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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.”

new and noteworthy
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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  • Mapping Marketplace Enrollment

    Interactive

    This interactive zip code tool and map displays enrollment in the Health Insurance Marketplaces as a share of the potential market in small geographic areas across the country.

  • Key Findings on Medicaid Managed Care: Highlights from the Medicaid Managed Care Market Tracker

    Report

    This report highlights 10 key findings on the Medicaid managed care market, based on analysis of data included in the Kaiser Family Foundation's Medicaid Managed Care Market Tracker. The findings provide a partial profile of the Medicaid MCO market nationally and by state. They also illuminate the involvement of large, multi-state health insurance companies in the Medicaid market and the participation of these firms in other markets as well, including the managed long-term services and supports market, the new ACA marketplaces, and the Medicare Advantage market. Finally, these selected highlights serve to illustrate the array of ways the Tracker can be used to understand more about the Medicaid managed care market and its place in the broader market.

  • Assessing the Performance of the U.S. Health System

    Issue Brief

    Health spending growth has consistently outpaced U.S. economic growth and is higher than medical spending in other wealthy countries. Despite spending more, the United States doesn't have better health outcome in terms of life expectancy, mortality rates and other measures. This brief provides an overview of trends in health costs and the performance of the U.S. health system, including comparisons to countries from the Organisation for Economic Co-operation and Development (OECD). The brief charts growth in the nation's per capita health spending along with the recent slowdown, touching on the roles of expanded Medicaid eligibility, increases in Medicare beneficiaries and the Affordable Care Act (ACA). Additionally, it discusses the health system's effectiveness and capacity to provide services, including the accessibility and affordability of care.

  • El seguro de salud, explicado: ¡los YouToons lo tienen cubierto!

    Video

    El seguro de salud, explicado: ¡los YouToons lo tienen cubierto! desglosa conceptos de seguros como primas, deducibles y redes de proveedores.  Explica cómo las personas pagan por su cobertura y cómo obtener cuidado médico y medicamentos recetados con distintos tipos de seguros de salud, incluyendo HMOs y PPOs.

  • New Rules for Section 1332 Waivers: Changes and Implications

    Issue Brief

    On October 22, 2018, the Trump administration released new guidance on Section 1332 waivers established by the Affordable Care Act (ACA). The new guidance may encourage states to use 1332 waiver authority to make broader changes to insurance coverage for their residents, including to promote the sale of, and apply subsidies to, ACA non-compliant policies. On November 29, 2018, the Centers for Medicare and Medicaid Services (CMS) released a discussion paper outlining a set of waiver concepts designed to provide states with a roadmap for developing waiver applications that use the flexibility granted under the new guidance. This issue brief describes the new guidance, highlighting key changes from the 2015 guidance, describes how state waiver activity may change, particularly in light of the waiver concepts put forward by CMS, and discusses possible implications of the changes.

  • The ACA Ruling Shows How the Times Have Changed on Health Care

    From Drew Altman

    In this Axios column about the Texas court decision, Drew Altman shows that many provisions of the Affordable Care Act are even more popular than protections for pre-existing conditions, the issue which put Republicans on the defensive and helped Democrats in the midterm elections.

  • Abortion Coverage in the ACA Marketplace Plans: The Impact of Proposed Rules for Consumers, Insurers and Regulators

    Issue Brief

    On November 7, 2018, a day after the 2018 midterm elections, the Trump Administration issued a proposed regulation to address “Exchange Program Integrity.” A major element of this proposed rule would affect insurers, consumers, and state insurance regulators in the states that either allow or require abortion coverage. The Affordable Care Act (ACA) allows states to ban plans from offering abortion as a benefit on their Qualified Health Plans (QHPs) and requires plans that cover abortion to segregate policyholder payments for abortion coverage from all other premium charges. This brief provides an overview of current ACA-related abortion coverage policies and analyzes the potential impact of the proposed changes.