Largest U.S. life insurance companies 2023, by market share
In 2023, the largest share of the U.S. life insurance market was held by Milwaukee-based Northwestern Mutual, which accounted for 10.7 percent of the market. As a mutual society specializing in life insurance, Northwestern Mutual has attained a higher share of this market than diversified, publicly listed insurance giants like MetLife and Corebridge Financial (formerly AIG Life). In fact, many of the largest life insurance companies in the United States are not publicly listed, so do not factor into the list of the largest U.S. life insurance companies by market capitalization.
