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The ACA Marketplace

2025 KFF Marketplace Enrollees Survey

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, according to a KFF survey conducted in 2025.

New AND NOTEWORTHY

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.

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  • More Than Four in Ten Uninsured Don’t Know Basic Health Insurance Terms, Fewer Understand Complex Coverage Concepts

    News Release

    Kaiser Family Foundation Provides Consumer Resources to Fill Knowledge Gaps as the Second Open Enrollment Period Nears for the Affordable Care Act’s Marketplaces With open enrollment for the Affordable Care Act’s health insurance marketplaces days away, findings from a new Kaiser Family Foundation survey suggest that some people who stand to benefit from the law struggle to understand how coverage works. The survey finds more than four in 10 uninsured people could not correctly identify…

  • Mapping Marketplace Enrollment

    Interactive

    This interactive zip code tool and map displays enrollment in the Health Insurance Marketplaces as a share of the potential market in small geographic areas across the country.

  • Test your knowledge of health insurance

    Health Insurance Quiz

    Feature

    What is a health insurance premium? Can you describe what an annual health insurance deductible is? Take this 10-question quiz and learn how health insurance literate you are compared to a survey of Americans who were asked the same questions. The language of health insurance can be complex and confusing, particularly for many long-time uninsured people enrolling in the new insurance marketplaces set up under the Affordable Care Act.

  • Data Note: Effect of State Decisions on State Risk Scores

    Issue Brief

    To gauge whether individual market risk pools are healthier in states that have expanded Medicaid and did not allow transitional plans, this data note compares average state risk scores using data from the Centers for Medicare & Medicaid Services Summary Report on Risk Adjustment for the 2015 benefit year. The analysis finds that states that expanded Medicaid and did not allow transitional plans had lower average risk scores, suggesting the risk pools in those state’s…