ACA Enrollment Has Doubled Since 2020, Driven by Growth in Red States

  • Apr 04, 2025

    During the 2025 open enrollment period, 24.3 million people enrolled in Affordable Care Act marketplace plans, setting a record for the fourth consecutive year. ACA marketplace signups have now more than doubled since 2020, with most of the growth occurring in states won by President Donald Trump in the 2024 election, according to a new KFF analysis.

    About 17.1 million people enrolled through HealthCare.gov between Nov. 1, 2024, and Jan. 15, 2025, in the 31 states that use that platform. Another 7.2 million enrolled across 19 states and Washington, D.C., which use their own marketplaces. Georgia transitioned to its own state-based marketplace this year.

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  • Jinghong Chen

    Jinghong has been producing infographics and data stories on employer-sponsored insurance, public health insurance programs and prescription drug coverage for AIS Health’s Health Plan Weekly and Radar on Drug Benefits since 2018. She also manages AIS Health’s annual executive compensation database for top insurers and Blue Cross and Blue Shield affiliates. Before joining AIS Health, she interned at WBEZ, Al Jazeera English and The New York Times Chinese. She graduated from Missouri School of Journalism with a focus on data journalism and international reporting.

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