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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

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.

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  • California’s Health Care Environment and Health Reform Efforts: June 2013 Update

    Issue Brief

    This brief provides and update of the health care and health policy environment in California, discussing the budgetary environment, implementation of the state's "Bridge to Reform" Medicaid waiver, and efforts to prepare for coverage expansions and new coverage options in 2014 under the Affordable Care Act.

  • Medicaid and Its Role in State/Federal Budgets & Health Reform

    Fact Sheet

    This chartpack from the Kaiser Commission on Medicaid and the Uninsured addresses five key questions about the Medicaid program. They include: What is Medicaid and what does it do? What does Medicaid cost and why? What is Medicaid's role in state budgets? What is Medicaid's role in the federal budget? What is Medicaid's role in health reform? Chartpack (.pdf) Related fact sheet: Medicaid and Its Role In State/Federal Budgets and Health Reform

  • Assessing Americans’ Familiarity With Health Insurance Terms and Concepts

    Poll Finding

    With the approaching launch of the second open enrollment period for the Affordable Care Act’s (ACA) health insurance marketplaces and at a time when open enrollment is also happening for many job-based plans, the Kaiser Family Foundation conducted a nationally representative survey of 1,292 U.S. adults to shed light on Americans’ understanding of basic health insurance terms and concepts, and to identify gaps in awareness that could lead to difficulties for some individuals as they…

  • More Than Four in Ten Uninsured Don’t Know Basic Health Insurance Terms, Fewer Understand Complex Coverage Concepts

    News Release

    Kaiser Family Foundation Provides Consumer Resources to Fill Knowledge Gaps as the Second Open Enrollment Period Nears for the Affordable Care Act’s Marketplaces With open enrollment for the Affordable Care Act’s health insurance marketplaces days away, findings from a new Kaiser Family Foundation survey suggest that some people who stand to benefit from the law struggle to understand how coverage works. The survey finds more than four in 10 uninsured people could not correctly identify…

  • Mapping Marketplace Enrollment

    Interactive

    This interactive zip code tool and map displays enrollment in the Health Insurance Marketplaces as a share of the potential market in small geographic areas across the country.

  • Health Insurance Coverage for People with HIV Under the Affordable Care Act: Experiences in Five States

    Issue Brief

    To provide greater insight into how Affordable Care Act (ACA) implementation has affected people with HIV during the first year of major insurance expansions, this issue brief examines the experiences of people with HIV based on focus groups conducted in five states: California, Florida, Georgia, New York, and Texas. It is a part of KFF's larger ACA sentinel sites project.