Home Affordable Care Act Topics

Affordable Care Act

The ACA MarketplaceS

Individual Market Enrollment Declined by 18% Since June 2025

Individual Market Enrollment Fell 18%, Suggesting Continued ACA Marketplace Losses

Enrollment in the individual health insurance market fell by 18%—over 4.6 million people—from 25.2 million in June 2025 to 20.5 million in June 2026. Falling individual market enrollment suggests further decline in ACA Marketplace enrollment this year, since Marketplace enrollees represent the vast majority of individual market coverage.

About the ACA

Promotional image for KFF video How Affordable is the Affordable Care Act

Did the Affordable Care Act Make Health Care More Affordable?

The expiration of the ACA’s enhanced premium tax credits at the start of 2026, combined with rising insurer premiums, put a spotlight on health care affordability that extends beyond Marketplace enrollees. KFF’s Cynthia Cox examines the ACA’s record and the broader underlying question it raises: what’s a fair price for Americans people to pay for health care?

Latest News

More KFF Health News

Stay informed.

Get KFF's latest on the Affordable Care Act

Stay informed.

Get KFF's
latest on the Affordable
Care Act

View the Latest: Affordable Care Act

Filter

List Grid

2,361-2,370 of 2,796 results

  • 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…

  • Medicare for All is a Double-Edged Sword for Democrats

    From Drew Altman

    In an Axios column, Drew Altman analyzes the political pros and cons of Medicare for All and Medicare buy-in plans for Democrats, and how they may handle it in Congress and the presidential campaign.

  • 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…

  • How Many of the Uninsured Can Purchase a Marketplace Plan for Free?

    Issue Brief

    This analysis looks at how many of the remaining uninsured are eligible for premium subsidies that are large enough to cover the entire cost of a bronze plan, which is the minimum level of coverage available on the Marketplaces. It estimates 27% of uninsured individuals who could shop on the ACA Marketplace, or 4.2 million people nationwide, are eligible to purchase a bronze plan with $0 premiums after subsidies in 2019.

  • Analysis: Marketplace Plans Denied an Average of Nearly One in Five Claims in 2017 with Wide Variations across Insurers

    News Release

    Healthcare.gov marketplace insurers denied nearly one out of every five claims (19%) submitted for in-network services in 2017, and enrollees only appeal a tiny share (0.5%) of those denied claims, a KFF analysis of recently released claims data finds. The analysis finds a huge variation across insurers, with average denial rates as low as 1 percent and as high as 45 percent. Denial rates also vary across states, though individual insurers in the same state…

  • Health Care Spending is More Than Just the Parts You See

    From Drew Altman

    In this Axios column, Drew Altman looks at total family spending for health including taxes and health benefits, and why people need to understand it to assess proposals like Medicare-for-All.

  • Uwe Reinhardt’s New Book Priced Out: His Health Policy Ideas in Today’s Debates

    Event Date:
    Event

    Dr. Uwe Reinhardt is a giant in the health policy field who advised policymakers and influenced debates about the nation’s health system before his passing in 2017. His recently released last book, Priced Out: The Ethics and Economics of Health Care, completed by his wife and longtime collaborator Tsung-Mei (May) Cheng gives us the gift of further insights into the U.S. health system and many issues that the country is debating right now, ranging from health price…

  • Analysis: ‘Cadillac Tax’ on High-Cost Health Plans Could Affect 1 in 5 Employers in 2022

    News Release

    A new KFF analysis estimates that the Affordable Care Act’s tax on high-cost health plans would affect one in five (21%) employers offering health benefits when it takes effect in 2022 unless employers change their health plans. An even larger share (31%) could be affected when workers’ voluntary contributions to Flexible Spending Accounts are taken into account. The analysis comes as some in Congress are proposing to repeal the ACA’s tax on high-cost health plans,…