Visual Capitalist December 23, 2024
The U.S. health insurance industry is highly concentrated, with a single insurer having at least a 50% market share in 13 U.S. states.
This trend has intensified over the last 10 years due to industry consolidation, leaving consumers with limited options for health insurance. Going further, in markets dominated by a few insurers, healthcare costs and spending tend to be higher as insurers are less likely to reimburse hospitals for patient care.
This graphic shows America’s largest health insurance companies by state, based on data from the American Medical Association.
The Market Concentration of Health Insurers in 2023
Below, we show the top health insurance company in each U.S. state, measured by their share of total enrollments in 2023:
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