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The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

In 2025, 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.

Cost Concerns and Coverage Changes: A Follow-Up Survey of ACA Marketplace Enrollees

Following the expiration of the enhanced premium tax credits for people with Affordable Care Act (ACA) Marketplace plans, a new KFF follow-up survey of the same Marketplace enrollees KFF surveyed in 2025 finds half (51%) of returning enrollees say their health care costs are “a lot higher” this year compared to last year, including four in 10 who specifically say their premiums are “a lot higher.”

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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

Timely insights and analysis from KFF staff

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  • How Narrow or Broad Are ACA Marketplace Physician Networks?

    Report

    This report examines the share of doctors participating in the provider networks of Qualified Health Plans (QHPs) offered in the individual market in the federal and state Marketplaces in 2021, and how network breadth affected costs for enrollees.

  • A Medicaid Per Capita Cap: State by State Estimates

    Issue Brief

    This analysis examines the potential impacts on states, Medicaid enrollees, and providers of implementing a per capita cap on federal Medicaid spending, which is one proposal that has been discussed in Congress. Such a plan could decrease federal Medicaid spending by $532 billion to almost $1 trillion over a 10-year period, depending on how states respond. An estimated 15 million people could lose Medicaid coverage by 2034.

  • Health Provisions in the 2025 Federal Budget Reconciliation Law

    Issue Brief

    On July 4, President Trump signed the budget reconciliation bill, previously known as the “One Big Beautiful Bill Act,” into law. This summary provides background, description, budgetary impact and related information on the health care provisions of the law in four categories: Medicaid, the Affordable Care Act, Medicare and Health Savings Accounts (HSAs).

  • Medicaid as a Potential New Third Rail of US Politics

    Perspective

    In this JAMA Forum column, KFF's Larry Levitt examines Medicaid's growing political importance and the potential double whammy that could hit state Medicaid programs next year with the end of the COVID-19 public health emergency and a possible simultaneous recession.

  • Nine Changes to Watch in ACA Open Enrollment 2023

    Policy Watch

    The 2023 Affordable Care Act (ACA) Open Enrollment period will run from November 1, 2022 to January 15, 2023 in most states, longer in some state-based marketplaces. This policy watch examines nine changes that may affect what enrollees pay for coverage, the size of tax credits for those eligible, and other changes that could affect enrollees' experiences.

  • Surprise Medical Bills are Ending, But Controversy Continues

    Perspective

    In this column for the JAMA Health Forum, Larry Levitt examines how the No Surprises Act that prohibits unexpected out-of-network charges for patients could lead to lower payment rates and revenues for some doctors and other care providers.

  • Kaiser Health Policy News Index: August-September 2014

    Feature

    The latest Kaiser Health Policy News Index finds that attention to health policy stories in August took a back seat to breaking national news such as the unrest in Ferguson, Missouri, international events in the West Bank, Syria and Ukraine and a global health story, the Ebola outbreak in West Africa. The only U.S. health policy news story that garnered a significant amount of public attention this month was the passage of a bill in Congress to overhaul the Veterans Affairs health system.

  • Kaiser Health Policy News Index: February 2014

    Feature

    The Kaiser Health Policy News Index is designed to help journalists and policymakers understand which health policy-related news stories Americans are paying attention to, and what the public understands about health policy issues covered in the news. This month’s Index finds that the implementation of the Affordable Care Act (ACA) was the most-closely followed health policy news story this month, ranking behind news of the U.S. economy. The survey also finds that the news media is by far the public’s top source of information on the ACA, and the public believes media coverage of the law has focused more on politics and controversies than the impact on people.

  • Kaiser Health Policy News Index: January 2014

    Feature

    The Kaiser Health Policy News Index is designed to help journalists and policymakers understand which health policy-related news stories Americans are paying attention to, and what the public understands about health policy issues covered in the news. This month's index looks at the public’s attention to the ongoing rollout of the Affordable Care Act (ACA), as well as other news stories including the release of a major government study on health care costs.

  • Kaiser Health Tracking Poll: January 2014

    Feature

    With enrollment in new coverage options underway, a majority of the public believes that only “some” of the ACA’s provisions have been put into place, while just about one in five think “most” or “all” of the law has been implemented. Awareness of the law’s individual mandate and health insurance exchanges has increased slightly since last year, but about four in ten of the public overall and half the uninsured remain unaware of other major provisions. For the third month in a row, overall views of the law remain at their post-rollout more negative levels (50 percent unfavorable, 34 percent favorable), though over half the public – including three in ten of those who view the law unfavorably – say opponents should work on improving the law rather than keeping up efforts to repeal it.