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Affordable Care Act

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.

Updated Larry QT on ePTCs

There is No Drop-Dead Date for an ACA Tax Credit Extension, But Coverage Losses Will Mount as the Clock Ticks

A discharge petition in the House paves the way for a vote on a three-year extension of the tax credits, which would provide ACA enrollees premium relief whenever it comes. While there is still time to extend the enhanced tax credits, with each passing day, more and more ACA Marketplace enrollees are going to drop their health insurance when faced with eye-popping increases in their premium payments, writes KFF’s Larry Levitt.

ACA Marketplaces

Competition Has Increased in the Individual Market But Fallen in Fully Insured Group Markets

Commercial health insurance markets remain highly concentrated across coverage types. However, the individual market, which consists mostly of the ACA Marketplaces, has attracted more insurers and witnessed greater insurer competition across a variety of measures since the implementation of the enhanced premium tax credits in 2021, according to a new Healthy System Tracker analysis.


ACA Premium Payment Increases Across Congressional Districts

Some Price-Sensitive Consumers May Consider Switching to Short-Term Plans

Marketplace Enrollment Snapshot for Open Enrollment 2026

Number of Insurers in the Individual Insurance Marketplaces

Timely insights and analysis from KFF staff

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  • Kaiser Health Tracking Poll: April 2013

    Feature

    With open enrollment in new health coverage options created under the Affordable Care Act set to begin in October, much of the public remains confused about the status of the law. The April 2013 Kaiser Health Tracking Poll provides a rough baseline of public awareness of the ACA before more intensive consumer information and consumer assistance efforts begin.

  • Explaining Health Care Reform: Medical Loss Ratio (MLR)

    Fact Sheet

    This fact sheet explains the Medical Loss Ratio requirement under the Affordable Care Act (ACA). The MLR provision limits the portion of premium dollars health insurers may spend on administration, marketing, and profits. Under health care reform, health insurers must publicly report the portion of premium dollars spent on health care and quality improvement and other activities in each state they operate. Insurers failing to meet the applicable standard must pay rebates to consumers and businesses.

  • Kaiser Health Tracking Poll: August 2016

    Feature

    In advance of the 2016 presidential election, the August Kaiser Health Tracking Poll examines what health care issues voters would most like to hear the presidential candidates talk about during their campaigns and which candidate voters trust to do a better job of dealing with certain health care issues. In addition, the August Tracking Poll continues KFF’s analysis on attitudes related to the Zika virus outbreak as well as provides an update on attitudes towards electronic health records.

  • Kaiser Health Policy News Index: March 2015

    Feature

    The public paid more attention to news coverage of the measles outbreak in the U.S. and the resulting debate on whether vaccinations should be required for all kids than any other news story included in this month's Kaiser Health Policy News Index. Nearly half correctly identified that the number of confirmed measles cases in the U.S. since the outbreak began late last year is closer to 100, and most say they are not too or not at all worried about the measles outbreak.

  • Kaiser Health Tracking Poll: November 2015

    Feature

    As the problem of prescription painkiller abuse has captured greater attention from policymakers and the media, the November Kaiser Health Tracking Poll explores the public’s connection to and knowledge of the issue, as well as their views of how to address it. A surprising 56 percent of the public say they have some personal connection to the issue – either because they say they know someone who has taken a prescription painkiller that wasn’t prescribed to them, know someone who has been addicted, or know someone who has died from a prescription painkiller overdose. While views of the health care law have been narrowly divided for much of the year, this month more say they have an unfavorable view of the law than a favorable one. The poll also includes views of the uninsured during the third open enrollment period under the health care law.

  • The Role of Medicaid in State Economies and the ACA

    Issue Brief

    This brief summarizes findings from 32 studies in 26 states analyzing the anticipated impact of the Affordable Care Act Medicaid expansion (and in some cases full ACA implementation) on state and local economies.