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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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  • At CMS, the Mission Is Broader Than Medicare and Medicaid

    News Release

    In his latest column for The Wall Street Journal's Think Tank, Drew Altman discusses whether the Centers for Medicare and Medicaid Services' broad new responsibilities implementing the Affordable Care Act and a more proactive approach to Medicare payment signals that it’s time for (another) name change. All previous columns by Drew Altman are available online.

  • A Look at the Private Option in Arkansas

    Issue Brief

    Based on stakeholder interviews and early data on coverage, reduced uncompensated care costs, and other topics, this issue brief provides an initial look at implementation of Arkansas' Section 1115 Medicaid expansion demonstration waiver to require most adults newly eligible for Medicaid through the Affordable Care Act's Medicaid expansion to enroll in Marketplace plans.

  • How Many Employers Could be Affected by the Cadillac Plan Tax?

    Issue Brief

    As fall approaches, we can expect to hear more about how employers are adapting their health plans for 2016 open enrollments. One topic likely to garner a good deal of attention is how the Affordable Care Act’s high cost plan tax (HCPT), sometimes called the “Cadillac plan” tax or "Cadillac tax," is affecting employer decisions about their health benefits. The tax takes effect in 2018. The potential of facing an HCPT assessment as soon as…

  • The California Health Care Landscape

    Fact Sheet

    This fact sheet provides an overview of population health, health coverage, and the health care delivery system in California in the era of health reform.

  • New Analysis Shows States with Medicaid Expansion Experienced Declines in Uninsured Hospital Discharges

    Issue Brief

    Expanded health insurance coverage through the Affordable Care Act (ACA) is having a major impact on hospital payer mix across the country. Similar to other reports recently released, new data examining hospital discharges in 16 states with data through the second quarter in 2014 show increases in Medicaid and declines in uninsured or self-pay discharges in states that implemented the Medicaid expansion. These trends hold true for all hospital discharges as well as for specific…

  • Employer Family Health Premiums Rise 4 Percent to $17,545 in 2015, Extending a Decade-Long Trend of Relatively Moderate Increases

    News Release

    Since 2010, Deductibles for All Workers Have Risen Almost Three Times as Fast as Premiums and About Seven Times as Fast as Wages and Inflation Facing New Requirements, Few Employers Make Changes to Workers' Hours Menlo Park, Calif. – Single and family premiums for employer-sponsored health insurance rose an average of 4 percent this year, continuing a decade-long period of moderate growth, according to the Kaiser Family Foundation/Health Research & Educational Trust (HRET) 2015 Employer Health Benefits…

  • Eligibility for ACA Health Coverage Following Job Loss

    Issue Brief

    As unemployment claims skyrocket amid the coronavirus (COVID-19) crisis, this analysis examines the potential loss of job-based coverage among people in families where someone lost employment between March 1 and May 2 and estimate their eligibility for ACA coverage as of May and January 2021, when most will have exhausted their unemployment benefits.

  • As Unemployment Skyrockets, KFF Estimates More than 20 Million People Losing Job-Based Health Coverage Will Become Eligible for ACA Coverage through Medicaid or Marketplace Tax Credits

    News Release

    Coverage Losses Will Affect At Least a Million Residents in Each of Eight States: California, Texas, Pennsylvania, New York, Georgia, Florida, Michigan and Ohio With more than 31 million workers filing unemployment claims between March 1 and May 2 as the coronavirus crisis hit the nation’s economy, a new KFF analysis estimates 26.8 million people across the country would become uninsured due to loss of job-based health coverage if they don't sign up for other…

  • KFF Health Tracking Poll – May 2020

    Report

    This poll examines people's views on the coronavirus (COVID-19) outbreak as many states begin to re-open their states and the economy, including their expectations, experiences and attitudes about the government responses heading into Summer 2020. It also assesses voters' views ahead of the presidential election in November.