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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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  • Kaiser Health Tracking Poll — August 2010

    Feature

    The August Health Tracking Poll finds that support for health reform fell over the course of August, dipping from a 50 percent favorability rating in July to 43 percent, while 45 percent of the public reported unfavorable views.

  • Optimizing Medicaid Enrollment: Spotlight on Technology

    Report

    The health reform law provides for a national expansion of Medicaid in 2014 that will extend eligibility to millions more low-income people, primarily uninsured adults. It also requires implementation of a coordinated system for determining eligibility for Medicaid and subsidized coverage in the new health insurance exchanges.

  • Kaiser Health Tracking Poll — July 2010

    Feature

    The July Health Tracking Poll indicates overall public support for the health reform law is steady from June, while unfavorable views of the law have trended downward.  Half the public (50%) now expresses a favorable view of the law, while 35 percent say they have an unfavorable opinion (down from 41% in June).

  • Overall Public Support for the Health Reform Law Is Steady from June

    Perspective

    The July Kaiser Health Tracking Poll indicates overall public support for the health reform law is steady from June, while unfavorable views of the law have trended downward somewhat. Half the public (50%) now expresses a favorable view of the law, while 35 percent say they have an unfavorable opinion (down from 41% in June).

  • Pulling it Together: Seniors and Health Reform

    Perspective

    It is widely believed that seniors are antsy about the new health reform law. And there is heightened interest in how seniors feel about the law in the political world because they are more likely to vote in midterm elections.