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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

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  • Soy un adulto joven, recién independizado de mis padres, y nunca antes había presentado mi propia declaración de impuestos federal. ¿Puedo solicitar subsidios para las primas este año? ¿Eso generará alg...

    FAQs

    Sí, puede solicitar créditos fiscales para las primas este año. Un desafío que puede enfrentar es verificar sus ingresos. El mercado de seguros verifica los ingresos estimados de un solicitante en tiempo real durante el proceso de solicitud, utilizando datos del IRS de declaraciones de impuestos federales recientes y, a veces, otras fuentes de datos.

  • Health Care Access and Coverage for the Lesbian, Gay, Bisexual, and Transgender (LGBT) Community in the United States: Opportunities and Challenges in a New Era

    Perspective

    This Policy Insight looks at the challenges and questions surrounding recent policy changes that are expected to increase health insurance coverage and access to care for lesbian, gay, bisexual and transgender (LGBT) individuals and their families, including the impact of the Affordable Care Act (ACA) and the Supreme Court's DOMA decision.

  • Sizing Up Exchange Market Competition

    Issue Brief

    This issue brief offers an early look into how competitive the health insurance exchanges (also called marketplaces) are under the Affordable Care Act in selected states. Through analysis of enrollment data released by seven states (California, Connecticut, Minnesota, New York, Nevada, Rhode Island, and Washington) this brief finds that exchange markets in California and New York are shaping up to be more competitive than their individual markets were in 2012 while those of Connecticut and Washington show less competition (less even market share distribution). In several states, market concentration of individual insurers have shifted significantly compared to the individual market prior to the ACA, pointing to the potential for greater price competition in the future and the influence of new entrants to the market.

  • Webinar for Journalists: Researching Consumer Stories, Finding New Ideas & Securing Real-World Examples

    Event Date:
    Event

    Featuring Kaiser Health News Staff Writer Sarah Varney and “Insuring Your Health” columnist Michelle Andrews, this webinar will discuss approaches to covering this complex story by incorporating individual examples; provide tips and techniques for digging into the details of the law (with expert help) to describe how its provisions play out in real life; and suggest new angles and under-reported story ideas. Additionally, they will identify upcoming policy deadlines and timelines, and explore how to weave these into your stories over the next several months. After a brief presentation, both presenters will answer questions.

  • Webinar for Journalists: How the Affordable Care Act Affects Baby Boomers and Medicare Beneficiaries

    Event Date:
    Event

    As part of the "Covering Health Reform" series, this webinar focused on the major changes facing older people. The Foundation's Associate Director of the Program on Medicare Policy, Juliette Cubanski and Senior Fellow Karen Pollitz discussed how the Affordable Care Act impacts Medicare benefits and beneficiaries, as well as the ACA's role for baby boomers who are not yet 65 and eligible for Medicare.

  • Kaiser Health Tracking Poll: November 2013

    Feature

    Amid heavy news coverage of problems with the Affordable Care Act's rollout, the November Kaiser Health Tracking Poll finds a significant negative shift in the public's views of the law, with roughly half now holding an unfavorable view and just a third holding a positive one.

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

    Fact Sheet

    This state report explains how the ACA expands coverage in Ohio, 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 Ohio 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.

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

    Fact Sheet

    This state report explains how the ACA expands coverage in Arizona, 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 Arizona 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.