Affordable Care Act

The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

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, according to a KFF survey conducted in 2025.

New AND NOTEWORTHY

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.

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  • Two-Thirds of the Public Say the U.S. Should Play a Major Role in Distributing COVID-19 Vaccines Globally, But Not Most Republicans

    News Release

    With increased attention to the global need for COVID-19 vaccines and the Biden administration’s announcement today about how it plans to distribute the first portion of the 80 million doses it will share by the end of this month, the latest KFF Health Tracking Poll finds that two-thirds of the public (66%) say that the U.S. should play at least a “major role” in distributing COVID-19 vaccines to other countries, including about a quarter (27%)…

  • This chart shows how the prevalence of surprise bills varies by condition.

    Before New Ban, the Prevalence of Surprise Bills

    Feature

    Patients with certain conditions appear to be at higher risk for receiving surprise bills. They should be aware of new federal protections against surprise bills and know how to seek out help if they have improperly received one.

  • Nearly 9 Million Uninsured Americans Could Get Free or Subsidized Health Insurance if the Biden Administration Re-Opens ACA Marketplace Enrollment in Response to COVID-19

    News Release

    Four million uninsured people could get an ACA bronze plan with no premium payment and 4.9 million others could get subsidies to offset the cost of such a plan if the Biden Administration were to re-open ACA marketplace enrollment, a KFF analysis finds. Four million uninsured people could get an ACA bronze plan with no premium payment and 4.9 million others could get subsidies to offset the cost of such a plan if the Biden…

  • Ten Changes to Watch in Open Enrollment 2022

    Issue Brief

    Even as the ninth annual Open Enrollment period gets underway, the Affordable Care Act (ACA) Marketplaces continue to evolve and important changes are expected. This issue brief discusses what changes to watch out for in the coming enrollment period.

  • Analysis of Insurer Participation in 2016 Marketplaces

    Issue Brief

    As Marketplace enrollees begin to shop for coverage starting in 2016, the number of insurance choices available to them is changing in some parts of the country.  In early 2015, an average of 6.1 insurer groups offered coverage in each state, up from an average of 5.0 in 2014.  Since then, some insurers have announced their exit or been required to withdraw from the Marketplaces, most notably a number of nonprofit Consumer Operated and Oriented…

  • Understanding Health Insurance

    Video

    The YouToons help consumers understand health insurance by explaining health insurance premiums, out-of-pocket costs, and provider networks. These three videos are excerpts from the 2014 YouToons video, Health Insurance Explained – The YouToons Have It Covered.

  • The Role of Language in Health Care Access and Utilization for Insured Hispanic Adults

    Issue Brief

    The ACA coverage expansions may help mitigate some barriers people with limited English proficiency (LEP) face in accessing coverage and care. However, individuals with LEP may still face increased barriers to care with coverage. This analysis examines differences in health care experiences between English- and Spanish-speaking Hispanic adults with insurance using data from the 2014 Kaiser Survey of Low-Income Americans and the ACA.

  • Health Care and the 2016 Debates

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, Drew Altman discusses the lack of attention to health in the primary debates and last week's Democratic forum in South Carolina.