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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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  • Federal Core Requirements And State Options In Medicaid: Current Policies And Key Issues

    Fact Sheet

    Medicaid is a jointly financed partnership between the federal government and states. The federal-state financing and administrative structure of Medicaid provides a framework of federal core requirements along with broad state options for program design and administration. This issue brief presents an overview of the current Medicaid program framework, with a focus on eligibility, benefits and cost sharing, care delivery and provider payment, long-term services and supports, and dual eligibles, as well as key issues…

  • The Digital Divide And Access To Health Information Online

    Poll Finding

    The Affordable Care Act (ACA) calls for a number of web-based initiatives, including development of the website healthcare.gov which provides a variety of health information and helps individuals find coverage options. Therefore, understanding the level and quality of Internet access among those groups most likely to benefit from reform, such as the uninsured, those with lower incomes, and members of racial and ethnic minority groups, is an important consideration as health reform is implemented. A…

  • Physician Willingness and Resources to Serve More Medicaid Patients: Perspectives from Primary Care Physicians

    Issue Brief

    This issue brief attempts to assess how primary care physicians will respond to the entry of 32 million newly insured people into the health care system under health reform. The increase in the number of people with health coverage is expected to intensify competition among patients and payers for primary care resources. The brief analyzes data from a nationally representative survey of physicians to assess which adult-care primary care physicians are most likely to respond…

  • Medicaid Policy Options for Meeting the Needs of Adults with Mental Illness under the Affordable Care Act

    Issue Brief

    This paper examines the salient issues raised in a November 2010 roundtable discussion of national and state experts convened by the Kaiser Commission on Medicaid and the Uninsured, in partnership with the Bazelon Center for Mental Health Law, to discuss Medicaid policy options available under health reform to help meet the needs of adults with mental illness. The Patient Protection and Affordable Care Act will expand the Medicaid program, offering the opportunity to improve access…

  • What the Actuarial Values in the Affordable Care Act Mean

    Issue Brief

    The Patient Protection and Affordable Care Act (PPACA) establishes four levels of coverage based on the concept of "actuarial value," which represents the share of health care expenses the plan covers for a typical group of enrollees. As plans increase in actuarial value – bronze, silver, gold, and platinum – they would cover a greater share of enrollees' medical expenses overall, though the details could vary across plans. The levels of coverage provided for in…

  • Trends in the Use of Hospital and Provider Quality Ratings

    Poll Finding

    With a renewed emphasis on health care quality driven by the Affordable Care Act, this polling data note examines historical trends in Americans' reliance on quality ratings and how their perceptions have changed over time. Data Note (.pdf)

  • Implications Of A Federal Block Grant Program For Medicaid

    Issue Brief

    This issue brief examines the broad implications of converting Medicaid to block grant financing, one of several ideas that have been put forth to help reduce the federal deficit. The paper, which does not analyze any specific proposal, notes that switching to block grant financing would fundamentally alter the Medicaid program and could have significant implications for states, localities, beneficiaries and health care providers. Issue Brief (.pdf) Related Resources: Prior Analyses of Block Grant Proposals…

  • Kaiser Health Tracking Poll — March 2011

    Feature

    Little has changed since President Obama signed the Patient Protection and Affordable Care Act (ACA) into law. The March Health Tracking Poll finds that the public continues to report that they are confused about the law, say they don’t have enough information on how the law will affect them, and remain divided in their views of the law. Further, the stark partisan gap persists. In terms of next steps for the law, Americans like the…

  • KFF March Health Tracking Poll: One Year Later, Views on Health Reform Remain Divided

    Perspective

    Health reform is a year old and the latest Kaiser Health Tracking Poll finds a basic division that has changed little during the last 12 months. This month, 42 percent of Americans hold favorable views of the law while 46 percent view it unfavorably. In April 2010, the month after passage, 46 percent had favorable views and 40 percent unfavorable ones, but both figures have ticked up and down over the last year. Opinion of…