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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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  • Transparency and Complexity

    Perspective

    This fall a new rule takes effect requiring all private health plans to offer a uniform, simple to read, summary of benefits and coverage (SBC).  The SBC will provide consumers with standardized information about how plans cover essential health benefits and what coverage limits and cost sharing applies. The SBC is one of the most popular provisions of the ACA.  Consumers often find health insurance difficult to understand and would no doubt welcome a plainly written…

  • KFF Data Note: Americans’ Views on the Personal Impact of the ACA and the Supreme Court’s Decision

    Perspective

    As the Supreme Court hears cases challenging the constitutionality of parts of the Affordable Care Act, a relatively small share of the public thinks the Supreme Court’s decision will have a lot of impact on their family (28 percent). At the same time, the public is divided as to whether the law overall will leave their own families better off (26 percent), worse off (33 percent), or if it won’t make much difference (34 percent).…

  • KFF Data Note: A Snapshot of Public Opinion on the Individual Mandate

    Perspective

    This week, the Supreme Court hears arguments on several challenges to the Patient Protection and Affordable Care Act (ACA), including the provision that requires individuals to purchase health insurance as of 2014, known as the individual mandate. For the two years since the law’s passage, and during the debate leading up to it, this provision has been one of the most controversial aspects of the law. As the lawyers, policymakers, ACA opponents and supporters focus…

  • The Individual Mandate: How Sweeping?

    Perspective

    The so-called "individual mandate"  – the provision under the Affordable Care Act (ACA) that requires most individuals to carry a minimum level of insurance coverage and is now being considered by the Supreme Court – has emerged as the least popular element of the reform law and the prime target for its opponents. Yet in practice, the mandate may not be quite as far-reaching as the controversy over it suggests. The vast majority of Americans already…

  • March Kaiser Health Tracking Poll: The ACA at Two Years; The Individual Mandate and the Supreme Court

    Perspective

    As the Patient Protection and Affordable Care Act (ACA) nears its second birthday, the latest Kaiser Health Tracking Poll finds that public opinion on the law remains evenly split (41 percent favorable, 40 percent unfavorable) with sharp divisions along partisan lines, much as it has been since the law was passed. With the Supreme Court preparing to hear challenges to the law later this month, about half the public thinks the Court should strike down the…

  • Kaiser Poll: Early Reaction to Supreme Court Decision on ACA

    Perspective

    Following last week's Supreme Court's decision upholding the heart of the Affordable Care Act (ACA), a majority of Americans (56 percent) now say they would like to see the law's detractors stop their efforts to block its implementation and move on to other national problems. In the first of two polls to be released this month looking at opinion on the ACA in the wake of the Court's decision, Democrats overwhelmingly say opponents should move…

  • KFF Health Security Watch Delaying Health Care to Avoid Cost Common

    Perspective

    While economic challenges facing the country continue and the Supreme Court is deciding the fate of the Affordable Care Act (ACA), May's Health Tracking Poll finds that the problems and concerns related to health care costs and access are wide-spread. A quarter report they have had problems paying medical bills in the past year and six in ten say they have cut corners to avoid health care costs. The survey also finds that health care can…

  • Data Note: Americans’ Views on the Personal Impact of the ACA and the Supreme Court’s Decision

    Poll Finding

    This Data Note draws from the March 2012 Kaiser Health Tracking Poll and examines people's impressions of how the law and the Court case will affect them, focusing primarily on those groups that are in the position to receive the greatest benefits. For the most part, those that stand to benefit most are not more likely than others to expect to be better off under the law, or to feel that the Supreme Court's decision…

  • State Marketplace Profiles: District of Columbia

    Other Post

    Final update made on October 1, 2013 (no further updates will be made) Establishing the Marketplace On December 20, 2011 the District of Columbia City Council gave final approval to a bill establishing the District of Columbia Health Benefit Exchange Authority (HBX) and in late January 2012, Mayor Vincent Gray (D) signed the legislation into law (Act 19-269).1  The bill was also subject to a 30-day Congressional review. In June 2013, the District of Columbia announced that its new…