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The ACA MarketplaceS

Tracking Insurer Changes in the ACA Marketplaces in 2027

As of June 22, six carriers have announced that they will exit the Marketplaces in plan year 2027, either in some or all states that they are currently offering plans; four carriers have announced they will enter new Marketplaces.

An image of text is an excerpt from Cynthia Cox's quick take which reads, "While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments — often in the double or even triple digits — with the expiration of enhanced tax credits."

ACA Marketplace Enrollment Is Down By 3 Million After Big Jump in Premium Payments

Enrollment dropped 13% following the expiration of enhanced premium tax credits at the beginning of this year. Enrollment fell from a high of 22.1 million people in 2025 to 19.2 million people in February 2026. While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments – often in the double or even triple digits – with the expiration of enhanced tax credits.

POLLING on the ACA

Tracking the Public’s Views on the ACA

While overall opinion of the Affordable Care Act has been more favorable than unfavorable since 2017, there remain deep partisan divides. See how public opinion on the ACA has changed from the inception of the law to the present. This interactive tool highlights key moments when views shifted and trends based on party identification, income, age, gender, and race/ethnicity.

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  • Marketplace Insurers Denied Nearly 1 in 5 In-Network Claims in 2020, though It’s Often Not Clear Why

    News Release

    Healthcare.gov marketplace insurers denied nearly one out of every five claims (18%) submitted for in-network services in 2020, though why the denial rates are so high and the ultimate consequences for consumers are difficult to access from the publicly available data, a new KFF analysis finds. The Affordable Care Act requires insurers to report data about claims denials and appeals to encourage transparency about how insurance coverage works for enrollees. The analysis examines data released…

  • 2022 Calculadora del Mercado de Seguros Médicos

    Interactive

    Nota: Esta calculadora ha sido actualizada con los cambios a los subsidios en el American Rescue Plan Act de 2021 (el acta de alivio por COVID-19). Esta calculadora ilustra las primas (el costo mensual de su seguro) y subsidios para las personas que compran seguro médico por su propia cuenta en el nuevo mercado de seguros de salud (o de intercambio) creado por la Ley de Cuidado de Salud a Bajo Precio (Affordable Care Act,…

  • Private Insurers Expect to Pay $1 Billion in Rebates to Consumers This Year for Setting Premiums Too High Relative to Medical Costs

    News Release

    Private insurance companies are expecting to pay out $1 billion in rebates to consumers this fall under an Affordable Care Act provision that requires insurers to spend the bulk of customers’ premium payments on care, a new KFF analysis finds. Rebates are based on insurers’ experiences over the previous three years. This year’s total is roughly half the size of last year’s $2 billion, in part because 2021 was a less profitable year and because…

  • 2022 Health Insurance Marketplace Calculator

    Interactive

    The Health Insurance Marketplace Calculator, updated with 2022 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).

  • Examining Prior Authorization in Health Insurance

    Policy Watch

    This post explains what's known about how insurers use prior authorization as a tool to control costs and encourage cost-effective care, the state and federal laws that govern it, and ongoing policy debates over efforts to impose standards to limit or regulate its use.

  • For ACA Enrollees, How Much Premiums Rise Next Year is Mostly up to Congress

    Policy Watch

    Most customers with coverage through Affordable Care Act's marketplaces will face big premium increases next year if Congress doesn’t extend the temporary enhanced tax credits included in the American Rescue Plan Act (ARPA) of 2021. If the outcome isn’t clear by summer, fall open enrollment could be a mess.

  • Strategies To Lower Drug Costs Top the Public’s Health Priorities for Congress

    News Release

    Against the backdrop of public concern about inflation and rising gas prices, proposals to lower what people pay out-of-pocket for drugs tops the public’s list of health care priorities for Congress, a new KFF Health Tracking Poll finds. Most (55%) of the public say inflation is the biggest problem facing the country. Fewer cite other issues such as the Russian invasion of Ukraine (18%), climate change (6%), the COVID-19 pandemic (6%), and crime (6%). The…