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Affordable Care Act

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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  • Kaiser Health Tracking Poll: November 2012

    Feature

    The November poll finds that while health care ranked as a second-tier issue in this month's election, President Obama and Republican nominee Mitt Romney tied among voters who felt strongly about the Affordable Care Act, and President Obama won an advantage among voters who said Medicare was important to their vote, and among women on…

  • Oral Health in the U.S.: Key Facts

    Fact Sheet

    This fact sheet provides data on oral health care coverage and access for children, nonelderly adults and Medicaid beneficiaries, including state-by-state data on measures such as the share of adults who have had a dental visit within the past year. Fact Sheet (.

  • Kaiser Health Tracking Poll — May 2012

    Feature

    The May Health Tracking Poll focuses on the public's perceptions and reactions to women's reproductive health reemerging as a heated issue in policy debates and news and its potential impact on the upcoming presidential election.

  • Kaiser Health Tracking Poll — December 2010

    Feature

    As 2010 draws to a close, the latest tracking poll shows the public still divided in their views of the health reform law, a sentiment largely unchanged since the law’s enactment in March.

  • Alternatives for Financing Medicaid Expansions in Health Reform

    Report

    Expanding Medicaid to cover low-income populations has been a fundamental component of leading health reform proposals. The House Leadership Bill would expand Medicaid to 150 percent of the federal poverty level and the Senate Leadership Bill would expand Medicaid to 133 percent of the federal poverty level.

  • Medicaid and Children’s Health Insurance Program Provisions in the New Health Reform Law

    Issue Brief

    This brief compares the Medicaid and Children's Health Insurance Program provisions in the new health reform law with pre-reform law governing those programs. The analysis focuses on Medicaid coverage and financing changes; how Medicaid and CHIP will interface with a new health insurance exchange and other Medicaid benefits and access changes.

  • Toplines: Kaiser Health Tracking Poll — July 2009

    Poll Finding

    This document contains the toplines from the July Health Tracking Poll. The survey was designed and analyzed by public opinion researchers at the Kaiser Family Foundation and was conducted July 7 through July 14, 2009, among a nationally representative random sample of 1,205 adults ages 18 and older.