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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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  • What Women Think of the Core Issue in the Hobby Lobby Case

    From Drew Altman

    This was published as a Wall Street Journal Think Tank column on June 30, 2014. The Supreme Court decision upholding Hobby Lobby’s ability to refuse to cover certain contraceptive services based on its owners’ religious beliefs has set off a wave of analysis of what the decision means. That will not be resolved anytime soon. But we do know what women think of the policy issue at the core of the case. Overall, by a margin of…

  • Legal Analysis of the Supreme Court Ruling on Hobby Lobby

    Feature

    This chart looks at the U.S. Supreme Court decision in the Hobby Lobby case involving the Affordable Care Act's (ACA) contraceptive coverage requirement. It examines how the Court answered four key questions in the case.

  • On Medicaid Expansion, Red States Will Be Watching Red States

    From Drew Altman

    This was published as a Wall Street Journal Think Tank column on June 30, 2014. Since the Supreme Court made expanding Medicaid optional for states under the Affordable Care Act, 26 states have expanded Medicaid. Three of the 24 states that have not–Indiana, Utah and Pennsylvania–are considering expanding via federal waivers that they are negotiating with the Obama administration. In Virginia, the newly elected Democratic governor is looking for a way around opposition from the Republican-controlled legislature,…

  • Visualizing Health Policy: Understanding the Effect of Medicaid Expansion Decisions in the South

    Other Post

    This Visualizing Health Policy infographic examines the effect of decisions by states in the South to implement or forgo the Affordable Care Act Medicaid expansion. It shows that Southerners are more likely than people living in other parts of the United States to be uninsured; that most Southern states have poverty rates above the national average; that without the Medicaid expansion (which most Southern states are not implementing), Medicaid eligibility levels for adults in the South remain…

  • Visualizing Health Policy: Understanding the Effect of Medicaid Expansion in the South

    News Release

    This Visualizing Health Policy infographic examines the effect of decisions by states in the South to implement or forgo the Affordable Care Act Medicaid expansion. It shows that Southerners are more likely than people living in other parts of the United States to be uninsured; that most Southern states have poverty rates above the national average; that without the Medicaid expansion (which most Southern states are not implementing), Medicaid eligibility levels for adults in the…

  • Data Note: Differences In Public Opinion On The ACA’s Contraceptive Coverage Requirement, By Gender, Religion, And Political Party

    Feature

    One of the most politically polarizing elements of the Affordable Care Act (ACA) is the law’s requirement that new private health insurance plans cover prescription contraceptives and services, including all methods approved by the Food and Drug Administration. The rule currently provides an exemption for houses of worship and an “accommodation” for religiously affiliated non-profit employers who object to providing contraceptive coverage; however all for-profit employers that provide health insurance must include this benefit. Over…

  • Health Coverage and Care in the South in 2014 and Beyond

    Issue Brief

    This issue brief provides an overview of health coverage and care in the South today, with a focus on demographics, the impact of the ACA coverage expansions, and ongoing efforts to improve the delivery system and safety net in the South.

  • Advancing Opportunities, Assessing Challenges: Key Themes from a Roundtable Discussion of Health Care and Health Equity in the South

    Issue Brief

    This brief summarizes the primary themes expressed by participants of a roundtable discussion of current and future opportunities and challenges for advancing health care and health equity in the South organized by Kaiser Family Foundation’s Commission on Medicaid and the Uninsured and the Satcher Health Leadership Institute at Morehouse School of Medicine in Atlanta, Georgia.

  • Health Coverage and Care in the South: A Chartbook

    Report

    The South has faced longstanding disparities in health and health care, although significant variation exists between southern states. As a group, compared to those in other regions, Southerners are more likely to be uninsured, less likely to have access to needed health services, and more likely to experience a number of chronic health conditions. This chartbook provides key data on the demographic and economic characteristics of the southern population as well as their health status,…