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Affordable Care Act

The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

In 2025, about one in three ACA enrollees said they would be “very likely” to look for a lower-premium Marketplace plan If their premium payments doubled.

Cost Concerns and Coverage Changes: A Follow-Up Survey of ACA Marketplace Enrollees

Following the expiration of the enhanced premium tax credits for people with Affordable Care Act (ACA) Marketplace plans, a new KFF follow-up survey of the same Marketplace enrollees KFF surveyed in 2025 finds half (51%) of returning enrollees say their health care costs are “a lot higher” this year compared to last year, including four in 10 who specifically say their premiums are “a lot higher.”

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POLLING

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.
DATA

Marketplace Enrollment is Down in 2026—But All of the Data Isn’t in Yet

ANALYSIS

Higher Premium Payments or Higher Deductibles: The ACA's Tradeoffs

QUIZ

Test Your Knowledge of the Affordable Care Act

ANALYSIS

Competition Increased in Individual Market But Fell in Fully Insured Group Markets

Timely insights and analysis from KFF staff

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  • State Marketplace Profiles: Arkansas

    Other Post

    Final update made on October 29, 2013 (no further updates will be made) Establishing the Marketplace On December 12, 2012, Governor Mike Beebe (D) informed federal officials that Arkansas would pursue a state-federal partnership health insurance Marketplace (also referred to as exchange).1  A state opting for a partnership Marketplace can choose to operate plan management functions, consumer assistance functions, or both. A state can also elect to perform Medicaid and Children’s Health Insurance Program (CHIP)…

  • Managing a High Performing Medicaid Program

    Report

    This report discusses key responsibilities that the federal government and states hold for managing the Medicaid program and identifies the key issues and challenges states face as they transform the way they do business and achieve key national goals. The paper relies on an extensive review of federal and state administrative responsibilities drawn from statute, regulation, and relevant literature, coupled with discussions with six current Medicaid directors.

  • Obamacare and You: If You Are Uninsured…

    Fact Sheet

    The Affordable Care Act, also called Obamacare, creates several new ways to get health coverage. This fact sheet explains how If you are uninsured and not offered health coverage through your job, you may be able to obtain coverage through Medicaid or through a new health insurance marketplace (or exchange) in your state. It is from our Obamacare & You series.

  • Obamacare and You: If You Have Medicare…

    Fact Sheet

    This short explainer highlights some of the key information for people with Medicare about how Affordable Care Act, also known as Obamacare, may affect them.

  • Obamacare and You

    Fact Sheet

    Obamacare and You is a series of one-page papers explaining how the Affordable Care Act, also known as “Obamacare,” will affect different groups of people. Click on the links below to learn more: If You Are Uninsured  Haga clic para leer en español  If You Are Low-Income and May Qualify for Medicaid  Haga clic para leer en español If You Have a Pre-Existing Condition Haga clic para leer en español If You Buy Coverage in the Individual Market…

  • No Quick Verdict on Obamacare

    From Drew Altman

    This column originally appeared in Politico on September 30. Dr. Altman's future Politico columns will be posted on kff.org one day after publication. October 1, the focus of great attention in the Obamacare wars, is finally here. Today is the day open enrollment begins for the new health insurance marketplaces, where Americans can log on and sign up for coverage. The media, opponents, and proponents have been gearing up for a big day — or,…