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The ACA MarketplaceS

Tracking Insurer Changes in the ACA Marketplaces in 2027

As of June 22, six carriers have announced that they will exit the Marketplaces in plan year 2027, either in some or all states that they are currently offering plans; four carriers have announced they will enter new Marketplaces.

An image of text is an excerpt from Cynthia Cox's quick take which reads, "While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments — often in the double or even triple digits — with the expiration of enhanced tax credits."

ACA Marketplace Enrollment Is Down By 3 Million After Big Jump in Premium Payments

Enrollment dropped 13% following the expiration of enhanced premium tax credits at the beginning of this year. Enrollment fell from a high of 22.1 million people in 2025 to 19.2 million people in February 2026. While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments – often in the double or even triple digits – with the expiration of enhanced tax credits.

POLLING on the ACA

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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  • Covering The ACA May Be Almost As Hard As Implementing It

    From Drew Altman

    This Pulling It Together was adapted from a column I published earlier this week in Politico, with a new introduction added. You can read the original Politico column here. The implementation of the ACA is news and the public will demand information about it. Journalists and news organizations have an obligation to cover this story.  As Kaiser CEO I serve as the publisher of our non-profit news service, Kaiser Health News, and also as the head…

  • Women’s Health Quiz: Health Coverage and the Affordable Care Act

    Feature

    Health insurance coverage is a critical factor in making health care accessible to women—women with health coverage are more likely to obtain needed preventive, primary, and specialty care services. Test your knowledge of women’s health coverage and the effect of the Affordable Care Act on women with our ten-question quiz.

  • Testimony: Wellness Programs and Nondiscrimination Under Employer-Sponsored Group Health Plans

    Issue Brief

    This testimony by the Foundation's Karen Pollitz before the Equal Employment Opportunity Commission included background on wellness programs, wellness incentives and nondiscrimination since 1996, and questions and issues related to proposed regulations governing the design and application of wellness programs offered in conjunction with employer-sponsored group health plans.

  • Can We Learn From ACA Implementation and Improve the Law?

    From Drew Altman

    Senator Baucus made headlines recently when he predicted a “train wreck” for Obamacare. David Brooks predicted “chaos” in a recent column. In a news conference, the President offered a different perspective.  “There’ll still be, you know, glitches and bumps…. That’s pretty much true of every government program that’s ever been set up,” Obama said. “But if we stay with it, and we understand what our long-term objective is, which is making sure that in a…

  • Kaiser Health Tracking Poll: April 2013

    Feature

    With open enrollment in new health coverage options created under the Affordable Care Act set to begin in October, much of the public remains confused about the status of the law. The April 2013 Kaiser Health Tracking Poll provides a rough baseline of public awareness of the ACA before more intensive consumer information and consumer assistance efforts begin.

  • ACA 101: What You Need to Know

    Event Date:
    Event

    Useful review for anyone seeking to comprehend complex issues leading up to major implementations taking effect in 2014

  • Summary of the Affordable Care Act

    Fact Sheet

    This document summarizes the comprehensive 2010 health reform law, often called the Affordable Care Act or ACA, including changes made to it by subsequent legislation, with a focus on provisions to expand coverage, control costs, and improve delivery systems.

  • Study Finds Recent Slowdown in Health Spending Growth Mostly Tied to the Economy

    News Release

    Growth Expected To Move Towards Historical Levels In Coming Years As the Economy Recovers A new Kaiser Family Foundation analysis of how the economy affects the nation’s health spending concludes that the record slow growth rate of recent years stems largely from economic factors beyond the health system, with the economy explaining 77 percent of the slowdown, and more rapid growth expected in coming years if the economy strengthens as expected. Based on statistical modeling…