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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

Enhanced Premium tax credits

2025 KFF Marketplace Enrollees Survey

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

Timely insights and analysis from KFF staff

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  • A Look at State Efforts to Ban Cellphones in Schools and Implications for Youth Mental Health

    Issue Brief

    Education leaders and policymakers are turning to cellphone bans in schools to help address youth mental health concerns and improve learning, an idea that has largely received bipartisan support. Cellphone ban legislation has had a resurgence following advisories from the U.S. Surgeon General on youth mental health and the impacts of social media. Research on the effectiveness of these bans, however, is limited, and challenges with implementation and enforcement remain.

  • Claims Denials and Appeals in ACA Marketplace Plans in 2023

    Issue Brief

    This brief analyzes federal transparency data released by the Centers for Medicare and Medicaid Services (CMS) on claims denials and appeals for non-group qualified health plans (QHPs) offered on HealthCare.gov in 2023. It finds that HealthCare.gov insurers denied nearly one out of every five claims (19%) submitted for in-network services. Information about the reasons for denials is limited, and few consumers appeal claims denials.

  • A 90% Cut to the ACA Navigator Program

    Quick Take

    Cutting funding for the trusted and impartial source of important information Navigators provide could have big impacts just as many consumers may need to re-evaluate their coverage options.

  • Challenges with Effective Price Transparency Analyses

    Issue Brief

    Promoting price transparency in health care is a policy approach with bi-partisan support in Congress and the public at large. This analysis examines the vast troves of price transparency data that payers are required and finds unlikely prices, inconsistencies, and other oddities that pose major challenges for efforts to use it to promote competition and drive down prices.

  • With or Without ACA Repeal, ACA and Medicaid Cuts are Looming

    Perspective

    In this JAMA Health Forum post, Executive Vice President Larry Levitt explores why the incoming Trump administration and Republican majorities in Congress are likely to pursue budget cuts in Medicaid and the Affordable Care Act and why such efforts are likely to boost the number of uninsured Americans.

  • Medicare’s Role in Health-Care Payment Reform

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman explores whether Secretary Burwell's announcement this week about Medicare's payment reform initiative is another sign that the public sector is becoming the engine driving payment and delivery reform.