Market share of largest U.S. health insurance companies 2014 and 2022, by enrollments
In 2022, UnitedHealth Group Inc was the market leader and had a 14 percent share of the U.S. health insurance market. Ellevance Health and CVS (Aetna) followed with a market share of 12 percent and 11 percent, respectively.
Who is UnitedHealth Group?
UnitedHealth Group is headquartered in Minnesota and was founded in 1977. The revenue generated by the company has steadily risen since 2007. The company offers health care products as well as insurance coverage.
Membership
In 2023, Kaiser was the largest health insurance company in the United States, followed by Ellevance and UnitedHealth. Membership of Kaiser almost reached nine million in that year. Meanwhile, UnitedHealth is among the largest companies worldwide in terms of revenue and the largest health care company on that list.