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.
Affordable Care Act
The ACA Marketplace
KFF Poll: Health Care Costs, Expiring ACA Tax Credits, and the 2026 Midterms
Two thirds of public say Congress "did the wrong thing" by not extending ACA enhanced tax credits, but Republicans largely say Congress “did the right thing.” Heading into this midterm election year, the cost of health care tops the public’s economic anxieties and more than 4 in 10 voters say the issue will have a major impact on their vote, a KFF Health Tracking poll finds.
new and noteworthy
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.
Timely insights and analysis from KFF staff
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Why Might Republicans Consider Extending Obamacare Tax Credits?
KFF Vice President Cynthia Cox takes a broader look at the expiring enhanced tax credits, which Congressional Democrats have made central to their government funding demands, and how they lower health costs for many traditionally Republican constituencies, such as people in southern states, small business owners and employees, farmers and ranchers, older adults, and rural… ... more
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2024 Uninsured Rate Held Steady, as ACA Marketplace Enrollment Offset Medicaid Declines
The ACA enhanced premium tax credit has driven growth in Marketplace enrollment and offset declines in Medicaid coverage, holding 2024's 8% uninsured rate at its near-historic low, according to new Census Bureau data. ... more
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About 17 Million More People Could be Uninsured due to the Big Beautiful Bill and other Policy Changes
In total, due to the One Big Beautiful Bill Act and other policy changes, the number of people without health insurance is expected to increase by about 17 million. If all of this comes to pass, it would represent the biggest roll back of health insurance coverage ever due to federal policy changes. ... more
Cynthia Cox 
Jennifer Tolbert
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