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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 — October 2011

    Feature

    The October health tracking poll finds a more negative overall public mood about the health reform law, driven largely by changes in support for the law among Democrats. The poll also asked the public’s impressions of the Massachusetts health reform law enacted under then- Gov.

  • Pulling it Together: Business and Health Care Costs

    Perspective

    Hidden away on page 218 of our annual Employer Health Benefits Survey is a table that shows what employers think of the main strategies they have to control health care costs.  More specifically, the table shows what the person in the firm responsible for its health benefits thinks, which is whom we survey.

  • Kaiser Health Tracking Poll — August 2011

    Feature

    The August tracking poll examines the views of Americans without health insurance, with a particular focus on how they think the health reform law will affect them.

  • Pulling it Together: 19.7

    Perspective

    Several years ago Joanne Silberner from NPR offered some advice I liked. Joanne said that the secret to effective communication was to "have a killer anecdote and a killer number." Here is a killer number: 19.7.

  • Pulling it Together: What Will Health Reform Do For Me?

    Perspective

    There is one poll number that may be more important to watch than any other if we have a big debate about health reform: The percentage of Americans who think that they or their families would be better off if the president and the Congress enacted major health reform legislation.

  • Kaiser Health Tracking Poll — February 2012

    Feature

    In the midst of continuing debate on the future of the Medicare program, the February Kaiser Family Foundation Tracking Poll finds most Americans and most seniors favor the status quo, though arguments about the program’s solvency have the potential to sway opinion toward new proposals.

  • The Digital Divide And Access To Health Information Online

    Poll Finding

    The Affordable Care Act (ACA) calls for a number of web-based initiatives, including development of the website healthcare.gov which provides a variety of health information and helps individuals find coverage options.