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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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  • Medicaid’s Role in Ohio

    Fact Sheet

    This fact sheet provides data on Medicaid's role in Ohio. It describes how ending the enhanced match for Medicaid expansion and implementing a per capita cap or block grant would affect Ohio.

  • Public Wants Republicans to Work with Democrats on Health Care

    From Drew Altman

    In this column for Axios, Drew Altman discusses a new poll finding showing substantial support for Republicans to drop repeal and work with Democrats on improving the Affordable Care Act, from the general public, Trump supporters, and Republicans.

  • Using Medicaid to Wrap Around Private Insurance: Key Questions to Consider

    Issue Brief

    This issue brief raises three key questions for consideration if using Medicaid to wrap around private coverage is going to be considered as an alternative to the ACA's Medicaid expansion under the BCRA. We draw on existing information about state Medicaid premium assistance programs to date, the administrative complexity involved, and the financing implications of premium assistance programs.

  • High-Risk Pools For Uninsurable Individuals

    Issue Brief

    For more than 35 years, many states operated high-risk pool programs to offer non-group health coverage to uninsurable residents. The federal government also operated a temporary high-risk pool program established under the Affordable Care Act (ACA) to provide coverage to people with pre-existing conditions in advance of when broader insurance market changes took effect in 2014. This issue brief reviews the history of these programs to provide context for some of the potential benefits and challenges of a high-risk pool.

  • How ACA Marketplace Premiums Measure Up to Expectations

    Perspective

    Premium increases in the health insurance marketplaces created under the Affordable Care Act (ACA) will likely be higher in 2017 than in recent years; however, the actual average benchmark premium in the ACA marketplaces in 2016 is below what the Congressional Budget Office projected for 2016 before the health law was passed. How actual marketplace premiums compare to what CBO expected in doing those budget projections is an important factor in determining whether the ACA continues to be on track to reducing the deficit.

  • A Final Look: California’s Previously Uninsured after the ACA’s Third Open Enrollment Period

    Report

    The Kaiser Family Foundation California Longitudinal Panel Survey is a series of surveys that, over time, tracked the experiences and views of a representative, randomly selected sample of Californians who were uninsured prior to the major coverage expansions under the Affordable Care Act (ACA). The initial baseline survey was conducted with a representative sample of 2,001 nonelderly uninsured Californian adults in summer 2013, prior to the ACA’s initial open enrollment period. After each enrollment period concluded, a survey was conducted of the same group of previously uninsured Californians who participated in the baseline (a longitudinal panel survey). The fourth and final survey in the series, and the focus of this report, followed up with them after the third open enrollment period in spring 2016 to find out whether more have gained coverage, lost coverage, or remained uninsured, what barriers to coverage remain, how those who now have insurance view their coverage, and to assess the impacts that gaining health insurance may have had on financial security and access to care.

  • Findings from the Field: Medicaid Delivery Systems and Access to Care in Four States in Year Three of the ACA

    Issue Brief

    Based on case studies and focus groups, this brief reviews delivery systems and access to care for Medicaid enrollees in Colorado, Connecticut, Kentucky, and Washington as of Spring 2016. The findings provide an on-the-ground view of Medicaid delivery systems and enrollees’ experiences accessing care three years after implementation of the Medicaid expansion. This brief builds on previous reports that examined states’ preparation for implementation prior to the initial ACA open enrollment period and their experiences after completion of the first and second open enrollment periods.