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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

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  • Obamacare? Zika? Which Health Stories Americans Actually Follow

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman analyzes the Kaiser Health Policy News Index to determine which health stories in the news have broken through to the public the most in the last year. One conclusion: it wasn't the Affordable Care Act.

  • JAMA Forum: Reports of Obamacare’s Demise Are Greatly Exaggerated

    Perspective

    In this post for The JAMA Forum, the Kaiser Family Foundation's Larry Levitt discusses UnitedHealth’s exit from Affordable Care Act marketplaces, the possibility of bigger premium increases in 2017, and why these challenges are unlikely to significantly affect long-term sustainability of the market and the law.

  • The Affordable Care Act After Six Years

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman examines the role of the Affordable Care Act in the health system on its sixth anniversary, and how the hot debate about the law may have created an exaggerated impression of the good and the bad it can do.

  • Contraceptive-Only Plans: Questions and Answers

    Perspective

    In this post on The Huffington Post, Alina Salganicoff and Laurie Sobel offer a Q&A on “contraceptive-only” plans, an approach mentioned during oral arguments in the U.S. Supreme Court case Zubik v. Burwell. In the Zubik case, a group of religiously affiliated nonprofits with religious objections to providing birth control coverage seek an exemption from the Affordable Care Act's provision requiring most plans to offer such coverage without cost-sharing.

  • The Role of Language in Health Care Access and Utilization for Insured Hispanic Adults

    Issue Brief

    The ACA coverage expansions may help mitigate some barriers people with limited English proficiency (LEP) face in accessing coverage and care. However, individuals with LEP may still face increased barriers to care with coverage. This analysis examines differences in health care experiences between English- and Spanish-speaking Hispanic adults with insurance using data from the 2014 Kaiser Survey of Low-Income Americans and the ACA.

  • Medicare-for-All vs. Single Payer: The Impact of Labels

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, “Medicare-for-All vs. Single Payer: The Impact of Labels”, Drew Altman uses new polling on a Medicare-for-all or single payer health system to explain how what you call a health reform plan can substantially affect the public’s response. All previous Drew Altman columns are online.

  • Medicaid Enrollment Under the Affordable Care Act: Understanding the Numbers

    Issue Brief

    This issue brief walks through data recently released from Health and Human Services (HHS) and what it can and cannot tell us about the number of people that have applied for Medicaid since open enrollment for health insurance marketplaces began, how many have enrolled, and what the role of the ACA is in recent Medicaid coverage gains.