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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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  • Surprise Bills Often Hit in Emergencies

    From Drew Altman

    In an Axios column, Drew Altman previews new data highlighting that people with critical health issues are especially vulnerable to these bills. 

  • HIV, Intimate Partner Violence (IPV), and Women: An Emerging Policy Landscape

    Issue Brief

    Intimate partner violence has been shown to be associated with increased risk for HIV among women, as well as poorer treatment outcomes for those already diagnosed. This brief reviews the link between IPV and HIV, key policy changes and initiatives that attempt to address these challenges.

  • JAMA Forum: What is Trumpcare?

    Perspective

    The debate among Democratic presidential candidates about how to reform the health care system largely boils down to whether to build on the Affordable Care Act and create an option for people to enroll in Medicare or create a Medicare for all plan that covers everyone.

  • Snapshots: Health Benefit Offer Rates and Employee Earnings

    Issue Brief

    Employer-provided health insurance is the primary source of insurance coverage in the United States, covering almost 160 million people.1 About 90 percent of the non-elderly privately-insured population is covered by employer-sponsored plans, meaning that employer decisions about whether to offer health benefits will influence overall rates of insurance coverage in the United States.

  • Story Ideas: Impact of the Supreme Court Decision on Health Reform

    Event Date:
    Event

    The Alliance for Health Reform and the Robert Wood Johnson Foundation sponsored this reporters-only briefing to help journalists assess the Supreme Court's decision about the Patient Protection and Affordable Care Act. Full version: Video   Speakers for this session: The panel was moderated by Ed Howard of the Alliance. John R.

  • 2008 Presidential Candidates: Health Care Issues Side-by-Side

    Other Post

    Health care has been an important issue in the 2008 presidential campaign and the candidates have staked out positions on key health care issues. Both major party candidates have developed comprehensive health care reform proposals addressing health coverage and access, rising health care costs and health care quality.