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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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  • Kaiser Health Tracking Poll: Late June 2015 – A Special Focus On The Supreme Court Decision

    Feature

    The latest Kaiser Health Tracking Poll finds that when told that the U.S. Supreme Court ruled to keep the Affordable Care Act (ACA) as it is, allowing subsidies to be provided to low- and moderate-income people in all states regardless of who runs their Marketplace, about 6 in 10 say they approve of the decision while about a third disapprove. The King v. Burwell ruling does not appear to have had an immediate effect on…

  • Bernie Sanders, Hillary Clinton, and Medicare for All

    From Drew Altman

    In this column for The Wall Street Journal’s Think Tank, Drew Altman explores the differing positions of presidential candidates Hillary Clinton and Bernie Sanders on a single payer or Medicare-for-all health care system and whether Democratic voters consider it an important factor in the 2016 primaries.

  • Covering the Remaining Uninsured: Not Just a Red-State Issue

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman explains why covering the nation’s remaining uninsured population is more than just a red state issue. All previous columns by Drew Altman are available online.  

  • Takeaways From Alaska’s Medicaid Expansion

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman discusses the implications of the governor of Alaska’s decision to move ahead unilaterally with Medicaid expansion. All previous columns by Drew Altman are available.

  • King v. Burwell and Media Coverage

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman lays out the news media’s challenge covering the upcoming Supreme Court King v. Burwell decision about the Affordable Care Act. All previous columns by Drew Altman are available online.

  • 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…

  • 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.

  • New Analysis Suggests ACA Marketplace Enrollment Could Grow Modestly Over Next Few Years, up to 16.3 Million Sign-Ups, 14.7 Million Enrollees after Attrition

    News Release

    A new analysis from the Kaiser Family Foundation finds that sign-ups in Affordable Care Act marketplace plans could continue to grow modestly over the next few years to 16.3 million (up 28%), based on the experience of the top-performing states. Assessing ACA Marketplace Enrollment examines factors that may have kept enrollment in 2016 from reaching early projections, including smaller declines than expected in employer coverage and a substantial number of people buying their own insurance…