation tracking poll finds the public souring on the effort with a growing majority opposed to the plan and a large share that say the plan does not fulfill most of the promises President Trump has made about health care. Even among Republicans, the poll finds that about half would be “less likely” to support the Senate health plan if they heard it would increase premiums for most people who purchase their own insurance on the marketplace. In addition, a majority of the public would rather see Republicans in Congress work with Democrats to make improvements to the ACA but not repeal the law. The tracking poll also gauges the public's views on the proposed major reductions in federal funding for Medicaid as well as how these views are affected by counter-arguments.

  • Medicaid’s Role in Louisiana

    Fact Sheet

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

  • Medicaid’s Role in Tennessee

    Fact Sheet

    This fact sheet provides data on Medicaid's role in Tennessee and describes how implementing a per capita cap or block grant would affect Tennessee.

  • Section 1332 State Innovation Waivers: Current Status and Potential Changes

    Issue Brief

    Section 1332 of the Affordable Care Act (ACA) authorizes states to waive key requirements under the law in order to experiment with different health coverage models. As Republicans in Congress debate repeal and replacement of the ACA, renewed attention is being paid to these waivers as a mechanism for giving states flexibility to restructure their health care markets. This brief describes current 1332 waiver activity, including proposals in the Senate's Better Care Reconciliation Act (BCRA), and raises questions regarding the future of these waivers, particularly in the context of proposed changes under discussion.

  • How Single Payer Helps Republicans Change the Subject

    From Drew Altman

    In this Axios column, Drew Altman analyzes the political pros and cons of single payer for Democrats and whether it will shift the focus from the Republicans' failed effort to repeal and replace  the Affordable Care Act to the Democrats new sweeping plan.

  • Questions About Essential Health Benefits

    Perspective

    The Institute of Medicine (IOM) recently issued its long-awaited report on defining the essential health benefits under the Affordable Care Act (ACA).