In 2023, the largest share of the U.S. life insurance market was held by Milwaukee-based Northwestern Mutual, which accounted for **** 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.
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NerdWallet. (April 5, 2024). Largest life insurance companies in the United States in 2023, by market share [Graph]. In Statista. Retrieved May 09, 2026, from https://www.statista.com/statistics/1258614/largest-life-insurance-companies-market-share-usa/
NerdWallet. "Largest life insurance companies in the United States in 2023, by market share." Chart. April 5, 2024. Statista. Accessed May 09, 2026. https://www.statista.com/statistics/1258614/largest-life-insurance-companies-market-share-usa/
NerdWallet. (2024). Largest life insurance companies in the United States in 2023, by market share. Statista. Statista Inc.. Accessed: May 09, 2026. https://www.statista.com/statistics/1258614/largest-life-insurance-companies-market-share-usa/
NerdWallet. "Largest Life Insurance Companies in The United States in 2023, by Market Share." Statista, Statista Inc., 5 Apr 2024, https://www.statista.com/statistics/1258614/largest-life-insurance-companies-market-share-usa/
NerdWallet, Largest life insurance companies in the United States in 2023, by market share Statista, https://www.statista.com/statistics/1258614/largest-life-insurance-companies-market-share-usa/ (last visited May 09, 2026)
Largest life insurance companies in the United States in 2023, by market share [Graph], NerdWallet, April 5, 2024. [Online]. Available: https://www.statista.com/statistics/1258614/largest-life-insurance-companies-market-share-usa/