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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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  • 10 FAQs: Medicare’s Role in End-of-Life Care

    Fact Sheet

    About eight of 10 of the 2.6 million people who died in the US in 2014 were people on Medicare, making Medicare the largest insurer of health care provided during the last year of life. These Frequently Asked Questions explain Medicare’s role in or coverage of end-of-life care, advance care planning, advance directives, and hospice care. They also provide information on Medicare spending on end-of-life care, changes to the physician fee schedule, and how related issues arose…

  • 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…

  • JAMA Forum: The Health Care Law that Continues to Escape Death

    Perspective

    In this November 2017 post for The JAMA Forum, Larry Levitt reviews the status of the Affordable Care Act following actions by the Trump administration widely perceived as designed to undermine the marketplaces. Despite assertions to the contrary, Levitt finds, "at least for now, the ACA seems very much alive."

  • ACA Mandate Repeal May Be Less Popular Than GOP Thinks

    From Drew Altman

    In this Axios column, Drew Altman discusses how public opinion seems to flip on eliminating the individual mandate as part of the tax legislation, from for it to against, when the public considers the consequences.

  • Tracking Section 1332 State Innovation Waivers

    Fact Sheet

    This interactive map shows the status of all Section 1332 waivers requested by states. The Affordable Care Act (ACA) allows states to apply for innovation waivers to alter key ACA requirements in the individual and small group insurance markets and can be used to shore up fragile insurance markets, address unique state insurance market issues, or experiment with alternative models of providing coverage to state residents.

  • Poll: Public Says Drug Companies Have More Influence in Washington than the NRA

    News Release

    Democrats Split on Whether to Fix the ACA or Push for a National Health Plan; Few Democratic Voters Say a National Health Plan is Their Top Issue for the Midterms As policymakers weigh strategies to address the high cost of prescription drugs, the latest Kaiser Health Tracking Poll finds that a large majority of the public (72%) view pharmaceutical companies as having too much influence in Washington – more than say the same about the…

  • Proposals for Insurance Options That Don’t Comply with ACA Rules: Trade-offs In Cost and Regulation

    Issue Brief

    This brief examines four options to promote the sale of health plan options in the individual or non-group market that are not subject to Affordable Care Act (ACA) requirements for other major medical health plans. It reviews the trade-offs involved if such loosely regulated markets take root as an alternative to the ACA-regulated market, particularly as the repeal of the individual mandate penalty takes effect next year.