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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.”

new and noteworthy
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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  • Health Reform: How Will Medicaid Change? Tutorial

    Interactive

    This tutorial was produced for kaiserEDU.org, a Kaiser Family Foundation website that ceased production in September 2013. The kaiserEDU.org tutorials are no longer being updated but have been made available on kff.org due to demand by professors who are using the tutorials in class assignments. You may search for other tutorials to view on kff.org. To download this or other tutorials, visit the tutorials archive page.  Slides are available for download using the "Download Slides" link within the…

  • Issues for Structuring Interim High-Risk Pools

    Issue Brief

    One of the first provisions that would be implemented under federal health reform bills in the House and the Senate would establish a national high-risk pool program to offer coverage to otherwise uninsurable individuals during the interim period between enactment and implementation of broader health care reforms. High-risk pools provide a safety net for people who are denied coverage by private insurers due to their health. Most states that permit insurers to decline applicants for…

  • Health Insurance Exchanges: House or Senate Style?

    Event Date:
    Event

    Health insurance exchanges can potentially serve a variety of policy ends, from promoting transparency and competition among health plans, to pooling risk, to administering subsidies for those unable to afford health insurance premiums. This briefing, co-sponsored by the Alliance for Health Reform and The Commonwealth Fund, looked at how the House and Senate reform bills deal with exchanges. One major difference: the House proposal would set up a national exchange, with states having the right…

  • Today’s Topics In Health Disparities: What Might Health Reform Mean for Women of Color?

    Event Date:
    Event

    This December 16, 2009, Today's Topics In Health Disparities webcast examined aspects of the current Senate and House health reform bills that particularly impact women of color. Women tend to be greater users of the health care system than men, have higher rates of some chronic illnesses, and have unique reproductive health care needs. Women also tend to take the lead when it comes to obtaining health care for their family members. Provisions such as…

  • States Sustain and Expand Coverage For Low-Income Children and Families Despite Recession, But Gains Are Threatened By Impending End of Federal Assistance

    News Release

    New 50-State Survey Illustrates Key Role of CHIP Reauthorization and the Federal Stimulus Law in Safeguarding Coverage    WASHINGTON  – Despite the deep recession, most states have managed to safeguard and, in some cases, expand health coverage for children and parents in their Medicaid and Children's Health Insurance Programs in 2009, according to a new survey from the Kaiser Family Foundation's Commission on Medicaid and the Uninsured.  But the gains, which could serve as a…

  • Pulling it Together: A Holiday Reminder on the Economy and Health Care

    Perspective

    With so much of the focus on the political dynamics of the health reform debate and a few hot button issues, I wonder if we have lost track of what propelled health care to the top domestic issue in the first place—people’s concerns about paying for health care in the middle of a deep recession. This gave health greater traction as a national issue and brought us our best chance at national health reform legislation…

  • Health Insurance Coverage for Older Adults: Implications of a Medicare Buy-In

    Issue Brief

    As the Senate debates comprehensive health reform legislation, the idea of a Medicare buy-in option for uninsured adults aged 55-64 has re-emerged as a potential component of a reform plan. This Kaiser Family Foundation policy brief provides an updated profile of the more than 4 million uninsured people between ages 55 and 64 and examines historical proposals to allow uninsured older adults to purchase Medicare coverage. It also examines barriers to securing affordable coverage in…

  • Key Findings: Kaiser Health Tracking Poll — December 2009

    Poll Finding

    This document contains the key findings 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…

  • Alternatives for Financing Medicaid Expansions in Health Reform

    Report

    Expanding Medicaid to cover low-income populations has been a fundamental component of leading health reform proposals. The House Leadership Bill would expand Medicaid to 150 percent of the federal poverty level and the Senate Leadership Bill would expand Medicaid to 133 percent of the federal poverty level. In both scenarios the federal government would finance a substantial share of costs for the expansion groups.  This analysis, however, shows that it is possible to distribute increased…

  • 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…