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?

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  • 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.

  • Health Center Patient Trends, Enrollment Activities, and Service Capacity: Recent Experience in Medicaid Expansion and Non-Expansion States

    Issue Brief

    In thousands of medically underserved communities across the U.S., community health centers enroll low-income people in health coverage and provide care to millions of patients. Against the backdrop of significant health center expansion over several years and a full year of expanded health coverage under the Affordable Care Act (ACA), this brief examines change between 2013 and 2014 in the volume and health coverage profile of health center patients, and health center enrollment activities and…

  • Medicare Advantage Hospital Networks: How Much Do They Vary?

    Report

    This report takes an in-depth look at Medicare Advantage plans’ hospital networks. The analysis draws upon data from 409 Medicare Advantage plans serving beneficiaries in 20 diverse counties that together accounted for about one in seven (14%) Medicare Advantage enrollees nationwide in 2015. The report examines the size and composition of plans’ hospital networks, the variation across counties, the inclusion of Academic Medical Centers and NCI-Designated Cancer Centers, and the relationship between network size and…

  • The ACA and People with HIV: An Update

    Issue Brief

    This report provides a second look at how the Affordable Care Act (ACA) is impacting people with HIV two years into these new coverage opportunities, based on focus groups conducted with HIV positive individuals from five states in early 2016, after the third round of open enrollment. Groups were conducted with HIV positive individuals who gained insurance coverage – through either the Marketplaces or Medicaid expansion- in California and New York and with those who…

  • State-by-State Estimates of Changes in Federal Spending on Health Care Under the Graham-Cassidy Bill

    Issue Brief

    A new health care bill recently introduced by a number of senators led by Senators Lindsey Graham and Bill Cassidy would repeal major elements of the Affordable Care Act (ACA), make changes to other ACA provisions, and fundamentally alter federal Medicaid financing. In this brief, we estimate changes in federal funding due to the new block grant program and the Medicaid per enrollee cap on a state-by-state basis under the Graham-Cassidy bill relative to current…

  • “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…

  • How Affordable are 2019 ACA Premiums for Middle-Income People?

    Issue Brief

    This analysis finds that Affordable Care Act marketplace premiums are least affordable for older adults who earn too much to qualify for federal subsidies, especially those living in rural areas where premiums are highest. The analysis also discusses a variety of state and federal proposals that seek to lower premiums for middle-class people buying their own insurance who are ineligible for ACA subsidies.

  • State Exchange Profiles: Virginia

    Other Post

    Final update made on July 12, 2013 (no further updates will be made) Establishing the Exchange On December 14, 2012, Governor Bob McDonnell (R) informed federal officials that Virginia would not continue to plan for a state-based health insurance exchange.1  Prior to the decision, Governor McDonnell had signed HB 2434 into law declaring the state’s intent to establish a state-based health insurance exchange.2  The legislation was based on a recommendation by the Virginia Health Reform Initiative Advisory…