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Affordable Care Act

The ACA MarketplaceS

Change in February effectuated enrollment, by state, 2025-2026

How Has ACA Marketplace Enrollment Changed Across States in 2026?

ACA Marketplace enrollment fell this year in every state except New Mexico, which was the only state to fully replace the enhanced premium tax credits that expired last year with a state-funded subsidy, according to a new KFF analysis of effectuated enrollment data. The Marketplace enrollment decline—the first in seven years—follows several years of rapid enrollment growth and coincides with the end of the enhanced federal subsidies.

How Much and Why ACA Marketplace Premiums Are Going Up in 2027

ACA Marketplaces insurers are proposing a median premium increase of 15% in 2027, according to KFF’s updated analysis of 276 insurers with publicly available filings across all 50 states and the District of Columbia. This is the second consecutive year of double-digit premium hikes. Last year’s median nationwide proposed rate change was 18%, and the median finalized rate change was 20%. While this proposed rate change is lower than last year, it represents the second-highest requested rate change since 2018, as premium growth had been relatively flat in this market for several years.

About the ACA

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Did the Affordable Care Act Make Health Care More Affordable?

The expiration of the ACA’s enhanced premium tax credits at the start of 2026, combined with rising insurer premiums, put a spotlight on health care affordability that extends beyond Marketplace enrollees. KFF’s Cynthia Cox examines the ACA’s record and the broader underlying question it raises: what’s a fair price for Americans people to pay for health care?

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  • Poll: Two-thirds of Americans Don’t Want the Supreme Court to Overturn Roe v. Wade

    News Release

    Large Majority of the Public View Federal Funding of Family Planning Services for Low-Income Women as “Important” As President Trump prepares to make a new Supreme Court nomination, new polling from the Kaiser Family Foundation finds that two-thirds (67%) of the public do not want the Supreme Court to overturn the 1973 landmark Roe v. Wade decision that established women’s constitutional right to abortion. Fielded this month prior to Justice Anthony Kennedy’s retirement announcement, the poll finds about three…

  • Survey: Adjusting to Sudden Reduction in Federal Funds, ACA Navigators Expect to Decrease Services

    News Release

    Many navigator organizations responsible for helping consumers understand and sign up for health coverage in 2018 Affordable Care Act (ACA) marketplaces say steep federal funding reductions that recently took effect will likely force them to limit their geographic service area, cut back outreach and public education, lay off staff members, and curtail other assistance, according to a new Kaiser Family Foundation survey of such programs. The navigators’ planned adjustments are in response to the government’s…

  • Medicaid: What We Learned From the Recent Debate and What to Watch for in September 2017

    Issue Brief

    The inclusion of major Medicaid changes in both the American Health Care Act (AHCA) that passed in the House and the Better Care Reconciliation Act (BCRA) considered in the Senate revealed that is hard to gain consensus on significant cuts and reforms to Medicaid. Medicaid has broad general support and intense support from special populations served by the program. In addition, proposed changes would have different implications across states due to significant program variation across…

  • An Introduction to Medicaid and CHIP Eligibility and Enrollment Performance Measures

    Issue Brief

    The Centers for Medicare & Medicaid Services (CMS) recently established 12 new Medicaid and CHIP eligibility and enrollment performance indicators for states to report beginning in October 2013. These indicators provide insight into the performance of new eligibility and enrollment policies established under the Affordable Care Act (ACA). In December 2013, CMS released initial reports for a subset of the indicators. This brief provides an overview of the new performance indicators; the initial data; and…

  • Medicaid Enrollment Under the Affordable Care Act: Understanding the Numbers

    Issue Brief

    This issue brief walks through data recently released from Health and Human Services (HHS) and what it can and cannot tell us about the number of people that have applied for Medicaid since open enrollment for health insurance marketplaces began, how many have enrolled, and what the role of the ACA is in recent Medicaid coverage gains.

  • How People Get Covered

    Feature

    How-People-Get-Covered-HEALTHREFORM Download Source Kaiser Family Foundation  

  • Market Share of Largest Insurance Carrier in the Individual Insurance Market, 2010

    Feature

    Market Share of Largest Insurance Carrier in the Individual Insurance Market, 2010 Download Source Kaiser Family Foundation analysis of 2010 insurer filings to the National Association of Insurance Commissioners and the California Department of Managed Health Care using the Mark Farrah Associates Health Coverage Portal TM. Market share was calculated as the percent of the state’s individual insurance market enrollment accounted for by each parent company (measured in member months)  

  • Health Reform Quiz

    Feature

    Take our short, 10-question quiz to test your knowledge of the law, and then share your results with friends on Twitter or Facebook.