As of year-end 2024, Swiss Re ranked first with billion U.S. dollars in gross reinsurance revenue, coming ahead of Munich Re, with billion U.S. dollars in revenue.
Reinsurance involves insurers transferring parts of risk portfolios to other parties to spread the risk of having to pay out a large sum in the event of an insurance claim. This encourages insurance companies to assume risk, even when the potential payout will be extremely high, like in the case of a natural disaster. It reduces the risk of insurance companies going bankrupt trying to cover claims.
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A.M. Best. (August 18, 2025). Largest reinsurers worldwide in 2024, by gross reinsurance premiums written (in billion U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/217285/net-reinsurance-premiums-written-by-leading-global-reinsurers/
A.M. Best. "Largest reinsurers worldwide in 2024, by gross reinsurance premiums written (in billion U.S. dollars)." Chart. August 18, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/217285/net-reinsurance-premiums-written-by-leading-global-reinsurers/
A.M. Best. (2025). Largest reinsurers worldwide in 2024, by gross reinsurance premiums written (in billion U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/217285/net-reinsurance-premiums-written-by-leading-global-reinsurers/
A.M. Best. "Largest Reinsurers Worldwide in 2024, by Gross Reinsurance Premiums Written (in Billion U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 18 Aug 2025, /statistics/217285/net-reinsurance-premiums-written-by-leading-global-reinsurers/
A.M. Best, Largest reinsurers worldwide in 2024, by gross reinsurance premiums written (in billion U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/217285/net-reinsurance-premiums-written-by-leading-global-reinsurers/ (last visited July 30, 2026)
Largest reinsurers worldwide in 2024, by gross reinsurance premiums written (in billion U.S. dollars) [Graph], A.M. Best, August 18, 2025. [Online]. Available: /statistics/217285/net-reinsurance-premiums-written-by-leading-global-reinsurers/
