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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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  • Medicaid Health Homes: A Profile of Newer Programs

    Issue Brief

    Under the ACA, states have a new Medicaid option to establish "health homes" designed to improve care coordination and integration and reduce costs for beneficiaries with chronic conditions. Thus far, 15 states have implemented health home programs. Following on a 2012 brief profiling Medicaid health home programs in the first six states to adopt the option, this brief describes the health home programs in the nine states that have implemented them since that time, and…

  • The Potential Side Effects of Halbig

    Perspective

    The Halbig case, if it prevails, would have far-reaching side effects on the Affordable Care Act’s employer mandate and the functioning of the individual insurance market.

  • Share of Americans With An Unfavorable View of the Affordable Care Act Rises in July; Majority Continues To Want Congress To Improve, Not Repeal, The Law

    News Release

    A Quarter Incorrectly Believes Newly Insured Under ACA Were Enrolled in a Single Government Plan Majority of the Public Believes the Hobby Lobby Decision Will Trigger New Efforts to Deny Health Coverage On Religious Grounds After remaining steady for several months, the share of Americans expressing an unfavorable view of the Affordable Care Act rose to 53 percent in July, up eight percentage points from June, according to the latest Kaiser Health Tracking Poll. The…

  • The Ohio Health Care Landscape

    Fact Sheet

    This fact sheet provides an overview of population health, health coverage, and health care delivery in Ohio under the Affordable Care Act (ACA).

  • One Year into Duals Demo Enrollment: Early Expectations Meet Reality

    Perspective

    One year into initial enrollment in the Medicare-Medicaid financial alignment demonstrations for dual eligible beneficiaries, some initial insights are beginning to emerge. This policy insight highlights key challenges and trends emerging in states’ demonstrations.

  • At Five Year Anniversary of the ACA, Gap Between Favorable and Unfavorable Views Among The Public Narrows to Smallest Spread in More Than Two Years

    News Release

    Most Expect Negative Consequences if Supreme Court Prohibits Subsidies in States Without Their Own Insurance Exchanges; Two Thirds of the Public and Those in Affected States Want Congress or Their State to Close Any Gaps As April 15 Tax Deadline Nears, Nearly Half Unaware Insurance Reporting Requirement Starts This Year Five years after President Obama signed the Affordable Care Act, this month's Kaiser Health Tracking Poll finds the closest split between favorable and unfavorable views…

  • 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.