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Affordable Care Act

The ACA MarketplaceS

Tracking Insurer Changes in the ACA Marketplaces in 2027

As of June 22, six carriers have announced that they will exit the Marketplaces in plan year 2027, either in some or all states that they are currently offering plans; four carriers have announced they will enter new Marketplaces.

An image of text is an excerpt from Cynthia Cox's quick take which reads, "While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments — often in the double or even triple digits — with the expiration of enhanced tax credits."

ACA Marketplace Enrollment Is Down By 3 Million After Big Jump in Premium Payments

Enrollment dropped 13% following the expiration of enhanced premium tax credits at the beginning of this year. Enrollment fell from a high of 22.1 million people in 2025 to 19.2 million people in February 2026. While the Trump administration attributes this drop in enrollment to their attempts to address fraud, this coverage loss happened at the same time millions of people faced steep increases in their premium payments – often in the double or even triple digits – with the expiration of enhanced tax credits.

POLLING on the ACA

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.

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  •  In Employer Health Insurance Costs, Stability Is The New Normal

    News Release

    In his latest column for The Wall Street Journal’s Think Tank, Drew Altman looks at the sharply slower growth in premiums for employer health benefits and what it might mean for the future of employer-sponsored coverage. All previous columns by Drew Altman are available online.

  • More Insurers Are Participating in the ACA Marketplaces in 2019

    News Release

    Insurer participation in the Affordable Care Act’s health insurance marketplaces is rising in 2019, finds a new analysis from KFF (the Kaiser Family Foundation).The increase follows consecutive years of improving insurance company profits and shows up in several different ways: Going into 2019, 608 counties nationwide are gaining at least one insurer in the marketplace, while only five counties will lose an insurer. In 2019, roughly 17 percent of enrollees (living in 37 percent of…

  • Conversation on Health Care and the 2018 Midterm Elections

    Event Date:
    Event

    Health care ranks among the top issues voters want to hear candidates talk about on the campaign trail, with costs being the most concerning health issue for voters. Meanwhile, the constitutionality of the Affordable Care Act (ACA) continues to be challenged in the judicial system with the latest case potentially jeopardizing the law’s protections for people with pre-existing conditions. And in four states, ACA Medicaid expansion initiatives are on the ballot to newly expand or…

  • Health Insurer Financial Performance Through September 2020

    Issue Brief

    In this brief, we analyze third quarter data from 2018 to 2020 to examine how insurance markets performed financially through the end of September. Average margins remained relatively high compared to the same point in recent years, suggesting many insurers remained profitable even as non-COVID-related care returned in the summer and fall.

  • Medicaid Beneficiaries and Access to Care

    Fact Sheet

    The health reform law relies on a large expansion of Medicaid to reach many low-income uninsured people, many of them adults. This fact sheet summarizes Medicaid beneficiaries' experience in obtaining access to care, a subject that is of keen interest in view of the planned expansion of the program. Medicaid and the Children's Health Insurance Program have substantially increased coverage among low-income Americans, especially children. Research shows that Medicaid compares favorably with private coverage in…

  • Optimizing Medicaid Enrollment: Perspectives on Strengthening Medicaid’s Reach Under Health Care Reform

    Issue Brief

    The health reform law creates a national plan for near-universal health coverage that relies on a large expansion of Medicaid eligibility as its foundation. This brief draws on recent interviews with Medicaid program directors and other experts about the opportunities that health reform presents to optimize Medicaid by strengthening its enrollment and renewal operations and recasting it as an affordable health coverage program for working people and families. Executive Summary (.pdf) Issue Brief (.pdf)

  • Resources on Community Health Centers

    Fact Sheet

    The Kaiser Family Foundation has issued three new resources that examine the role of community health centers as key components of the U.S. health care system, providing primary care to more than 16 million patients nationwide in 2007. The documents, produced for the Kaiser Commission on Medicaid and the Uninsured, include a fact sheet on community health centers, an updated issue brief on their role in the health system and a report on how such…

  • Health Care Reform and the CLASS Act

    Issue Brief

    This issue brief examines the Community Living Assistance Services and Supports (CLASS) program, a component of the health reform law that establishes a national, voluntary insurance program for purchasing community living services and supports that is designed to expand options for people who become functionally disabled and require long-term help. This brief describes the major components of the CLASS program including its financing, eligibility criteria, benefit design and interaction with Medicaid. Issue Brief (.pdf)

  • State Budgets Under Federal Health Reform: The Extent and Causes of Variations in Estimated Impacts

    Issue Brief

    This analysis examines the potential costs and savings that the health reform law may generate for state budgets, a topic of great interest at a time when states continue to struggle with tight budgets in the wake of the recession. The analysis seeks to explain why recent state estimates of the likely impact of health reform on their budgets vary widely, and discusses the major expected sources of costs and savings as the new law…

  • Oral Histories: Report From a Dental Fair for Uninsured Adults

    Report

    This report profiles patients attending a dental fair in rural Virginia to highlight the impact of lack of coverage for oral health services on adults. Uninsured adults have vast oral care needs, and untreated dental problems can have serious health, employment and social consequences, highlighting the relationship between inadequate benefits and unmet health needs. Report (.pdf)