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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

Enhanced Premium tax credits

2025 KFF Marketplace Enrollees Survey

If their premium payments double, about one in three ACA enrollees say they would be “very likely” to look for a lower-premium Marketplace plan.

Timely insights and analysis from KFF staff

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  • Trends in Employer-Sponsored Insurance Offer and Coverage Rates, 1999-2014

    Issue Brief

    This issue brief uses data from the National Health Interview Survey (NHIS) to examine trends in employer-sponsored health insurance (ESI) for different of individuals and households in the United States. While ESI remains the leading source of coverage for nonelderly people, the percentage covered by an employer plan has declined over the past 15 years. A similar pattern exists with firm offer rates; fewer workers were offered health insurance from their employer in 2014 than in 1999. Families with low and modest incomes have been most affected by these declines.

  • On Medicaid Expansion, History Matters

    From Drew Altman

    In his latest column, KFF President and CEO Drew Altman discusses the history of the battles over the ACA’s provisions that were designed to expand coverage for the uninsured, which helps explain the effort to cut federal funding for the Medicaid expansion today. The real underlying issues, he says, are the same divisions that have always plagued the debate about covering the uninsured.

  • Deductibles in ACA Marketplace Plans, 2014-2026

    Fact Sheet

    This analysis documents average deductibles for Affordable Care Act Marketplace plans available on Healthcare.gov in 2026 for all metal tiers, including silver plans after cost-sharing reductions are applied, as well as trend data since 2014.

  • Poll: Public Views “Big Beautiful Bill” Unfavorably by Nearly a 2-1 Margin; Democrats, Independents and Non-MAGA Republicans Oppose It, While MAGA Supporters Favor It

    News Release

    Medicaid Work Requirements Are Generally Popular, But Arguments Can Shift Views Nearly two-thirds (64%) of the public holds unfavorable views of the “One Big Beautiful Bill” passed last month by the House, nearly twice the share who view the bill favorably (35%), a new KFF Health Tracking Poll finds.

  • How Might Changes to the ACA Marketplace Impact Enrollees with Mental Health Conditions?

    Issue Brief

    This brief estimates the number of current Marketplace enrollees with a mental health diagnosis to understand what changes in enrollment may mean for access to services. Among the 24.3 million Marketplace enrollees in 2025, over 4.4 million individuals are estimated to have at least one mental health diagnosis on a health care claim.

  • A Look at State Efforts to Ban Cellphones in Schools and Implications for Youth Mental Health

    Issue Brief

    Education leaders and policymakers are turning to cellphone bans in schools to help address youth mental health concerns and improve learning, an idea that has largely received bipartisan support. Cellphone ban legislation has had a resurgence following advisories from the U.S. Surgeon General on youth mental health and the impacts of social media. Research on the effectiveness of these bans, however, is limited, and challenges with implementation and enforcement remain.

  • What is a self-funded/self-insured plan? How do I know if I have one?

    FAQs

    Many employers, especially large ones, offer workers health coverage that is known as a “self-funded” (also referred to as “self-insured”) arrangement, which is where the employer pays enrollees’ medical claims directly, as opposed to traditional health insurance (known as fully-insured), where the employer buys coverage from a state-regulated insurance company.