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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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  • Poll: Most Americans Say President Trump is Intervening with the FDA’s and CDC’s Coronavirus Work, But Trust the Agencies at Least a Fair Amount to Do the Right Thing

    News Release

    As COVID-19 cases rise across much of the country, most Americans think that the president is intervening with the public health agencies working to address the pandemic, the latest KFF Health Tracking Poll finds. Similar majorities say both that President Trump is intervening with the Food and Drug Administration’s efforts to review and approve a coronavirus vaccine (55%) and that he is in intervening with the Centers for Disease Control and Prevention’s efforts to issue coronavirus guidelines…

  • 2021 Premium Changes on ACA Exchanges and the Impact of COVID-19 on Rates

    Issue Brief

    This brief summarizes premium rate filings in all 50 states and the District of Columbia and finds the majority of rate changes for 2021 are moderate, with increases or decrease of a few percentage points. Insurers say the COVID-19 pandemic is putting both upward and downward pressure on health costs in 2021.

  • Medicaid Covers People with Pre-Existing Conditions, Too

    Policy Watch

    In recent weeks, the possible overturning of the Affordable Care Act (ACA) in court and the upcoming election have focused attention on the issue of protections for people with pre-existing conditions. While the focus has been on the ACA’s private insurance protections, Medicaid also plays a significant role in covering people with pre-existing conditions.

  • Tracking Public Opinion on National Health Plan: Interactive

    Interactive

    This interactive allows users to track public opinion on a national health plan using all nationally representatives polls conducted since 2016, with further analysis of how favorability toward such a plan may differ based on political party identification and question wording.

  • Public Opinion on Single-Payer, National Health Plans, and Expanding Access to Medicare Coverage

    Feature

    PublicOpinionSinglePayerKFF Download For many years, Kaiser Family Foundation has been tracking public opinion on the idea of a national health plan (including language referring to Medicare-for-all since 2017). Historically, our polls have shown support for the federal government doing more to help provide health insurance for more Americans, though support among Republicans has decreased over time (Figure 1). But this never translated into majority support for a national health plan in which all Americans would…

  • KFF Health Tracking Poll – October 2020: The Future of the ACA and Biden’s Advantage On Health Care

    Report

    The poll examines the public's views on the Supreme Court case to overturn the Affordable Care Act and its protections for people with pre-existing conditions. Less than a month from the results of the 2020 presidential election, this poll examines the top issues for voters (the economy, the coronavirus pandemic, health care, criminal justice and policing, among others) as well as which candidate, Biden or Trump, they think has the better approach to handle key…

  • Tracking Poll: A Large and Growing Majority, Including Republicans, Does Not Want the Supreme Court to Overturn the ACA’s Protections for People with Pre-Existing Conditions

    News Release

    As the Senate considers Judge Amy Coney Barrett’s nomination to the Supreme Court, the October KFF Health Tracking Poll finds a large majority (79%) of the public do not want the Court to overturn the Affordable Care Act’s protections for people with pre-existing medical conditions, up 17 percentage points since last year when 62% held this view. The Supreme Court is scheduled to hear arguments a week after Election Day in a challenge to the…

  • The 2020 Presidential Election: Implications for Women’s Health

    Issue Brief

    This brief and side-by-side tables reviews the key health issues that are likely to have a direct impact on women’s health as well as their access to coverage and care, and summarizes the presidential candidates’ stated positions and records on these issues.

  • A Reconfigured U.S. Supreme Court: Implications for Health Policy

    Issue Brief

    U.S. Supreme Court decisions shape health policy in important ways. The nomination of Judge Amy Coney Barrett, if confirmed, is expected to establish a solid 6:3 conservative majority that could affect case outcomes in several areas. This issue brief considers the potential implications of a reconfigured Court for health policy issues, including those already on the Court’s docket for the coming term and those that the Court may choose to consider in this term or…