How Has ACA Marketplace Enrollment Changed Across States in 2026? Authors: Justin Lo, Matt McGough, and Cynthia Cox Published: Jul 28, 2026

https://www.kff.org/affordable-care-act/how-has-aca-marketplace-enrollment-changed-across-states-in-2026/ Following several years of rapid enrollment growth in the Affordable Care Act (ACA) Marketplaces that corresponded with temporary enhanced premium tax credits, enrollment fell for the first time in seven years in 2026, when those tax credits expired. Every state except for New Mexico saw a drop in ACA Marketplace enrollment from 2025 to 2026. State-based Marketplaces that run their own enrollment platforms, including those that partially offset the expiring federal enhanced tax credits, generally…