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Affordable Care Act Signups Are Down, But Still an Incomplete Picture

Data from CMS may not fully show how much the expiration of the enhanced premium tax credits has affected enrollment in the ACA Marketplaces. The extent of enrollment changes likely won’t be known until this summer, when effectuated enrollment data are typically released.
DATA

Marketplace Enrollment Snapshot for Open Enrollment 2026

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

Enhanced Premium tax credits

2025 KFF Marketplace Enrollees Survey

If their premium payments double, about one in three ACA enrollees say they would be “very likely” to look for a lower-premium Marketplace plan.

Updated Larry QT on ePTCs

There is No Drop-Dead Date for an ACA Tax Credit Extension, But Coverage Losses Will Mount as the Clock Ticks

A discharge petition in the House paves the way for a vote on a three-year extension of the tax credits, which would provide ACA enrollees premium relief whenever it comes. While there is still time to extend the enhanced tax credits, with each passing day, more and more ACA Marketplace enrollees are going to drop their health insurance when faced with eye-popping increases in their premium payments, writes KFF’s Larry Levitt.

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  • The Affordable Care Act 101

    Feature

    This Health Policy 101 chapter provides an overview of the Affordable Care Act (ACA), a major reform of the U.S. health care system aimed at reducing high uninsured rates and alleviating issues like high out-of-pocket costs and coverage exclusions for preexisting conditions. The ACA significantly altered many aspects of the health system and the chapter explores its mechanisms, such as the Health Insurance Marketplaces, and the evolution of the law since its passage in 2010 to the changes in the 2025 budget reconciliation law.

  • With or Without ACA Repeal, ACA and Medicaid Cuts are Looming

    Perspective

    In this JAMA Health Forum post, Executive Vice President Larry Levitt explores why the incoming Trump administration and Republican majorities in Congress are likely to pursue budget cuts in Medicaid and the Affordable Care Act and why such efforts are likely to boost the number of uninsured Americans.

  • How Pending Health-Related Lawsuits Could be Impacted by the Incoming Trump Administration

    Issue Brief

    This brief provides an overview of current lawsuits in health policy including preventive services, abortion care, gender affirming care, Medicare drug price negotiations, nursing home staffing rules, private coverage consumer protections, and protections and health coverage for Deferred Action for Childhood Arrivals (DACA) recipients; how they may be affected by the incoming Trump administration; and the implications of their potential outcomes.

  • Status of State Medicaid Expansion Decisions

    Interactive

    This page displays an interactive map of the current status of state decisions on the Affordable Care Act's Medicaid expansion. Additional Medicaid expansion resources are listed (with links) below the map.

  • KFF Health Tracking Poll: ACA Enhanced Subsidies

    Feature

    KFF's Health Tracking Poll looks at public awareness and support for ACA Marketplace subsidies and finds that most adults are unaware the subsidies are set to expire soon. Three in four say Congress should extend the subsidies and support persists despite hearing counter arguments.

  • Poll: Public Views “Big Beautiful Bill” Unfavorably by Nearly a 2-1 Margin; Democrats, Independents and Non-MAGA Republicans Oppose It, While MAGA Supporters Favor It

    News Release

    Medicaid Work Requirements Are Generally Popular, But Arguments Can Shift Views Nearly two-thirds (64%) of the public holds unfavorable views of the “One Big Beautiful Bill” passed last month by the House, nearly twice the share who view the bill favorably (35%), a new KFF Health Tracking Poll finds.

  • KFF Health Tracking Poll: Views of the One Big Beautiful Bill

    Feature

    This poll finds two-thirds of the public view the "One Big Beautiful Bill" legislation unfavorably, and its favorability erodes further when people hear about its potential health impacts. As Congress debates changes to Medicaid and the ACA as part of the bill, each program's popularity is at a record high.

  • How Individual Market Enrollment Changed with the Enhanced Premium Tax Credits

    Feature

    This chart examines individual market enrollment data from 2011 through 2025, when enrollment reached a record high of 25.2 million people. Affordable Care Act (ACA) Marketplace enrollment increased following the enactment of enhanced premium tax credits in 2021, as more individuals became eligible for subsidies.

  • KFF Health Tracking Poll: The Public’s Views of Funding Reductions to Medicaid

    Feature

    As Congress works to pass the "One Big Beautiful Bill Act," which includes significant changes to Medicaid and the ACA, the latest KFF Health Tracking Poll examines the views of groups that could be most directly impacted by the impending legislation. The poll finds most of the public is worried about the consequences of federal funding reductions to Medicaid, including rural residents, those with lower incomes, and across partisans.