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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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  • Tracking the Role of Health Care in the 2020 Election: What Do The Polls Tell Us

    Perspective

    In this February 2020 post for The JAMA Health Forum, Mollyann Brodie and Ashley Kirzinger examine the role health care has played in the primary election to date, what the polling data says about the issue, including Medicare-for-all and a public option, and what to expect from the issue during the rest of the 2020 election campaign.

  • Questions about Prescription Drug Importation? KFF Has Answers

    News Release

    With lowering prescription drug costs a top priority for Americans, the Trump Administration, presidential candidates, members of Congress, and several states are proposing to allow the importation of drugs from abroad, chiefly Canada.

  • How Pending Health-Related Lawsuits Could be Impacted by the Incoming Trump Administration

    Issue Brief

    This brief provides an overview of current lawsuits in health policy including preventive services, abortion care, gender affirming care, Medicare drug price negotiations, nursing home staffing rules, private coverage consumer protections, and protections and health coverage for Deferred Action for Childhood Arrivals (DACA) recipients; how they may be affected by the incoming Trump administration; and the implications of their potential outcomes.

  • ACA Preventive Services at the Supreme Court

    Quick Take

    If the Court rules in favor of Braidwood, private health insurers would no longer be required to cover, without cost sharing, certain preventive services recommended by USPTF after 2010 when the ACA was enacted.

  • KFF Health Tracking Poll: Public Weighs Health Care Spending and Other Priorities for Incoming Administration

    Feature

    With the incoming Trump administration and Republican-led Congress looking to ways to reduce federal spending, this Poll finds that the Medicare and Medicaid programs remain broadly popular, and more people favor more spending on those programs than less spending. Among potential actions on health, the public sees price transparency and limiting chemicals in food as top priorities. Few say so about cuts to Medicaid and restrictions on abortion.

  • Pending Changes to Marketplace Plans Could Increase Cost Sharing for Consumers

    Policy Watch

    This brief looks at changes to Marketplace plans recently finalized by the Centers for Medicare and Medicaid Services (CMS) that may incentivize insurers to make their plans less generous. With less generous plans, consumers could face higher out-of-pocket costs, though those who don't qualify for premium tax credits could see lower premiums.

  • Contraception X Article: Out-of-Pocket Spending for Oral Contraceptives Among Women with Private Insurance Coverage After the Affordable Care Act

    Issue Brief

    In an article for Contraception X, KFF's Brittni Frederiksen, Matthew Rae, and Alina Salganicoff examine large employer plans to identify which types and brands of oral contraceptive pills have the largest shares of oral contraceptive users with out-of-pocket spending and which oral contraceptives have the highest average annual out-of-pocket costs after the ACA covered contraception under it's preventive services provisions.

  • Health Care and the 2020 Presidential Election

    Feature

    This side-by-side comparison examines President Trump’s record and former Vice President Biden’s positions across a wide range of key health issues, including the response to the pandemic, the Affordable Care Act marketplace, Medicaid, Medicare, drug prices, reproductive health, mental health and opioids, immigration and health coverage, and health care costs.