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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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  • Medicaid Restructuring Under the American Health Care Act and Implications for Behavioral Health Care in the US

    Issue Brief

    This brief outlines Medicaid’s role for people with behavioral health conditions and the implications of the American Health Care Act for these enrollees. It includes information on the potential impact of ending the enhanced federal financing for newly eligible adults, removing essential health benefits from state plan amendments, and converting federal Medicaid funding into a per capita cap.

  • What Paul Ryan’s Stance on 2016 Means for Health Care

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman discusses the implications of Paul Ryan’s decision to rule out being drafted as a Republican presidential candidate for the 2017 health care agenda and how it could focus greater attention on proposals to change Medicare and Medicaid along with the Affordable Care Act.

  • State Variation in Medicaid Per Enrollee Spending for Seniors and People with Disabilities

    Issue Brief

    This issue brief explains the variation in Medicaid spending per enrollee for seniors, nonelderly adults with disabilities, and children with disabilities compared to other populations as well as the variation in per enrollee spending for these populations among states. It also provides a snapshot of state choices about optional eligibility pathways and services important to many seniors and people with disabilities.

  • A Tale of Two Siblings, the ACA, and the Supreme Court

    From Drew Altman

    In a column published on The Huffington Post, Kaiser Family Foundation President and CEO Drew Altman shows how the U.S. Supreme Court’s decision to make the ACA Medicaid expansion a state option has upended the health insurance system for low and moderate income people in many states and discusses how the states and federal government can address the problem.

  • Those Long Lines To Enroll In The ACA

    From Drew Altman

    In this Policy Insight, Kaiser Family Foundation President and CEO Drew Altman discusses the need for community based outreach to enroll the long term uninsured.

  • Health Coverage and Care in the South: A Chartbook

    Report

    The South has faced longstanding disparities in health and health care, although significant variation exists between southern states. As a group, compared to those in other regions, Southerners are more likely to be uninsured, less likely to have access to needed health services, and more likely to experience a number of chronic health conditions. This chartbook provides key data on the demographic and economic characteristics of the southern population as well as their health status,…

  • How is the ACA Impacting Medicaid Enrollment?

    Issue Brief

    This issue brief provides an overview of new Medicaid enrollment data released by Centers for Medicare and Medicaid Services and its interpretation to assess the influence of the ACA on Medicaid enrollment.