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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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  • Health Insurance Coverage for Older Adults: Implications of a Medicare Buy-In

    Issue Brief

    As the Senate debates comprehensive health reform legislation, the idea of a Medicare buy-in option for uninsured adults aged 55-64 has re-emerged as a potential component of a reform plan. This Kaiser Family Foundation policy brief provides an updated profile of the more than 4 million uninsured people between ages 55 and 64 and examines historical proposals to allow uninsured older adults to purchase Medicare coverage. It also examines barriers to securing affordable coverage in…

  • Getting Connected: Can the ACA Improve Access to Health Care in Rural Communities?

    Event Date:
    Event

    Residents of rural communities face unique health care challenges, including fewer health care providers, higher rates of chronic disease, and lower adoption rates of health information technology. This October 13 briefing, cosponsored by the Alliance for Health Reform and the United Health Foundation, looked at the many provisions in the Patient Protection and Affordable Care Act (ACA) that speak to the needs of rural communities, with a focus on boosting the health care workforce and…

  • Accountable Care Organizations: A New Paradigm for Health Care Delivery?

    Event Date:
    Event

    The health reform law of 2010 authorizes Medicare, beginning next year, to contract with accountable care organizations (ACOs) in a Medicare Shared Savings Program. ACOs provide financial incentives to improve the coordination and quality of care for Medicare beneficiaries, while reducing costs. But providers have raised red flags, saying the arrangements are burdensome and too hard to achieve. This briefing addresses questions raised by the law and the subsequent regulation implementing ACOs, including: How will…

  • Medicare Spending and Use of Medical Services for Beneficiaries in Nursing Homes and Other Long‐Term Care Facilities: A Potential for Achieving Medicare Savings and Improving the Quality of Care

    Report

    Medicare Spending and Use of Medical Services for Beneficiaries in Nursing Homes and Other Long‐Term Care Facilities: A Potential for Achieving Medicare Savings and Improving the Quality of Care This report documents the relatively high rates of hospital stays, emergency room visits and skilled nursing facility admissions among long-term care facility residents. It finds that Medicare per capita spending for Medicare beneficiaries living in nursing homes, assisted-living centers and other long-term care facilities, $14,538 in…

  • The Public’s Health Care Agenda for the 112th Congress

    Poll Finding

    Though the public remains divided on health reform overall, opposition to the new law ticked upward in January as Republicans ramped up efforts to repeal it, according to a survey conducted by researchers from the Kaiser Family Foundation and the Harvard School of Public Health. The survey also showed that there is no groundswell of public support for overturning the law, that many individual components of the legislation remain popular across the political spectrum and…

  • State Variation and Health Reform: A Chartbook

    Report

    This chartbook pulls together data related to state variation in key areas such as major industry types, poverty and unemployment rates and fiscal conditions; health coverage and the uninsured; Medicaid and CHIP eligibility and enrollment; Medicaid spending and financing; access to Health Care; health care costs; and insurance markets.

  • Statement of Gary Claxton to NAIC Exchanges (B) Subgroup

    Event Date:
    Event

    Kaiser Family Foundation Vice President Gary Claxton, who directs the Foundation's Marketplace Policy Project, testified July 22, 2010, at a public hearing before the National Association of Insurance Commissioners' Exchanges (B) Subgroup established by the health reform law.  Testimony (.pdf)

  • Immigration Reform and Access to Health Coverage: Key Issues to Consider

    Issue Brief

    The Obama administration and a bipartisan group of U.S. senators recently released blueprints for immigration reform proposals that include a roadmap to citizenship for the 11 million undocumented immigrants currently residing in the United States. Subject to meeting specified requirements, these individuals would be able to apply for a provisional lawful status. After completing an undefined number of years in this status, an individual would then be allowed to apply for lawful permanent residency and,…

  • Pulling It Together: Critical Path To Health Reform

    Perspective

    In this new section of our Web site, I pull together ideas and data from across the Foundation’s work to try to paint a bigger picture that hopefully helps to illuminate critical health policy issues. This is not a blog or a personal position statement. This second installment of the new Pulling It Together series lays out the steps that could lead to the first major national health reform debate since the early nineties. Other…

  • Kaiser Health Tracking Poll — March 2012

    Feature

    As the oral arguments on the Affordable Care Act (ACA) begin in two weeks before the Supreme Court, the March Kaiser Health Tracking Poll finds that Americans' views on the case mirror their views on the health reform law and that they expect parts of the ACA to continue whatever the Court rules. The poll finds that half of all Americans (51%) think the Court should rule the mandate unconstitutional and about the same number…