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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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  • Trends in Access to Care Among Working-Age Adults, 1997-2006

    Issue Brief

    Trends in Access to Care Among Working-Age Adults, 1997-2006 This policy brief finds about 39 million working-age adults nationally reported cost as a barrier to receiving needed health care in 2006, a number that grew by an average of 1 million people annually over the decade studied.

  • Kaiser Health Tracking Poll: Election 2008 — September 2008

    Poll Finding

    The latest Kaiser Health Tracking Poll: Election 2008 finds that health care has crept up in importance as an election issue in recent months among a key voting group: political independents, who ranked it as highly as Democrats did in this poll.

  • 2008 Presidential Candidates: Health Care Issues Side-by-Side

    Other Post

    Health care has been an important issue in the 2008 presidential campaign and the candidates have staked out positions on key health care issues. Both major party candidates have developed comprehensive health care reform proposals addressing health coverage and access, rising health care costs and health care quality.

  • Pulling It Together: What Do We Want Health Insurance To Be?

    Perspective

    Trends in the health insurance marketplace show substantial growth in high deductible health plans, especially among smaller firms, where 35% of workers are now covered by plans with a deductible of $1,000 or more. That's according to our recently released employer health benefits survey, which we have been conducting now for ten years.

  • Covering the Uninsured: Options for Reform

    Issue Brief

    Download PDF Key Facts on the Uninsured In 2007, 45 million nonelderly people in the United States lacked health coverage More than eight in ten uninsured people (81%) come from working families About two-thirds of the nonelderly uninsured are from low-income families (income below 200% of poverty, about $42,400 for a family of 4 in…