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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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  • SCOTUS Case Could Weaken the Impact of Regulation on Key Patient and Consumer Protections

    Issue Brief

    This brief discusses the longstanding legal doctrine, Chevron deference, being challenged in two cases before the U.S. Supreme Court and includes examples of what could be at stake for health care consumers should federal courts no longer use this doctrine to address litigation related to federal health regulations. The focus here is on patient and consumer protection regulation, but overturning the Chevron deference would have implications in all areas of health care.

  • More On Health and Politics: The Peculiar Timing of Republican Health Policy Plans

    From Drew Altman

    In this column, KFF President and CEO Drew Altman examines the conservative Republican Study Committee’s sweeping proposals to remake Medicare, Medicaid and the Affordable Care Act and their potential to make waves in this year’s elections. Whether former President Trump ignores, embraces, or repudiates their ideas will be key.

  • The Symbolic Manipulation of Health Issues in Elections

    From Drew Altman

    KFF President and CEO Drew Altman explains why data and facts, policy plans and lists of accomplishments do not connect with many voters. Understanding the symbolic dimensions of politics and issues is critical for experts. We can reach a share of the public with facts and data but need additional strategies to reach everyone, including storytelling and trusted messengers.

  • Access to Adult Dental Care Gets Renewed Focus in ACA Marketplace Proposal

    Policy Watch

    Adult dental care can lead to high out of pocket costs for consumers, especially for those with private insurance coverage. This post analyzes a proposed provision in the HHS Notice of Benefit and Payment Parameters for 2025, and possible implications for consumers who have Marketplace coverage.

  • Employer Responsibility Under the Affordable Care Act

    Other Post

    The Affordable Care Act does not require businesses to provide health benefits to their workers, but applicable large employers may face penalties if they don’t make affordable coverage available. The employer shared responsibility provision of the Affordable Care Act penalizes employers who either do not offer coverage or do not offer coverage that meets minimum value and affordability standards. These penalties apply to firms with 50 or more full-time equivalent employees. This flowchart illustrates how those employer responsibilities work.

  • Preventive Services Covered by Private Health Plans under the Affordable Care Act

    Fact Sheet

    Note:  This content was updated on February 28, 2024  to incorporate new FAQs from CMS. Tables 1 and 2 were also updated to include updated recommendations. It has been more than ten years since the Affordable Care Act (ACA) required private insurance plans to cover recommended preventive services without any patient cost-sharing.

  • It’s Not a Health Care Election, But Health Issues Might Still Add Up

    From Drew Altman

    In this column, KFF President and CEO Drew Altman explores the potential for some health care issues—including abortion, drug costs and other affordability challenges—to influence enough voters in swing states to make a difference in this year's presidential election.