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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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  • Washington’s Managed FFS Demonstration to Integrate Care and Align Financing for Dual Eligible Beneficiaries

    Issue Brief

    Washington is the first state to sign a memorandum of understanding (MOU) with the Centers for Medicare and Medicaid Services (CMS) to test a managed fee-for-service (FFS) financial alignment model for beneficiaries who are dually eligible for Medicare and Medicaid, beginning on April 1, 2013. Washington’s managed FFS demonstration uses Medicaid health home services to coordinate care for high risk/high cost dual eligible beneficiaries with chronic conditions. This policy brief summarizes key aspects of the…

  • Massachusetts and Washington: Financial Alignment Demonstrations for Dual Eligible Beneficiaries Compared

    Fact Sheet

    This fact sheet examines the similarities and differences between the five-year demonstrations in Massachusetts and Washington state to integrate care and align financing for people dually eligible for Medicare and Medicaid. The states finalized memoranda of understanding (MOUs) with the Centers for Medicare and Medicaid Services in fall 2012, and the demonstrations in each state are set to begin in April 2013. Fact Sheet (.pdf)

  • Report Finds State Costs of Implementing The Affordable Care Act’s Medicaid Expansion Would Be Modest Compared to Increases in Federal Funds, and Some States Would See Net Savings

    News Release

    Washington, D.C. – A new report released today by the Kaiser Family Foundation shows modest state costs for implementing the Medicaid expansion under the Affordable Care Act compared to significant increases in federal funds, allowing some states to see net budget savings even as millions of low-income uninsured Americans gain health coverage. The new, updated analysis, conducted by John Holahan, Matt Buettgens, Caitlin Carroll and Stan Dorn at the Urban Institute for the Foundation's Commission…

  • Health Care on the Brink of the Fiscal Cliff

    Event Date:
    Event

    The Alliance for Health Reform and the Kaiser Family Foundation present a November 16 briefing to discuss the components of this key policy crossroads with a particular emphasis on the implications for health programs and the health care industry. Automatic cuts would not apply to Medicaid, but Medicare providers would experience 2 percent payment cuts. The reductions would likely be larger for discretionary health programs, such as those funded as part of the National Institutes…

  • The Role of Medicaid for Adults With Chronic Illnesses

    Fact Sheet

    This report and related fact sheets provide data on spending, utilization, and access to care among low-income nonelderly adult Medicaid beneficiaries with chronic illnesses. Four fact sheets provide detail for beneficiaries with diabetes, respiratory disease, cardiovascular disease, and behavioral health conditions The reports show that, despite relatively high prevalence of chronic conditions and, correspondingly, relatively high spending and utilization rates, Medicaid beneficiaries with chronic illness report better access to care than their uninsured counterparts, many…

  • Kaiser Health Tracking Poll: November 2012

    Feature

    The November poll finds that while health care ranked as a second-tier issue in this month's election, President Obama and Republican nominee Mitt Romney tied among voters who felt strongly about the Affordable Care Act, and President Obama won an advantage among voters who said Medicare was important to their vote, and among women on women’s health issues. The November poll is the latest in a series designed and analyzed by the Foundation's public opinion…

  • The Cost and Coverage Implications of the ACA Medicaid Expansion: National and State-by-State Analysis

    Report

    A central goal of the Patient Protection and Affordable Care Act (ACA) is to significantly reduce the number of uninsured by providing a continuum of affordable coverage options through Medicaid and new Health Insurance Exchanges. Following the June 2012 Supreme Court decision, states face a decision about whether to adopt the Medicaid expansion. These decisions will have enormous consequences for health coverage for the low-income population. This analysis uses the Urban Institute’s Health Insurance Policy…

  • Faces of the Medicaid Expansion: Experiences and Profiles of Uninsured Adults Who Could Gain Coverage

    Issue Brief

    These two papers provide insight into how state decisions to expand Medicaid under the Affordable Care Act are likely to impact people. Based on focus groups and interviews conducted in Cincinnati, Houston, Las Vegas and Tampa with uninsured adults who could be eligible for the Medicaid expansion in 2014, these papers highlight the experiences of uninsured adults and the significant health and financial consequences of being uninsured, which sometimes impact their ability to work and…