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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

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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  • The Role of Medicaid in State Economies and the ACA

    Issue Brief

    This brief summarizes findings from 32 studies in 26 states analyzing the anticipated impact of the Affordable Care Act Medicaid expansion (and in some cases full ACA implementation) on state and local economies.

  • State-by-State Estimates of the Number of People Eligible for Premium Tax Credits Under the Affordable Care Act

    Issue Brief

    Key provisions of the 2010 Affordable Care Act (ACA) create new Marketplaces for people who purchase insurance directly and provide new premium tax credits to help people with low or moderate incomes afford that coverage. This analysis estimates that about 17 million people who are now uninsured or who buy insurance on their own (“nongroup purchasers”) will be eligible for premium tax credits in 2014. This issue brief provides national and state estimates for tax credit eligibility for people in these groups.

  • States’ Participation in Six Key Medicaid Long-Term Services and Supports Options Provided or Enhanced by the Affordable Care Act

    Feature

    States’ Participation in Six Key Medicaid Long-Term Services and Supports Options Provided or Enhanced by the Affordable Care Act Download Source M. O’Malley Watts, M. Musumeci, and E. Reaves, How is the Affordable Care Act Leading to Changes in Medicaid Long-Term Services and Supports (LTSS) Today? State Adoption of Six LTSS Options, The Henry J.

  • Obamacare y usted

    Fact Sheet

    "Obamacare y usted" es una serie de materiales que explican cómo la Ley de Cuidado de Salud a (Affordable Care Act o ACA en inglés), también llamada “Obamacare,” afecta a diferentes grupos de personas.

  • ACA Open Enrollment: If You Are Low-Income

    Fact Sheet

    This fact sheet explains 2020 health coverage options that may be available to people who have low incomes, including Medicaid coverage or individual insurance plans through Affordable Care Act (ACA) marketplaces.

  • Kaiser Health Tracking Poll — July 2010

    Feature

    The July Health Tracking Poll indicates overall public support for the health reform law is steady from June, while unfavorable views of the law have trended downward.  Half the public (50%) now expresses a favorable view of the law, while 35 percent say they have an unfavorable opinion (down from 41% in June).

  • Kaiser Health Tracking Poll: February 2013

    Feature

    The February Kaiser Health Tracking Poll focuses on some of the health policy implications of this winter’s national debate over gun violence, gun control and the adequacy of the nation’s response to the needs of those living with serious mental illness. The survey finds that one in five Americans have some connection to a victim of gun violence, a share that doubles to 42 percent among blacks.