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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

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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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  • Estimates: Average Monthly Premium after Tax Credit Would Be 74% Higher Under Senate Health Bill in 2020

    News Release

    A new analysis from the Kaiser Family Foundation estimates that the average monthly premium for a benchmark silver plan after tax credits in 2020 would be 74 percent higher under the Senate’s Better Care Reconciliation Act (BCRA) compared to the Affordable Care Act (ACA). Overall, most marketplace enrollees would pay higher premiums under the Senate bill than current law, the analysis finds. Older and lower-income enrollees would see the biggest increases, with people age 55-64…

  • Medicaid’s Role in West Virginia

    Fact Sheet

    This fact sheet provides data on Medicaid's role in West Virginia. It describes how ending the enhanced match for Medicaid expansion and implementing a per capita cap or block grant would affect West Virginia.

  • Medicaid’s Role in Alaska

    Fact Sheet

    This fact sheet provides data on Medicaid's role in Alaska. It describes how ending the enhanced match for Medicaid expansion and implementing a per capita cap or block grant would affect Alaska.

  • Medicaid’s Role in Nevada

    Fact Sheet

    This fact sheet provides data on Medicaid's role in Nevada. It describes how ending the enhanced match for Medicaid expansion and implementing a per capita cap or block grant would affect Nevada.

  • Brief Examines Efforts to Create Health Plan Options that Don’t Comply with the Affordable Care Act’s Rules

    News Release

    Though Congress last year failed to repeal key Affordable Care Act requirements for non-group health insurance that people buy themselves, the Trump Administration and some states are promoting other types of plans through regulatory changes that would allow the sale of products that skirt many of the ACA’s requirements. A new Kaiser Family Foundation brief examines four of those options and the tradeoffs involved if such loosely regulated markets take root as an alternative to…

  • Six Months ahead of the Midterm Elections, Democratic and Republican Voters’ Views about President Trump Outweigh their Views on Issues, Including Health Care

    News Release

    Who are the “Health Care Voters”? Mostly Women, and Mostly Planning to Vote Democratic As primary season for the 2018 midterm elections heats up, the latest Kaiser Family Foundation poll suggests the elections are shaping up more as a referendum on President Trump than on health care or any other issue. When asked what will make the biggest difference in how they vote in the Congressional elections, larger shares of Democrats and Republicans cite candidates’…

  • Implications of the ACA Medicaid Expansion: A Look at the Data and Evidence

    Issue Brief

    More than four years after the implementation of the Medicaid expansion included in the Affordable Care Act, debate and controversy around the implications of the expansion continue. Despite a large body of research that shows that the Medicaid expansion results in gains in coverage, improvements in access and financial security, and economic benefits for states and providers, some argue that the Medicaid expansion has broadened the program beyond its original intent diverting spending from the…

  • Analysis: Individual Market Insurers Experienced Their Best Financial Year under the ACA in 2017, Though Subsequent Political and Policy Changes Complicate the Outlook for Future Years

    News Release

    Insurers in 2017 had their best financial year selling individual market health insurance since the Affordable Care Act began requiring guaranteed access to coverage for people with pre-existing conditions in 2014, though recent political and policy changes create new challenges for insurers trying to succeed in this market, new Kaiser Family Foundation analysis finds. This analysis finds insurers posted their strongest performance in the individual market using two different financial indicators: The average share of…