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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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  • Testimony: Pre-Existing Conditions and Health Insurance

    Issue Brief

    KFF's Karen Pollitz testimony before the U.S. House Committee on Ways and Means on Jan. 29, 2019 examines the prevalence of pre-existing conditions, the impact of the Affordable Care Act's prohibition against medical underwriting and other provisions aimed at stabilizing the insurance risk pool, and the trade-offs involved in relaxing those provisions. 

  • Preventive Services Use Among People with Private Insurance Coverage

    Issue Brief

    This analysis of claims data estimates that six in ten people with private health insurance - or about 100 million people - used at least one preventive service covered without any out-of-pocket costs through a provision of the Affordable Care Act (ACA) in a typical year prior to the COVID-19 pandemic (2018). The provision that requires most private health plans to cover many preventive services without any cost-sharing for their enrollees is being challenged in…

  • What would ACA Subsidies Have Been in 2022 if COVID-19 Relief Had not passed?

    Interactive

    This calculator is for illustration purposes and shows the tax credits and premiums that marketplace customers would have paid in 2022 if not for the enhanced subsidies included in the 2021 COVID relief legislation, the American Rescue Plan Act, (ARPA). The enhanced subsidies expire at the end of the year.

  • Many Women Use Preventive Services, but Gaps in Awareness of Insurance Coverage Requirements Persist: Findings from the 2022 KFF Women’s Health Survey

    Issue Brief

    This brief presents findings from the 2022 KFF Women’s Health Survey on women’s receipt of cancer screenings and other preventive services and differences between subgroups of women. We also present data on women’s and men’s awareness of federal requirements for private insurance coverage of preventive services.

  • Medicare Advantage Insurers Report Much Higher Gross Margins Per Enrollee Than Insurers in Other Markets

    News Release

    A new analysis of health insurers’ 2021 financial data shows that insurers continue to report much higher gross margins per enrollee in the Medicare Advantage market than in other health insurance markets. The analysis examines insurers’ financial data in the Medicare Advantage, Medicaid managed care, individual (non-group), and fully insured group (employer) markets. In 2021, Medicare Advantage insurers reported gross margins averaging $1,730 per enrollee, at least double the margins reported by insurers in the…

  • ¿Cómo funcionan los subsidios para las primas?

    FAQs

    Los subsidios para las primas reducen la prima (lo que paga cada mes por su cobertura) para la mayoría de los planes del mercado de seguros. El monto del crédito fiscal que puede recibir depende de sus ingresos y del costo de los planes de salud del mercado en su área. El mercado determinará la contribución esperada que debe pagar para la prima de un plan de referencia de rango medio (Plata). La contribución esperada…

  • Nine Changes to Watch in ACA Open Enrollment 2023

    Policy Watch

    The 2023 Affordable Care Act (ACA) Open Enrollment period will run from November 1, 2022 to January 15, 2023 in most states, longer in some state-based marketplaces. This policy watch examines nine changes that may affect what enrollees pay for coverage, the size of tax credits for those eligible, and other changes that could affect enrollees' experiences.

  • 2021 Calculator – Before COVID-19 Relief

    Interactive

    The Health Insurance Marketplace Calculator, updated with 2021 premium data, provides estimates of health insurance premiums and subsidies for people purchasing insurance on their own in health insurance exchanges (or “Marketplaces”) created by the Affordable Care Act (ACA). With this calculator, you can enter your income, age, and family size to estimate your eligibility for subsidies and how much you could spend on health insurance.