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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

Promotional image for KFF video How Affordable is the Affordable Care Act

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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  • Current Flexibility in Medicaid: An Overview of Federal Standards and State Options

    Issue Brief

    The Trump Administration and new Congress have indicated that they will seek to cap Medicaid financing through a block grant or per capita cap, reduce federal funding for the program, and offer states increased flexibility to manage their programs within this more limited financing structure. The size of the federal reductions as well as which federal program standards would remain in place and what increased flexibility might be provided to states under such proposals would…

  • An Overview of State Approaches to Adopting the Medicaid Expansion

    Issue Brief

    State approaches to adopting the Affordable Care Act’s Medicaid expansion have varied greatly by state based on state law, the political context, or other factors. While it does not cover how every state has enacted the Medicaid expansion, this issue brief highlights some of the different approaches states have taken to adopt the Medicaid expansion. Each state’s circumstances are unique, and the actions taken by one state may not apply to another state’s circumstances.

  • “Partial Medicaid Expansion” with ACA Enhanced Matching Funds: Implications for Financing and Coverage

    Issue Brief

    The Affordable Care Act (ACA) provides enhanced federal matching funds to states that expand Medicaid to nonelderly adults up to 138% of the federal poverty level (FPL, $17,236/year for an individual in 2019). The ACA enhanced match (93% in 2019, and 90% in 2020 and thereafter) is substantially higher than states’ traditional Medicaid matching rate. A few states have sought Section 1115 demonstration waiver authority from the Centers for Medicare and Medicaid Services (CMS) to…

  • Poll: Nearly 1 in 4 Americans Taking Prescription Drugs Say It’s Difficult to Afford Their Medicines, including Larger Shares Among Those with Health Issues, with Low Incomes and Nearing Medicare Age

    News Release

    As the Trump Administration and Congress weigh policy options to address high prescription drug prices, a fourth of people taking prescription drugs (24%) and seniors taking drugs (23%) say it is difficult for them to afford their medications, the latest KFF Health Tracking Poll finds. The groups most likely to report difficulties affording their medications include people with monthly drug costs of $100 or more (58%), in fair or poor health (49%), with annual incomes less than $40,000 (35%),…

  • Universal Coverage May Not Mean Everyone Has Health Insurance

    From Drew Altman

    Universal coverage is a big and important goal. But would absolutely everyone be covered under current proposals? Is it a better rallying cry for Democrats in the primaries or the general election? Drew Altman analyzes these questions in an Axios column.

  • Uwe Reinhardt’s New Book Priced Out: His Health Policy Ideas in Today’s Debates

    Event Date:
    Event

    Dr. Uwe Reinhardt is a giant in the health policy field who advised policymakers and influenced debates about the nation’s health system before his passing in 2017. His recently released last book, Priced Out: The Ethics and Economics of Health Care, completed by his wife and longtime collaborator Tsung-Mei (May) Cheng gives us the gift of further insights into the U.S. health system and many issues that the country is debating right now, ranging from health price…

  • Analysis: ‘Cadillac Tax’ on High-Cost Health Plans Could Affect 1 in 5 Employers in 2022

    News Release

    A new KFF analysis estimates that the Affordable Care Act’s tax on high-cost health plans would affect one in five (21%) employers offering health benefits when it takes effect in 2022 unless employers change their health plans. An even larger share (31%) could be affected when workers’ voluntary contributions to Flexible Spending Accounts are taken into account. The analysis comes as some in Congress are proposing to repeal the ACA’s tax on high-cost health plans,…

  • KFF Health Tracking Poll – July 2019: The Future of the ACA and Possible Changes to the Current System, Preview of Priorities Heading Into 2nd Democratic Debate

    Feature

    This month's KFF Health Tracking Poll explores public opinion towards a government-administered public option, and finds that attitudes can change after hearing common arguments. The poll also examines the public's views toward Medicare-for-all and the Affordable Care Act, as well as the top issues for Democrats ahead of the second round of presidential debates.

  • Data Note: Prescription Drugs and Older Adults

    Issue Brief

    This data note explores the attitudes and experiences of older adults, ages 65 and up, when it comes to prescription drugs and related policy proposals being discussed. Experiences across different demographic groups are explored, such as household income and health status.