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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 Financing: An Overview of the Federal Medicaid Matching Rate (FMAP)

    Issue Brief

    Since its enactment in 1965, the Medicaid program has used the Federal Medical Assistance Percentage (FMAP) to determine the federal government's share of the cost of covered services in state Medicaid programs. On average, the federal share has been 57 percent. Beginning in 2014, the Affordable Care Act (ACA) establishes highly enhanced FMAPs for the cost of services to low-income adults with incomes up to 138% of the Federal Poverty Level (FPL) who are not…

  • Health Coverage for the Unemployed

    Issue Brief

    This policy brief outlines the challenges facing the unemployed as they seek to remain insured after losing jobs and employer-sponsored health coverage. In May 2011, 13.9 million people in the U.S. were unemployed. Of these, 6.2 million had been unemployed for six months or more and faced limited options to remain insured. The brief examines potential sources of insurance, including through a spouse's plan, COBRA, the non-group insurance market and public programs. It also discusses…

  • Kaiser Health Tracking Poll — May 2011

    Feature

    Most Americans oppose the idea of converting Medicaid to block grant financing to reduce the federal deficit, and more than half want to see no reductions at all in Medicaid spending. One in five adults has received Medicaid benefits over time, and for most, experiences were positive, although one third of them report having had problems finding a doctor. The findings come at a time of intense public debate in Washington about the future of…

  • Kaiser Health Tracking Poll — August 2010

    Feature

    The August Health Tracking Poll finds that support for health reform fell over the course of August, dipping from a 50 percent favorability rating in July to 43 percent, while 45 percent of the public reported unfavorable views. The dip in favorability returned public opinion on the new law to the even split last seen in May before a modest uptick in support in June and July. Americans’ views of how reform will affect them…

  • Voters and Health Reform in the 2008 Presidential Election

    Poll Finding

    This analysis, published in the November 6, 2008, New England Journal of Medicine (NEJM), finds that seven in ten registered voters say major changes are needed in the U.S. health care system. The article is the second in a series of reports published in NEJM examining how the election can provide insights about future health policy. The article examines the public’s perceptions of the state of the American health care system, the role of health…

  • Coordinating Coverage and Care in Medicaid and Health Insurance Exchanges

    Issue Brief

    The Kaiser Commission on Medicaid and the Uninsured convened a roundtable discussion on August 31, 2010 with a group of national and state experts to discuss key issues related to coordinating coverage and care in Medicaid and the new Health Insurance Exchanges under health reform. The Patient Protection and Affordable Care Act requires states to create a coordinated, simple and technologically-supported process through which individuals may obtain Medicaid, Children’s Health Insurance Program and subsidized Exchange…

  • Spending To Survive: Cancer Patients Confront Holes in the Health Insurance System

    Event Date:
    Event

    This report highlights the severe challenges cancer patient may face in paying for life-saving care even when they have private health insurance. Jointly authored by the Kaiser Family Foundation and the American Cancer Society, the report profiles 20 patients and illustrates the potential difficulties people diagnosed with cancer or other serious illnesses have in maintaining affordable health insurance and paying for their health care. The patients in the report and accompanying video were selected to…

  • The Public and the Health Care Delivery System

    Poll Finding

    This survey by NPR and researchers at the Kaiser Family Foundation and the Harvard School of Public Health highlights the public’s attitudes and experiences with the American health care delivery system. The new survey sheds light on Americans’ experiences with issues more typically discussed by health policy experts – including electronic medical records, coordination of care and comparative effectiveness – all of which have become serious components of reform plans and some of which have…

  • Health Care Reform Newsmaker Series: Sen. Max Baucus

    Event Date:
    Event

    This May 21, 2009 webcast features Senate Finance Committee Chairman Max Baucus (D-MT) at a Health Care Reform Newsmaker media briefing sponsored by the Kaiser Family Foundation, Families USA and the National Federation of Independent Business. The reporters-only sessions, designed to inform the public about prospects and options for health reform, feature a short presentation by an influential leader followed by an extended question-and-answer session. Transcript (.pdf) Video

  • Medicaid Managed Long-Term Services and Supports: Are More Caution and Oversight Needed?

    Event Date:
    Event

    The Alliance for Health Reform and AARP sponsor an August 3rd briefing to discuss who is being served by Medicaid managed care, how enrollment is determined, and whether sufficient oversight of the programs exist. Speakers will explore such questions as: Does Medicaid managed care cover a full range of long-term services and supports, including home- and community-based services? Is Medicaid managed care as a strategy part of state plans for 2014, and the challenges and…