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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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  • Implications of “Medicare for All” and “Public Plan” Strategies: New Brief and Interactive Tool Summarize Legislative Proposals and Key Issues

    News Release

    The idea of expanding the role of government programs such as Medicare and Medicaid has received renewed attention on Capitol Hill and on the campaign trail this year as policymakers consider ways to expand health insurance coverage and moderate health care costs. Lawmakers have introduced eight such proposals in the current Congress. They range from bills that would create a new, all-encompassing national health insurance program (sometimes called “Medicare-for-All”) to less sweeping measures that would…

  • Mapping Pre-existing Conditions across the U.S.

    Issue Brief

    This brief estimates the share of adults with pre-existing conditions by metropolitan and micropolitan statistical area (MMSA), and finds that in some areas, nearly four in ten have so-called declinable medical conditions that could lead to denials of individual insurance coverage based on pre-ACA underwriting guidelines.

  • Where President-elect Donald Trump Stands on Six Health Care Issues

    Issue Brief

    Where does President-elect Donald Trump stand on key health care issues? This snapshot outlines his positions and policy statements during the campaign on issues such as health insurance, the ACA, Medicaid, Medicare, the opioid epidemic, prescription drug costs, and women's reproductive health.

  • The Bigger Story, and Agenda, Behind GOP Changes to Obamacare, Medicare and Medicaid

    From Drew Altman

    This column was published as a Wall Street Journal Think Tank column on November 21, 2016. Early media coverage of the Republican health-care agenda has concentrated on plans to repeal and then replace the Affordable Care Act. The larger story is GOP preparations for a health policy trifecta: to fundamentally change the ACA, Medicaid and Medicare–all three of health care’s major programs–and in the process, fundamentally alter the direction of the federal role in health and core elements…

  • Kaiser Health Tracking Poll: November 2016

    Feature

    The November Kaiser Health Tracking Poll, conducted one week after the 2016 presidential election, finds health care played a limited role in voters’ 2016 election decisions. While President-elect Trump and Republican lawmakers have made it clear that one of their top priorities is the repeal of the Affordable Care Act, the survey finds Americans are divided on what they want to see lawmakers do to the health care law. This survey also finds that many…

  • After the Election, the Public Remains Sharply Divided on Future of the Affordable Care Act

    News Release

    Among Those Who Favor Repeal, Arguments About Loss of Coverage for Those with Pre-Existing Conditions Can Sway Some Opinions Many Obamacare Provisions Remain Broadly Popular Across Party Lines, But Not its Mandate The first Kaiser Health Tracking Poll since the 2016 election finds that Americans are largely divided on the future of the Affordable Care Act even though many of the law’s major provisions remain quite popular across party lines. The new survey finds that…

  • How the Republican Health Agenda Could Play Out

    From Drew Altman

    In this Wall Street Journal Think Tank column Drew Altman discusses how Republicans will assume ownership of health care’s policy and political problems as they assume control, and how that may affect their plans for the Affordable Care Act, Medicaid and Medicare.

  • What’s at Stake in a Potential Repeal of the ACA Medicaid Expansion?

    News Release

    President-elect Trump and Republican leaders in Congress have vowed to repeal the Affordable Care Act (ACA) and replace it with an alternative plan. There are now 32 states (including DC) that have adopted the ACA’s Medicaid expansion. While the details of a repeal-and-replace plan are not yet available to assess its impact, a new brief reveals what’s potentially at stake for Medicaid in the debate by examining the changes in health coverage and financing that…