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Affordable Care Act

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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

ACA 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

POLLING

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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  • Data Note: 5 Misconceptions Surrounding the ACA

    Feature

    On the seventh anniversary of the passing of the Affordable Care Act, this Data Note highlights five of the most common misconceptions surrounding the 2010 health care law.

  • Implications of Reduced Federal Medicaid Funds: How Could States Fill the Funding Gap?

    Issue Brief

    In this analysis, we present three scenarios of reductions in federal Medicaid spending and examine fiscal implications if states fill these financing gaps to maintain their programs and if all reductions are assumed to be in full effect in FFY 2015 (the most recent year for which Medicaid spending data is available). To fill these gaps in financing and maintain current Medicaid programs, we assume states will increase state spending for Medicaid by increasing state taxes or reducing education spending. This analysis is unlike the CBO estimate, which makes projections and accounts for changes in policy, state responses to make changes to Medicaid programs, and reductions in coverage.

  • U.S. Public Opinion on Health Care Reform, 2017

    Feature

    This slideshow supports a Visualizing Health Policy infographic with JAMA, spotlighting public opinion on health reform in the United States as of 2017, including priorities and views of the Affordable Care Act (also known as Obamacare) and its provisions.

  • Restructuring Medicaid in the American Health Care Act: Five Key Considerations

    Issue Brief

    On March 9, the House Ways and Means Committee and Energy and Commerce Committee passed the American Health Care Act, the Republican leadership’s plan to repeal and replace the ACA. The Congressional Budget Office estimates that the House bill would reduce federal Medicaid spending by $880 billion over ten years by capping federal Medicaid spending and ending enhanced federal funding for Medicaid expansion adults. By 2026, federal Medicaid spending would be 25% lower than expected under current law, and 14 million fewer people would be covered by Medicaid than expected under current law. This brief considers five key Medicaid implications of the House bill.

  • Kaiser Health Tracking Poll: ACA, Replacement Plans, Women’s Health

    Feature

    The latest Kaiser Health Tracking Poll examines the public’s early attitudes towards the House Republican plan to repeal and replace the Affordable Care Act and finds that more expect the new plan will make things worse rather than better when it comes to the number of people with coverage and costs for those buying insurance on their own. The survey also measures public support for continuing current federal Medicaid funding to Planned Parenthood, gauges the importance of various ACA provisions for women’s and children’s health, and revisits the public's knowledge on key provisions included in the health care law.

  • Views of Governors and Insurance Commissioners on ACA Repeal and Changes to Medicaid: Responses to a Congressional Request for State Input on Health Reform

    Issue Brief

    This brief summarizes responses from governors and insurance commissioners in 35 states, including DC, to a request from members in the House of Representatives for state input on health care reforms. These responses provide insight into state leaders’ views on repeal and replacement of the ACA and the changes Congress is considering making to the financing and structure of Medicaid. It finds that respondents have mixed views on the ACA and potential repeal and replacement of the ACA; most respondents expressed cautions or concerns about repeal, which are shared among both Republicans and Democrats and those who oppose and support appeal; more respondents expressed concerns about capped Medicaid financing than indicated support, and those that expressed support included significant caveats; less than half of respondents, mostly Republican, cited interest in increased state Medicaid flexibility; over half of respondents supported returning authority to states to regulate insurance markets; and few respondents expressed interest in allowing the sale of insurance across state lines, HSAs, or high risk pools.

  • How Affordable Care Act Repeal and Replace Plans Might Shift Health Insurance Tax Credits

    Issue Brief

    The Affordable Care Act, also known as Obamacare, and leading replacement proposals rely on refundable tax credits to help individual market enrollees pay for premiums, although the credit amounts are set quite differently. This analysis compares estimates of an average 2020 tax credit amount under the ACA with averages under the House Republicans' American Health Care Act, introduced March 6, 2017.

  • Data Note: Variation in Per Enrollee Medicaid Spending Across States

    Issue Brief

    Proposals to transition Medicaid a block grant or per capita cap would reduce federal spending. To understand per capita cap proposals, it is helpful to understand variation in per enrollee spending and per enrollee spending growth across states and enrollment groups. A per capita cap policy could lock in historic variation. This data note uses interactive maps and tables to show variation in per enrollee spending and spending growth by state and eligibility group.