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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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  • People with HIV Who Gained Health Coverage Under ACA Are More Comfortable Navigating Insurance Two Years Later, But Problems Persist, Others Remain Uninsured

    News Release

    A new Kaiser Family Foundation report based on focus groups conducted in five states finds people living with HIV are more comfortable with navigating health insurance two years into the Affordable Care Act’s (ACA) major coverage expansions. Those in the marketplaces and Medicaid recognize their new benefits but often continue to worry about maintaining coverage and remain concerned about its affordability, and many in states without Medicaid expansion remain uninsured. The brief takes a second…

  • Aprenda sobre seguros médicos: los videos en español

    Video

    The YouToons help consumers understand health insurance by explaining health insurance premiums, out-of-pocket costs, and provider networks. These three videos are excerpts from the 2014 YouToons video, Health Insurance Explained – The YouToons Have It Covered.

  • Survey of Non-Group Health Insurance Enrollees, Wave 3

    Poll Finding

    The survey, conducted shortly after the close of the Affordable Care Act’s third open enrollment period, is the third in a series exploring the experiences of individuals who purchase their own health insurance in the nongroup market, including coverage purchased both inside and outside the ACA’s marketplaces. It examines enrollees’ satisfaction with their health plans’ premiums, deductibles, and provider networks, their views on affordability, shopping experiences, and problems encountered with their plans.

  • Puerto Rico: Datos Básicos

    Fact Sheet

    Puerto Rico: Datos Básicos provee una descripción general del las características demográficas, y estadísticas de salud y la economía. También se da alguna informacion del gobierno, reglas federales de Medicaid, y asuntos corrientes que estan afectando el territorio, incluyendo a Zika.

  • 8 Questions & Answers about Puerto Rico

    Fact Sheet

    These slides provide a quick snapshot of Puerto Rico’s population, as well as current and upcoming issues that are impacting the island’s health care system.

  • King v. Burwell and Media Coverage

    From Drew Altman

    In this 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 ACA.

  • Updated for 2015: Tool Displays By Locality the Share of Potential ACA Federal Marketplace Enrollees That Signed Up

    News Release

    An interactive tool from the Kaiser Family Foundation is now updated with 2015 data, allowing users to view on a local level the share of potential enrollees who signed up for a health plan in a federally-based marketplace under the Affordable Care Act. With Mapping Marketplace Enrollment, users can also compare the number of potential and actual enrollees – and the percentage that signed up for a plan -- in 2014 and 2015 within 100,000-resident…

  • How Have State Medicaid Expansion Decisions Affected the Experiences of Low-Income Adults? Perspectives from Ohio, Arkansas, and Missouri

    Issue Brief

    This brief examines the experiences of low-income adults in three states that have made varied Medicaid expansion decisions: Ohio, which adopted the ACA Medicaid expansion, Arkansas which implemented the Medicaid expansion through a “Private Option” waiver, and Missouri, which has not adopted the expansion. While Arkansas and Ohio implemented the expansion in different ways, participants in both states described how obtaining coverage improved their ability to access care, contributing to improvements in their ability to…

  • New Evidence Health Spending Is Growing Faster Again

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman discusses new Census Department survey data showing higher health spending growth over the last four economic quarters, and raises the question: is the health spending slowdown over? All previous columns by Drew Altman are available.