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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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  • Pulling it Together: Implementation

    Perspective

    When I was a graduate student at MIT my adviser Jeffrey Pressman was a great political scientist who had just written the seminal book on program implementation.  It was called, simply enough, Implementation, with a subhead that read: "how great expectations in Washington are dashed" (OK, we political scientists study politics too much and are a little cynical at times).  The book literally created a new subfield in political science focusing on program implementation.  This…

  • State Variation and Health Reform: A Chartbook

    Report

    This chartbook pulls together data related to state variation in key areas such as major industry types, poverty and unemployment rates and fiscal conditions; health coverage and the uninsured; Medicaid and CHIP eligibility and enrollment; Medicaid spending and financing; access to Health Care; health care costs; and insurance markets.

  • Briefing Examines High Medicare Spending for Beneficiaries in Long-Term Care

    Event Date:
    Event

    These three reports examine the relatively high use of hospital and other Medicare-covered services and the associated costs of medical care for Medicare beneficiaries who live in nursing homes and other long-term-care facilities. They also explore the potential for delivery system reforms to improve quality and reduce costs. Medicare Spending and Use of Medical Services for Beneficiaries in Nursing Homes and Other Long-Term Care Facilities: A Potential for Achieving Medicare Savings and Improving the Quality…

  • Health Care Costs: A Primer

    Issue Brief

    This primer on health care spending in the United States reviews the growth in health care spending since 1970 and the impact of health care costs on families and employers.

  • All Eyes on the Supreme Court: More than Birth Control at Stake

    Issue Brief

    On March 25th, the Supreme Court will hear two cases brought by for-profit corporations challenging the ACA’s contraceptive coverage rule on religious grounds. These two corporations are Hobby Lobby, a national chain of craft stores owned by a Christian family and Conestoga Wood Specialties, a cabinet manufacturer, owned by a Mennonite family. Beyond the impact on the ACA and contraceptive coverage, the Court’s decision may have implications for religious rights of employers and employees, as…

  • Visualizing Health Policy: What Americans Pay for Health Insurance Under the ACA

    Other Post

    The March 2014 Visualizing Health Policy infographic shows examples of what Americans will pay for health insurance under the Affordable Care Act, using different scenarios for 40-year-old individuals living in different parts of the country. Visualizing Health Policy is a monthly infographic series produced in partnership with the Journal of the American Medical Association (JAMA). The full-size infographic is freely available on JAMA’s website and is published in the print edition of the journal. >>View source slides

  • Obamacare: The Metrics In The News Are Mostly Wrong

    From Drew Altman

    In this Policy Insights, Kaiser Family Foundation President and CEO Drew Altman explains how the measures of success for year one of Obamacare used in media coverage and national discussion is the equivalent of judging the local weather from national averages.

  • Kaiser Health Tracking Poll: March 2014

    Feature

    The March Kaiser Health Tracking Poll finds that the gap between unfavorable and favorable opinions of the ACA narrowed this month among the public and the uninsured, and more want Congress to improve the law than replace it. The survey also finds that six in ten of the uninsured are unaware of the March 31 deadline to sign up for coverage, and half say they plan to remain uninsured.

  • Medicaid Expansion Spending and Enrollment in Context: An Early Look at CMS Claims Data for 2014

    Issue Brief

    This issue brief analyzes spending and enrollment data made available by CMS through the MBES. It breaks out spending and enrollment for the new adult group (Group VIII) that gained coverage in states that adopted the ACA Medicaid expansion. It looks at spending and enrollment for the new adult group in calendar year 2014, putting such data in the context of overall Medicaid spending and enrollment and examines trends across expansion states.