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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.”

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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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  • Clinton-Sanders Contest Fuels Democratic Support for Expanding Obamacare

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman discusses how the debate between Hillary Clinton and Bernie Sanders about how to get to universal coverage has generated more support among Democrats for expanding the Affordable Care Act (and less support for the law as is).

  • Puerto Rico: Fast Facts

    Fact Sheet

    Puerto Rico: Fast Facts provides a quick snapshot of the island's demographic, health, and economic characteristics. It also provides some information on federal Medicaid rules, infrastructure, and fiscal challenges ahead.

  • 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.

  • The Louisiana Health Care Landscape

    Fact Sheet

    This fact sheet provides an overview of resident socio-demographic characteristics, population health, health coverage, and the health care delivery system in Louisiana both pre-Hurricane Katrina and in the era of health reform.

  • Understanding Medicaid Hospital Payments and the Impact of Recent Policy Changes

    Issue Brief

    Medicaid payments to hospitals, which include base and supplemental payments, play an important role in hospital finances and can affect beneficiaries’ access to care.This brief provides an overview of Medicaid payments for hospitals and explores the implications of the ACA Medicaid expansion, including changes in uncompensated care, as well as payment policy changes on hospital finances.