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Affordable Care Act

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: 2012: The ACA, and More

    From Drew Altman

    What is remarkable about 2012 (and the current era in health policy) is how many big health policy issues and marketplace changes will be in play at the same time: HEALTH REFORM: There is the implementation of a historic but fragile health reform law, with a Supreme Court decision pending and so much hanging in the balance. MEDICARE AND MEDICAID: There are continuing debates about potentially big changes in Medicare and Medicaid, driven by the…

  • Pulling it Together: A Primer on Health in the Election

    Perspective

    There is a lot of talk in polling and political circles and some speculation in the media about the role of health reform in the midterm elections. We regularly measure what the public thinks about health reform and you see reports from our monthly tracking polls about that. But whether those opinions will translate into an impact on people’s votes in the upcoming election is an entirely different question. First, to understand what might happen in…

  • Medicaid’s New “Health Home” Option

    Issue Brief

    This brief provides key information about the new option for state Medicaid programs to provide "health home" services for enrollees with chronic conditions. The option, established under the new health reform law, took effect on Jan. 1, 2011. Health homes are designed to facilitate access to and coordination of the full array of primary and acute physical health services, behavioral health care and long-term community-based services and supports. Brief (.pdf)

  • Medicaid’s Role for Hispanic Americans

    Fact Sheet

    This fact sheet examines Medicaid's role for Hispanic Americans. It includes data on Medicaid's coverage of Hispanic Americans and the program's impact on their access to care, as well as the impacts of the recent recession and the coming expansion of Medicaid under health reform on enrollment in Medicaid among Hispanic Americans. The fact sheet also has a chart showing state-by-state data on health insurance coverage of Hispanic Americans. Fact Sheet (.pdf)

  • California's "Bridge to Reform" Medicaid Demonstration Waiver

    Fact Sheet

    This issue brief provides an overview of California's "Bridge to Reform" Medicaid Demonstration Waiver, which was approved in 2010 and will make up to roughly $8 billion in federal Medicaid matching funds available to California over a five-year period to expand coverage to low-income uninsured adults and preserve and improve the county-based safety-net. The waiver also allows the state to enroll Medicaid-eligible seniors and persons with disabilities into managed care plans that meet specified readiness…

  • Pulling It Together: Medicare, Medicaid, and The Multiplier Effect

    Perspective

    We are witnessing a battle in Washington right now about the future of health care’s two big public programs, Medicare and Medicaid. It’s a budget battle, it’s an ideological battle, it’s a partisan political battle, and while it might not always be obvious following the debate, it’s a high stakes battle for people. In 2011, over a hundred million low-income, disabled, and elderly beneficiaries will be served by the two programs. Many of the proposals…

  • 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…

  • 2008 Presidential Candidates: Health Care Issues Side-by-Side

    Other Post

    Health care has been an important issue in the 2008 presidential campaign and the candidates have staked out positions on key health care issues. Both major party candidates have developed comprehensive health care reform proposals addressing health coverage and access, rising health care costs and health care quality. The side-by-side comparison available here focuses on important health care issues not necessarily addressed in the candidates' health care reform proposals. It was prepared by the Kaiser…

  • Medicare Now and in the Future

    Issue Brief

    Download PDF Issue Medicare is a valuable source of health insurance for nearly 45 million Americans – mainly seniors ages 65 and older, but also 7 million younger adults with permanent disabilities.  Before Medicare was signed into law in 1965, about half of all seniors lacked hospital insurance.  Today, virtually all people ages 65 and over are covered by Medicare.  Medicare is a popular program, but faces a number of issues and challenges in the…

  • Women’s Health and Election 2008

    Issue Brief

     Download PDF Women consistently cite health care as one of the top issues they want the Presidential candidates to address, reflecting their experiences with the health care system as patients, mothers, and caregivers for frail and disabled family members.  Women’s priorities for health care reform cut across many critical topics, including health insurance coverage and affordability, the cornerstones of the candidates’ health proposals, as well as long-term care, delivery system issues, and reproductive health.  This…