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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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  • Summary of HHS’s Final Rule on Nondiscrimination in Health Programs and Activities

    Issue Brief

    On May 18, 2016, the Department of Health and Human Services (HHS) published a final rule to implement Section 1557 of the Affordable Care Act (ACA), which prohibits discrimination in health coverage and care based on race, color, national origin, age or disability, and, for the first time sex. This Issue Brief provides a technical summary of Section 1557 and the final rule and highlights new protections and provisions included in the law and rule.…

  • Pre-Existing Condition Prevalence for Individuals and Families

    Issue Brief

    This analysis estimates that almost 54 million people – or 27% of all adults under 65 —have pre-existing health conditions that would likely have made them uninsurable in the individual markets that existed in most states before the Affordable Care Act. Almost half (45%) of non-elderly families include at least one adult with such a pre-existing condition. The analysis also includes estimates by age, state and gender.

  • The Democratic Debates Suffer from a Nasty Case of Plan-itis

    From Drew Altman

    In The Washington Post op-ed “The Democratic Debates Suffer from a Nasty Case of Plan-itis,” Drew Altman says the primary debates are not serving voters well by focusing on details of candidates' health care plans rather than the fundamental differences between them.

  • The Silent Affordability Crisis Facing Sick People

    From Drew Altman

    In this Axios column, Drew Altman shows that employer coverage for lower wage workers is much worse than ACA marketplace coverage for similar populations. It’s a bigger problem we need to talk about more, he says.

  • Poll: Most Americans Don’t Realize How Dramatically the Medicare-for-all Proposals Would Revamp the Nation’s Health Care System

    News Release

    As Congress and the Democratic presidential candidates continue to discuss Medicare-for-all and other proposals to expand public health coverage, most Americans know little about how the leading Medicare-for-all proposals would reshape the way all Americans get and pay for health care. This month’s KFF Health Tracking Poll probes the public’s awareness of key elements of proposals to create a national health plan, including the leading Medicare-for-all bills introduced by Sen. Bernie Sanders and Rep. Pramila…

  • Medicaid Expansion, Health Coverage, and Spending: An Update for the 21 States That Have Not Expanded Eligibility

    Issue Brief

    Ever since the Supreme Court ruled in June 2012 that states could effectively choose whether or not to accept the Affordable Care Act’s expansion of Medicaid eligibility, that choice has been one of the most prominent and often one of the most contentious issues for states. In this report, we provide new projections of the impact of Medicaid expansion on health coverage, Medicaid enrollment, and costs in states that have not expanded Medicaid.

  • Americans’ Health Priorities Diverge From Washington’s Focus on Obamacare

    From Drew Altman

    In this column for The Wall Street Journal's Think Tank, Drew Altman finds the public’s healthcare priorities have more to do with drug costs and other real world issues people deal with using the health care system than the ongoing partisan wrangling over the Affordable Care Act (ACA).

  • Bipartisan Majorities Support Trump Administration’s Push to Get Drug Prices in Advertisements, Even after Hearing Counter-Arguments

    News Release

    Only 1 in 4 Potential Marketplace Customers Know When ACA Open Enrollment Ends; 1 in 5 Say They Would Buy a Short-Term Plan A large majority of the public backs the Trump Administration’s initiative to require prescription drug advertisements to include information about prices, but fewer support other administrative actions involving pre-existing conditions and contraception coverage, the latest KFF Health Tracking Poll finds. Requiring drugmakers to include price information in their advertisements is a widely…

  • “Partial” Medicaid Expansions Could Limit States’ Spending But Cover Fewer People at a Higher Federal Cost Compared to Traditional ACA Expansions

    News Release

    If states were able to receive enhanced Affordable Care Act matching funds for “partial” expansions of Medicaid, fewer people would get health coverage and the federal government would spend more, compared to a traditional expansion under the law, KFF explains in a new brief. The explainer describes how a partial expansion would differ from a traditional ACA Medicaid expansion and summarizes some of the expected effects. It also documents which states have sought federal approval…

  • The Health Care Priorities and Experiences of California Residents

    Report

    This survey by the Kaiser Family Foundation and California Health Care Foundation gauges California residents’ views on health care priorities facing the state’s new governor and legislature, including health care affordability, access to care, mental health and substance use treatment, and provider shortages. It also highlights Californians’ experiences in the health care system, as well as views on the Affordable Care Act, Covered California, Medi-Cal, and proposals to advance a single-payer health insurance system in…