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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

Timely insights and analysis from KFF staff

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  • The Pennsylvania Health Care Landscape

    Fact Sheet

    The Affordable Care Act (ACA) went into full effect on January 1, 2014, ushering in health insurance reforms and new health coverage options in Pennsylvania and elsewhere across the country. Pennsylvania is experiencing changes to its health care delivery system as the state expands Medicaid, provides new coverage options through the federal health insurance marketplace, streamlines application and enrollment processes for coverage programs, and implements new health care delivery system and payment reforms. This fact sheet provides an overview of population health, health coverage, and the health care delivery system in Pennsylvania in the era of health reform.

  • Obamacare? Zika? Which Health Stories Americans Actually Follow

    News Release

    In his latest 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.

  • 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.

  • Is ACA Coverage Affordable for Low-Income People? Perspectives from Individuals in Six Cities

    Issue Brief

    This brief presents findings from focus groups with low-income Medicaid and Marketplace enrollees in six cities: Baltimore, MD; Columbus, OH; Oakland, CA; Richmond, VA; St. Louis, MO; and Tampa, FL. It explores their experiences signing up for coverage; their perceptions of whether the costs they pay for their coverage are affordable; their experiences accessing care; and the impact of out-of-pocket costs on their ability to get needed care. It provides insights into the ongoing financial struggles facing low-income individuals and the problems they confront affording health coverage.

  • Analysis of UnitedHealth Group’s Premiums and Participation in ACA Marketplaces

    Issue Brief

    This analysis looks at how a potential withdrawal by UnitedHealth Group from the Affordable Care Act (ACA) marketplaces in 2017 could impact insurer competition and premiums, finding a significant impact in some markets, though it would have a minimal effect on the average benchmark premium nationwide, The impacts of a UnitedHealth withdrawal would vary considerably by state and market area, with a more pronounced effect in rural areas. Since UnitedHealth often is not one of the lower cost plans, the effect nationally on premiums of an exit by the insurer would be modest.

  • What Paul Ryan’s Stance on 2016 Means for Health Care

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman discusses the implications of Paul Ryan’s decision to rule out being drafted as a Republican presidential candidate for the 2017 health care agenda and how it could focus greater attention on proposals to change Medicare and Medicaid along with the Affordable Care Act.