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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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  • Kaiser Health Tracking Poll – August 2017: The Politics of ACA Repeal and Replace Efforts

    Feature

    Following the U.S. Senate’s failed vote on the “skinny repeal”, the latest Kaiser Health Tracking Poll finds that the majority of the public say it is a “good thing” that the Senate did not pass the bill that would have repealed and replaced the ACA. A large share of Americans think President Trump and his administration should do what they can to make the current health care law work and a majority of the public…

  • Data Note: Modestly Strong but Malleable Support for Single-Payer Health Care

    Feature

    The latest Kaiser Health Tracking poll finds that while there has been a modest increase in the public’s level of support for single-payer in recent years, a substantial share of the public remains opposed to such a plan, and opinions are quite malleable when presented with the types of arguments that would be likely to arise during a national debate.

  • Kaiser Health Tracking Poll – June 2017: Women’s Health

    Feature

    The Affordable Care Act (ACA) requires employers to cover the full cost of prescription birth control as part of their health insurance plans. The June Kaiser Health Tracking Poll finds that a majority of the public support the requirement for private health insurance plans to cover the full cost of birth control. This includes a majority of Democrats, independents, and Republicans.

  • The Past, Present, And Possible Future Of Public Opinion On The Affordable Care Act

    Feature

    This Health Affairs article reviews 102 nationally representative public opinion polls in the period 2010–19 and finds public opinion has shifted in a sustained way at only two points in time: in a negative direction following technical problems in the first enrollment period, and in a positive direction after President Donald Trump’s election and subsequent Republican repeal efforts.

  • Kaiser Health Policy Tracking Poll: December 2014

    Feature

    With many of the Affordable Care Act’s (ACA) major provisions taking effect this past year, the December Kaiser Health Tracking Poll finds that many Americans are aware of the main parts of the law and, with the exception of the individual mandate, at least 6 in 10 feel favorably towards them. The poll finds the vast majority of the uninsured don’t know the deadline to enroll, most expect to get health insurance in the next…

  • Kaiser Health Policy News Index: November 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. According to this month’s index, the public remains captivated by news coverage of the Ebola virus. Fewer, but still substantial shares, report following the conflicts in Iraq and Syria and the results of the midterm elections.

  • Kaiser Health Tracking Poll: November 2014

    Feature

    Following the Nov. 4 midterm elections, nearly half of Americans expect increased debate between the two parties over the Affordable Care Act. In comparison, 42 percent say the amount of debate will not change, and very few (5%) say it will decrease. Conducted just prior to the start of the ACA's second open enrollment season, the poll also probes the views of people without health insurance, one of the key target groups for outreach and…

  • Kaiser Calculator Now Gives Consumers 2015 Zip Code-Specific Premium and Tax Credit Estimates for Marketplace Coverage

    News Release

    The Kaiser Family Foundation's Health Insurance Marketplace Calculator now includes zip code-specific data on 2015 health plans that are being sold through the Affordable Care Act’s insurance marketplaces during the open enrollment period beginning Saturday, Nov. 15. With the new tool, consumers around the nation can generate estimates of their health insurance premiums and government subsidies for 2015 plans that they purchase on their own through an ACA marketplace. The estimates are based on zip…

  • Kaiser Health Policy News Index: April 2015

    Feature

    The health policy stories included in this month’s Kaiser Health Policy News Index were followed closely by about 4 in 10 Americans. Of the stories asked about this month, the one that garnered the most attention was coverage of the white police officer charged with the murder of an unarmed black man in South Carolina. Over half report closely following other stories, including the Germanwings plane crash in the French Alps, a new religious freedom…