Enrollment in ACA Exchanges has Exploded in Recent Years

In states that currently have not expanded Medicaid, Marketplace enrollment grew 188% from 2020 to 2025, compared with the 65% growth in expansion states. In states where uninsured rates for children and adults under 65 were at least 10% in 2019, ACA Marketplace enrollment increased by 168% since 2020, whereas states with lower uninsured rates saw enrollment grow by 50%.  ARTICLE