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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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  • What Are the Implications for Medicare of the American Health Care Act and the Better Care Reconciliation Act?

    Issue Brief

    This issue brief highlights a major implication of the American Health Care Act and Better Care Reconciliation Act for Medicare. Both bills would repeal the Affordable Care Act provision to increase the payroll tax on high-income earners. Repealing this surtax would move up the insolvency date of the Medicare Part A trust fund by 2 years, from 2028 to 2026, and also worsens the program's long-term financial outlook.

  • Medicaid’s Role in Ohio

    Fact Sheet

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

  • Public Wants Republicans to Work with Democrats on Health Care

    From Drew Altman

    In this column for Axios, Drew Altman discusses a new poll finding showing substantial support for Republicans to drop repeal and work with Democrats on improving the Affordable Care Act, from the general public, Trump supporters, and Republicans.

  • 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…

  • State-by-State Estimates of Reductions in Federal Medicaid Funding Under Repeal of the ACA Medicaid Expansion

    Issue Brief

    Congressional debate around the Affordable Care Act (ACA) has recently included a proposal to repeal the ACA, including the provision allowing states to extend Medicaid to childless adults up to 138% FPL and providing enhanced federal funds for the Medicaid expansion. This brief provides estimates of changes in federal Medicaid funds and Medicaid coverage for adults covered through the ACA expansion if the expansion is eliminated starting in 2020. A repeal of the Medicaid expansion…

  • Senate Health Bill Proposes Big Changes to Medicaid Beyond Repealing and Replacing the ACA

    News Release

    The Better Care Reconciliation Act (BCRA) under consideration in Congress includes provisions that would fundamentally change Medicaid by phasing out extra federal funding for states’ Medicaid expansions and for the first time limiting federal spending on Medicaid through a per enrollee cap on financing or a block grant for certain adults. While those measures account for most of the bill’s $756 billion reduction in federal Medicaid spending over the next decade, there are other big…

  • How the Loss of Cost-Sharing Subsidy Payments is Affecting 2018 Premiums

    Issue Brief

    This analysis of 32 states and Washington, D.C., tracks data on 2018 Affordable Care Act (ACA) marketplace premium increases that insurers directly attributed to the end of cost-sharing reduction payments, which reimburse insurers for providing marketplace health plans with reduced out-of-pocket costs for lower-income people. Following months of uncertainty, the Trump administration announced on Oct. 12 that the payments would be discontinued immediately, although insurers must still offer the subsidized coverage.