ACA Marketplaces See Robust Enrollment, So Far

Nearly 4.6 million people have enrolled in Affordable Care Act marketplace coverage since the start of the 2024 open enrollment period on Nov. 1, a 36% increase compared to the same point during the 2023 OEP, according to CMS. This year’s open enrollment season will last from Nov. 1, 2023, to Jan. 15, 2024, in most states and longer in some state-based marketplaces (SBMs).

More than 4 million people have enrolled through HealthCare.gov in the 32 states that use that platform, and another 501,962 have enrolled across 18 states and the District of Columbia, which use their own marketplaces. Most states are seeing significant membership growth in 2024 compared with the same period last year. Mississippi reported a signup surge of almost 114%.

After adjusting enrollment figures to account for the fact that there is one fewer day included in the 2024 OEP data compared to last year’s mid-OEP enrollment report, an ACAsignups.net analysis showed that in addition to Mississippi, Tennessee and Ohio also saw their enrollment jump more than 100% year over year. And another 11 states reported increases of more than 50%.

Meanwhile, plan selections in Virginia shrunk by 64% year over year as the state transitioned from HealthCare.gov to its own SBM for the 2024 plan year. The analysis adjusted the enrollment given that CMS reported three weeks’ data for HealthCare.gov and two weeks’ data for state-based marketplaces.

This infographic was reprinted from AIS Health’s weekly publication Health Plan Weekly.

© 2024 MMIT
Jinghong Chen

Jinghong Chen Reporter

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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