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Affordable Care Act

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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  • Kaiser Health Tracking Poll: June 2015

    Feature

    Given recent news about some high-cost prescription drugs and the debate about who should pay for them, this month’s Kaiser Health Tracking Poll has a special focus on the issue. Nearly three-quarters of the public think that the cost of prescription drugs is unreasonable. Americans place much of the blame with the drug companies saying they set prices too high and that company profits are a major factor in drug pricing. The poll also finds that most of the public still hasn’t heard much about the Supreme Court case on whether people in states with federal marketplaces are eligible for financial assistance to purchase health insurance. Most feel that Congress and states should act if the Court rules for the plaintiffs, but there is no agreement among partisans.

  • Medicaid Coverage of Pregnancy and Perinatal Benefits: Results from a State Survey

    Report

    This report details findings from a state survey on perinatal benefits in place as of July 1, 2015 for women enrolled in fee-for-service Medicaid through different eligibility pathways, including traditional pre-ACA Medicaid pathways, expansion, and pregnancy-related eligibility for the following services: basic prenatal care, counseling and support services, delivery and postpartum care, and breastfeeding supports.

  • Kaiser Health Tracking Poll – April 2017: The Fall of the AHCA and Next Steps for the ACA

    Feature

    The latest Kaiser Health Tracking Poll, fielded right after the U.S. House cancelled its vote on a plan to repeal and replace the Affordable Care Act (ACA), finds a majority of Americans saying it is a “good thing” that Congress did not pass the American Health Care Act (AHCA). And despite divided views about the ACA, three-fourths of the public say President Trump and his administration should do what they can to make the existing health care law work. The survey also explores who the public blames for the failure of the Republican bill and next steps for President Trump and Republicans in Congress.

  • 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.

  • 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.