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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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  • Toplines: Kaiser Health Tracking Poll — December 2009

    Poll Finding

    This document contains the toplines from the December Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted December 7 through December 13, 2009, among a nationally representative random sample of 1,204 adults ages 18 and older. Telephone interviews conducted by landline (801) and cell phone (403, including 111 who had no landline telephone) were carried out in English and Spanish. The margin of…

  • Public Reporting of Quality Outcomes: What’s the Best Path Forward?

    Event Date:
    Event

    The Affordable Care Act aims to promote higher quality care in part by rewarding – and eventually requiring – the reporting of certain quality measures. Previous efforts suggest that public reporting can add significant value. Yet there are concerns about the best way to measure outcomes and quality, the possible unintended effects of public reporting, and whether purchasers and consumers actually use the information to make choices. Panelists at this April 27 briefing co-sponsored by…

  • Health Care Affordability and the Uninsured

    Event

    Diane Rowland testified at a hearing on the instability of health coverage before the Health Subcommittee of the U.S. House Committee on Ways and Means. Her testimony discussed the growing share of Americans who are uninsured and without adequate health insurance coverage and highlighted the key characteristics and issues with regard to the uninsured as well as the financial burdens for medical care faced by America's families. Testimony (.pdf)

  • Uninsured Young Adults: A Profile and Overview of Coverage Options

    Issue Brief

    Young adults, age 19-29, have the highest uninsured rate of any age group. Since 29% of the uninsured are young adults, efforts to decrease the overall number of uninsured must address this population. This brief examines health coverage for young adults, as well as their health status, access to care, and the financial burdens they encounter when paying for care. It also provides an overview of public and private approaches to expand health coverage for…

  • Pulling It Together: The “R” Word Is Back

    Perspective

    Longer ago than I care to admit, I got my start in health policy at M.I.T. when I wrote a book about health care regulation. The book was about a long forgotten attempt to rationalize the health care system through an elaborate health planning program set up in the seventies under the National Health Planning and Resources Development Act. It established a system of federal, state and regional planning bodies to control health care costs by limiting the supply of…

  • Health Care Reform Newsmaker Series: Sen. Max Baucus (D-Mont.)

    Event Date:
    Event

    Sen. Max Baucus (D-Mont.), chairman of the Senate Committee on Finance, appeared as the first guest in a new series of Health Care Reform newsmaker briefings sponsored by the Kaiser Family Foundation, Families USA and the National Federation of Independent Business. The reporters-only briefings, designed to inform the public about prospects and options for health reform, feature a short presentation by an influential leader followed by an extended question-and-answer session. Transcript (.pdf) Video

  • Chartpack: Kaiser Health Tracking Poll — July 2009

    Poll Finding

    This document contains the chartpack from the July Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted July 7 through July 14, 2009, among a nationally representative random sample of 1,205 adults ages 18 and older. Telephone interviews conducted by landline (800) and cell phone (405, including 126 who had no landline telephone) were carried out in English and Spanish. The margin of…

  • Individuals with Special Needs and Health Reform: Adequacy of Health Insurance Coverage

    Issue Brief

    This issue brief examines the health care needs and health costs of individuals with special health challenges, focusing on those with low-to-moderate incomes. It finds that even under a benefit package more generous than most offered in the private insurance market, individuals and families can face significant gaps in coverage and large out-of-pocket costs, especially if they have serious health conditions. The findings have implications for the health reform debate as policymakers consider minimum standards…

  • Pulling it Together: Implementation

    Perspective

    When I was a graduate student at MIT my adviser Jeffrey Pressman was a great political scientist who had just written the seminal book on program implementation.  It was called, simply enough, Implementation, with a subhead that read: "how great expectations in Washington are dashed" (OK, we political scientists study politics too much and are a little cynical at times).  The book literally created a new subfield in political science focusing on program implementation.  This…

  • KFF Explores Health Reform and the Tea Party Movement

    Perspective

    With much media discussion of the role that the Tea Party will play in the upcoming congressional midterm elections, the Kaiser Family Foundation took a closer look at Tea Party supporters using its most recent Health Tracking Poll data from September. While 57 percent of voters who do not support the Tea Party movement view the health reform law favorably, 57 percent of Tea Party supporters view the law "very" unfavorably, and another 11 percent…