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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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  • Poll: Strong Initial Support for a Public Option, But Arguments Can Significantly Shift Views

    News Release

    Health Care Remains a Top Issue for Democrats Heading into Next Debates; At This Stage, More Want to Hear About Candidates’ Difference than Contrasts with President Trump The 2020 presidential election may be shaping up to be another election cycle focused on health care, with Democratic candidates offering competing proposals aimed at expanding coverage and controlling costs and a pending legal battle over the constitutionality of the Affordable Care Act. The latest KFF tracking poll…

  • State Actions to Improve the Affordability of Health Insurance in the Individual Market

    Issue Brief

    A number of states have taken steps to provide consumers with more affordable coverage options in the individual market, including the marketplaces. Some states are implementing strategies that lower premiums by building on, and increasing the stability of the individual market, while other states are expanding the availability of lower cost coverage sold outside the marketplaces that does not comply with ACA standards—an approach that could increase marketplace premiums further. This brief examines these different…

  • Analysis: ‘Cadillac Tax’ on High-Cost Health Plans Could Affect 1 in 5 Employers in 2022

    News Release

    A new KFF analysis estimates that the Affordable Care Act’s tax on high-cost health plans would affect one in five (21%) employers offering health benefits when it takes effect in 2022 unless employers change their health plans. An even larger share (31%) could be affected when workers’ voluntary contributions to Flexible Spending Accounts are taken into account. The analysis comes as some in Congress are proposing to repeal the ACA’s tax on high-cost health plans,…

  • How Many Employers Could Be Affected by the High-Cost Plan Tax

    Issue Brief

    The high cost plan tax (HCPT) sometimes referred to as the Cadillac tax, is an excise tax on the cost of employer health benefit exceeding certain threshold. The HCPT provides a powerful incentive to control health plans costs over time, whether through efficiency gains or shifts in costs to workers. While many employers do not expect that the tax will take effect in 2022, others are already amending their health programs in anticipation. We estimate…

  • Uwe Reinhardt’s New Book Priced Out: His Health Policy Ideas in Today’s Debates

    Event Date:
    Event

    Dr. Uwe Reinhardt is a giant in the health policy field who advised policymakers and influenced debates about the nation’s health system before his passing in 2017. His recently released last book, Priced Out: The Ethics and Economics of Health Care, completed by his wife and longtime collaborator Tsung-Mei (May) Cheng gives us the gift of further insights into the U.S. health system and many issues that the country is debating right now, ranging from health price…

  • Explaining Texas v. U.S.: A Guide to the 5th Circuit Appeal in the Lawsuit Challenging the Affordable Care Act 

    News Release

    The outcome of the Texas v. U.S. legal challenge to the Affordable Care Act (ACA) could have far-reaching consequences for the nation’s health system, from rolling back the expansion of Medicaid to removing protections for people with pre-existing conditions and revoking the ability of adult children to stay on their parents’ insurance plans up to age 26. In December, U.S. District Judge Reed O’Connor invalidated the entire ACA after finding the individual mandate unconstitutional. Today,…

  • Key State Policy Choices About Medical Frailty Determinations for Medicaid Expansion Adults

    Issue Brief

    This issue brief answers 3 key questions and provides new data about state medical frailty determinations, which are assuming greater importance as more states adopt restrictive Section 1115 waivers that exempt medically frail enrollees from policies such as work requirements and premiums. The findings are excerpted from our 50-state survey on Medicaid financial eligibility for seniors and people with disabilities.