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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

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  • How Will the Uninsured in Rhode Island Fare Under the Affordable Care Act?

    Fact Sheet

    This state report explains how the ACA expands coverage in Rhode Island, including a breakdown of how many uninsured people are eligible for Medicaid, how many are eligible for financial assistance to help them buy private insurance in the new Marketplace and how many will not receive any financial assistance at all. The report also details, in specific dollar figures, the income levels at which people in Rhode Island are eligible for Medicaid or financial assistance in the Marketplace. For states not expanding Medicaid, the report quantifies how many uninsured people fall into the “coverage gap,” meaning they will be ineligible for financial assistance in the Marketplace or for Medicaid in their state despite having an income below the federal poverty level.

  • Medicare Advantage Hospital Networks: How Much Do They Vary?

    Report

    This report takes an in-depth look at Medicare Advantage plans’ hospital networks. The analysis draws upon data from 409 Medicare Advantage plans serving beneficiaries in 20 diverse counties that together accounted for about one in seven (14%) Medicare Advantage enrollees nationwide in 2015. The report examines the size and composition of plans’ hospital networks, the variation across counties, the inclusion of Academic Medical Centers and NCI-Designated Cancer Centers, and the relationship between network size and other plan features, including premiums, quality star ratings, per capita Medicare spending, parent organization, and plan tax status.

  • Health Policy in 2020 Will Be Made in the States

    From Drew Altman

    With a questionable outlook for 2020 passage of legislation on prescription drug pricing and surprise medical bills, Drew Altman says the real action to watch in health policy is likely to be in the states.

  • Medicaid: What to Watch in 2020

    Issue Brief

    Medicaid, the provider of health insurance coverage for about one in five Americans and the largest payer for long-term care services in the community and nursing homes, continues to be a key part of health policy debates at the federal and state level. Key Medicaid issues to watch in 2020 include: Medicaid expansion developments; Section 1115 waiver activity; enrollment and spending trends; benefits, payment and delivery system reforms, and the implications of the 2020 elections.

  • Health and Access to Care and Coverage for Lesbian, Gay, Bisexual, and Transgender (LGBT) Individuals in the U.S.

    Issue Brief

    Lesbian, gay, bisexual, and transgender (LGBT) individuals often face challenges and barriers to accessing needed health services and, as a result, can experience worse health outcomes. These challenges can include stigma, discrimination, violence, and rejection by families and communities, as well as other barriers, such as inequality in the workplace and health insurance sectors, the provision of substandard care, and outright denial of care because of an individual’s sexual orientation or gender identity. This issue brief examines population characteristics of the LGBT community and the impacts of the Affordable Care Act (ACA), Supreme Court rulings and other policy changes related to same-sex marriage that can insurance coverage and access to health care services, and recent actions by the Trump Administration.