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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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  • Grandfathering Explained

    Perspective

    The Republican leadership in the House of Representatives recently indicated that it will be seeking to repeal regulations under the Affordable Care Act (ACA) that govern the “grandfathered” status of health plans. As this aspect of the health reform law gets more scrutiny, it may be useful to review some of the specifics of how grandfathering works. The purpose of grandfathering: As provisions of the ACA go into effect, grandfathering provides for a smoother transition by…

  • Kaiser Health Tracking Poll — September 2011

    Feature

    The September tracking poll examines public opinion about the "super committee" and explores the views and experience of individuals who have pre-existing health conditions, in addition to continuing tracking opinion about the health reform law. Findings from the poll include: Most Americans express doubt that the congressional super committee can find the right solutions for dealing with the country’s finances. More than six in ten (62%) say they trust the super committee "just a little"…

  • August Kaiser Health Tracking Poll: The Uninsured and the Health Reform Law

    Perspective

    The August Kaiser Health Tracking Poll finds that even though 32 million uninsured Americans will gain health insurance under the ACA, only about half of non-elderly Americans currently without coverage say they are familiar with the chief components in the law designed to achieve this goal. Fifty-two percent of the uninsured say they are aware the law will provide subsidies to help low- and moderate-income people without insurance purchase it. And 47 percent are aware that…

  • Pulling It Together: Uninsured But Not Yet Informed

    Perspective

    If there is one thing there is general agreement on when it comes to the Affordable Care Act (ACA) it’s that it will help the uninsured.  The estimates are that 32 million people will gain coverage under the law through an expansion of Medicaid and tax credits, which will help low- and moderate-income people purchase coverage through the new insurance exchanges. Therefore, it was a real surprise in our latest tracking poll to learn that…

  • Measuring the Affordability of Employer Health Coverage

    Perspective

    A recent draft regulation issued by the Treasury Department describes who is eligible for premium tax credits to help them afford coverage offered through health insurance exchanges beginning in 2014. Tax credits will be available to people with incomes between 100 and 400 percent of the poverty level who are not eligible for public coverage such as Medicaid or Medicare and who are not offered affordable health coverage by an employer. The approach that the…

  • Proposed Models to Integrate Medicare and Medicaid Benefits for Dual Eligibles: A Look at the 15 State Design Contracts Funded By CMS

    Issue Brief

    This brief summarizes 15 states' preliminary proposals to better coordinate care for people who are in both the Medicare and Medicaid programs. The design contracts, funded by the federal Center for Medicare and Medicaid Innovation (CMMI), are an outgrowth of new efforts under the health reform law to develop service delivery and payment models that integrate care for the nation’s nearly 9 million "dual eligibles," whose medical needs and health care costs typically exceed those…

  • The Budget Trigger and Health Reform

    Perspective

    No doubt it will take some time to sort out how elements of the debt deal (formally "The Budget Control Act of 2011") will all work. Delving into the details of how it affects subsidies in the Affordable Care Act (ACA) to make insurance more affordable helps to illustrate how complex this business can be. Let's start with a short primer on the ACA subsidies. Starting in 2014 people buying insurance on their own in…

  • Kaiser Health Tracking Poll — August 2011

    Feature

    The August tracking poll examines the views of Americans without health insurance, with a particular focus on how they think the health reform law will affect them. Findings from the poll include: Although estimates are that 32 million uninsured Americans will gain coverage under the ACA, only about half of non-elderly Americans currently without coverage say they are familiar with the chief components in the law designed to achieve this goal. Perhaps because awareness of…

  • Strengthening Medicaid with Health Information Technology: Are Providers & States Up to the Challenge?

    Event Date:
    Event

    Health care providers can receive Medicare and Medicaid payment incentives when they adopt electronic health records and demonstrate their "meaningful use." Additionally, states must establish a website by 2014 for Medicaid beneficiaries to electronically enroll and renew coverage. Yet many challenges remain so that health information technology (HIT) can help the Medicaid program operate more effectively. How can Medicaid health plans and providers use HIT to provide better care delivery and improve health outcomes while…

  • Mapping Premium Variation in the Individual Market

    Issue Brief

    This analysis examines how premiums for individual health insurance differ around the nation, finding that premiums can vary substantially from state to state. The average per-person premium in 2010 ranged in cost from approximately $136 per month in Alabama to more than $400 per month in Vermont and Massachusetts. The average across all states was $215 per member per month. Given the fragmentation of the market and the lack of public data available about individual…