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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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  • Marketplace Enrollees with Unpredictable Incomes Could Face Bigger Penalties Under House Reconciliation Bill Provision

    Issue Brief

    This analysis illustrates how provisions included in the House budget reconciliation bill could expose Marketplace enrollees with unpredictable incomes to higher penalties when filing taxes if they underestimate their incomes. About one in four potential Marketplace shoppers had incomes that varied at least 20 percent from the beginning to the end of the year.

  • On Medicaid Expansion, History Matters

    From Drew Altman

    In his latest column, KFF President and CEO Drew Altman discusses the history of the battles over the ACA’s provisions that were designed to expand coverage for the uninsured, which helps explain the effort to cut federal funding for the Medicaid expansion today. The real underlying issues, he says, are the same divisions that have always plagued the debate about covering the uninsured.

  • Responding to Federal Medicaid Reductions: Which States Are Most at Risk?

    Issue Brief

    A new KFF analysis examines a range of measures that may make it harder for states to respond to possible federal Medicaid cuts and finds that six states (Kentucky, Mississippi, Missouri, New Mexico, South Carolina, and West Virginia) rank in the top five for multiple risk categories. Across four broad categories of measures that could affect demand for Medicaid and states’ abilities to raise revenue or reduce spending—population demographic characteristics, health status of Medicaid enrollees,…

  • Most of the Public Oppose Major Federal Cuts to Health Agencies and Programs and Say They Have Been Made “Recklessly”

    News Release

    As the Trump administration and Congress pursue broad cuts to federal health agencies and budgets, most of the public, including some Republicans, oppose deep budget and staffing cuts to federal health programs and agencies, a new KFF Health Tracking Poll finds. Across a range of questions, large majorities of Democrats and independents oppose the Trump administration’s major cuts to federal health agencies and programs, while Republicans are more supportive. Those who identify with President Trump’s…

  • 5 Key Facts About Medicaid Expansion

    Issue Brief

    This issue brief examines Medicaid expansion enrollment and Medicaid spending in expansion and non-expansion states and describes the characteristics of adults covered by the Medicaid expansion.

  • The Debate About Enhanced Premium Tax Credits Begins to Emerge (Finally)

    From Drew Altman

    In his latest column, president and CEO Drew Altman discusses why debate about extending the ACA enhanced tax credits set to expire this year has been slow to develop, and why it could matter to Republicans politically if the tax credits are not extended.

  • The Rubber is About to Hit the Road on Medicaid Cuts

    Quick Insights

    Once Republicans in Congress get specific about Medicaid cuts, it will become more tangible and clearer who will be affected. Changes to the status quo in health care rarely get more popular when the details get filled in.

  • ACA Marketplace Enrollment Has More Than Doubled Since 2020, with the Fastest Growth Occurring in States Won by President Trump in 2024

    News Release

    Enrollment in Affordable Care Act (ACA) Marketplace health plans reached a record 24.3 million people, more than double the total in 2020, with most of the growth occurring in states won by President Trump in the 2024 election, a new KFF analysis finds.  Almost all states have seen increases in enrollment since 2020, including six states where enrollment has more than tripled: Texas (up 255%), Mississippi (up 242%), West Virginia (up 234%), Louisiana (up 234%),…