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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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  • Kaiser Health Tracking Poll – September 2017: What’s Next for Health Care?

    Feature

    This poll finds large majorities across all parties say reauthorizing funding for the Children's Health Insurance Program (CHIP) is an important priority for Congress; however, a larger share of Republicans also say it is important for Congress to work on repealing and replacing the Affordable Care Act (also known as Obamacare). This month's Kaiser Health Tracking Poll also examines public support for a variety of competing health care policies aimed at improving or replacing the…

  • State-by-State Estimates of Changes in Federal Spending on Health Care Under the Graham-Cassidy Bill

    Issue Brief

    A new health care bill recently introduced by a number of senators led by Senators Lindsey Graham and Bill Cassidy would repeal major elements of the Affordable Care Act (ACA), make changes to other ACA provisions, and fundamentally alter federal Medicaid financing. In this brief, we estimate changes in federal funding due to the new block grant program and the Medicaid per enrollee cap on a state-by-state basis under the Graham-Cassidy bill relative to current…

  • Public Ranks Children’s Health Insurance, Marketplace Stabilization Higher Priorities than ACA Repeal

    News Release

    Majorities Support Buy-In Ideas for Medicaid and Medicare Among health priorities facing urgent deadlines in Washington in September, the public ranks repeal of the Affordable Care Act lower than reauthorizing funding for the Children’s Health Insurance Program (CHIP) and stabilizing individual health insurance marketplaces established by the ACA, the Kaiser Family Foundation’s new tracking poll finds. About seven in 10 Americans -- and majorities across parties -- say it’s “extremely” or “very” important to reauthorize…

  • Poll: Ahead of House Tax Reform Vote, Americans are More Likely to Rank Children’s Health Care, Hurricane Relief and Other Issues as Top Priorities for Washington

    News Release

    Most of the Public Initially Favors Getting Rid of the ACA’s Individual Mandate As Part of Tax Reform, But Some Become Opponents When Presented with Facts and Arguments for Keeping the Mandate As the House prepares to vote Thursday on its tax reform bill, a new Kaiser Family Foundation poll finds almost three in 10 Americans (28%) view tax reform as a top priority for President Trump and Congress. That’s significantly fewer than the share…

  • Early Analysis of 21 Major Cities Tracks ACA Marketplace Premium Changes, Insurer Participation, Uncertainty

    News Release

    As insurers grapple with continuing uncertainty surrounding 2018 Affordable Care Act (ACA) marketplaces, a new Kaiser Family Foundation analysis of initial filings in 21 major cities finds that changes in 2018 benchmark silver plan premiums are likely to range widely, from a decrease of 5 percent in Providence, R.I., to an increase of 49 percent in Wilmington, Del., without factoring in tax credits. However, the analysis finds that preliminary rates will likely change, and some…

  • Coverage of Contraceptive Services: A Review of Health Insurance Plans in Five States

    Report

    The Patient Protection and Affordable Care Act (ACA) requires most private plans to provide coverage for women’s preventive health care, including all prescribed FDA-approved contraceptive services, without cost sharing. To better understand how this provision is being implemented by health plans, Kaiser Family Foundation (KFF) staff, with the Lewin Group, reviewed the insurance plan coverage policies for 12 prescribed contraceptive methods (excluding oral contraceptives). This report presents information from 20 different insurance carriers in five…

  • The Pennsylvania Health Care Landscape

    Fact Sheet

    The Affordable Care Act (ACA) went into full effect on January 1, 2014, ushering in health insurance reforms and new health coverage options in Pennsylvania and elsewhere across the country. Pennsylvania is experiencing changes to its health care delivery system as the state expands Medicaid, provides new coverage options through the federal health insurance marketplace, streamlines application and enrollment processes for coverage programs, and implements new health care delivery system and payment reforms. This fact…

  • The Coverage Provisions in the Affordable Care Act: An Update

    Issue Brief

    This brief examines the coverage provisions of the Affordable Care Act , providing an update on how they have been implemented and assessing their impact five years after the law's enactment. It also discusses key issues for coverage going forward.

  • Medicaid Moving Forward

    Issue Brief

    Medicaid is the nation’s main public health insurance program for people with low incomes, and it is the single largest source of health coverage in the U.S., covering nearly 70 million Americans. Medicaid also finances 16% of total personal health spending in the nation. States design and administer their own Medicaid programs within federal requirements, and states and the federal government finance the program jointly. As a major payer, Medicaid is a core source of…