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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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  • How Will the Uninsured Fare Under the Affordable Care Act?

    Fact Sheet

    This report explains how the ACA expands coverage nationally, including a breakdown of how many uninsured people are eligible for Medicaid, how many are eligible for financial assistance to help them buy private insurance in the new Marketplace and how many will not receive any financial assistance at all. The report also details, in specific dollar figures, the income levels at which people are eligible for Medicaid or financial assistance in the Marketplace. For states…

  • Retiree Health Benefits At the Crossroads

    Report

    This issue brief reviews recent trends and developments in employer-sponsored retiree health coverage and examines the impact of recent legislation, such as the Medicare drug benefit and the Affordable Care Act (ACA) on retiree health coverage. The report describes leading strategies employers have been pursuing or considering to limit costs for retiree health benefits. In addition, the report considers the potential implications of proposals aimed at reducing federal spending for retiree health coverage and costs.

  • Measuring Changes in Insurance Coverage Under the Affordable Care Act

    Issue Brief

    This data note discusses the details and timing of some of the private and federal surveys that will be used to look at how coverage has changed due to the Affordable Care Act. Different surveys offer different information and insight into coverage under the ACA, and we discuss the contributions and challenges in each type of effort.

  • Kaiser Health Tracking Poll: April 2014

    Feature

    Despite the news that 8 million people have signed up for health insurance through the ACA’s new marketplaces, the April Kaiser Health Tracking Poll finds no change in overall opinion of the law since last month . The most common reason for remaining uninsured is not being able to find an affordable plan. Also, a majority of the public supports the ACA’s requirement that private health insurance plans cover the full cost of birth control…

  • New Evidence Health Spending Is Growing Faster Again

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman discusses new Census Department survey data showing higher health spending growth over the last four economic quarters, and raises the question: is the health spending slowdown over? All previous columns by Drew Altman are available.

  • Year Two of the ACA Coverage Expansions: On-the-Ground Experiences from Five States

    Issue Brief

    This brief provides an on-the-ground view of ACA implementation after completion of the second open enrollment period. It is based on 40 in-person interviews conducted in five states that have made different implementation choices, including three states (Colorado, Kentucky, and Washington) that have developed a State-based Marketplace and adopted the Medicaid expansion and two states (Utah and Virginia) that rely on the Federally-facilitated Marketplace (FFM) for enrollment of individuals into qualified health plans (QHPs) and…

  • Renewals in Medicaid and CHIP: Implementation of Streamlined ACA Policies and the Potential Role of Managed Care Plans

    Issue Brief

    This brief reviews the new renewal requirements for Medicaid and CHIP that are designed to maintain continuity of coverage for eligible individuals. It provides an overview of state implementation of the new renewal policies and considers the potential role managed care plans can play in supporting renewals. Key findings include: some aspects of the simplified renewal policies have not yet been fully implemented due to a range of challenges; some states, including Washington and Rhode…

  • What a Break in the Obamacare Battles Could Bring

    News Release

    Following the Supreme Court’s King v. Burwell decision, the Affordable Care Act could use a break from the intense political heat, though it may not get a long one as the 2016 election season heats up and presidential candidates play to their bases on health care, writes Drew Altman in his latest column for The Wall Street Journal’s Think Tank. All previous columns by Drew Altman are available.

  • Health Insurance Coverage in 2013: Gains in Public Coverage Continue to Offset Loss of Private Insurance

    Issue Brief

    The recession accelerated the long-standing decline in employer-sponsored health insurance and through 2013 most of the recovery in the uninsured rate was due to increased enrollment in public insurance, primarily Medicaid and the Children’s Health Insurance Program (CHIP). With the exception of young adults ages 19 to 25, who are able to remain on their parents’ health plan until age 26 under the ACA, ESI coverage rates for adults and children continued to decrease between…