Top 25 U.S. Other Liability Insurers | NAIC 2023 Market Share Report
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The National Association of Insurance Commissioners has issued its annual Market Share Data Reports for both the Property & Casualty Insurance Marketplace, as well as for the Life & Fraternal Insurance Marketplace. As in the past, the data offered here reflects a compiled list of market share data based upon filings of countrywide premium submitted to the NAIC from Property & Casualty insurers as reported on the State Page of the NAIC’s annual statement for insurers.
The data is then compiled and included in various reports on cumulative market share data for the seven major lines of insurance in the United States: All lines; Private Passenger Personal Auto; Commercial Auto; Workers’ Compensation; Medical Professional Liability; Homeowners’ Multi-Peril; and Other Liability (excluding auto liability).
Market Share by Line of Business
Key Points from This Year’s Report:
With 97.92% of property and casualty insurance companies reporting so far, direct premiums written for all lines of business are $869,982,560,322.
The Top 10 property and casualty companies reporting so far have a cumulative market share of 67.07%.
Total private passenger auto insurance has the largest amount of direct premiums written reported as of March 20, 2023, at $277,035,816,966.
The Other Liability Marketplace
The Direct Premiums for the Other Liability insurance marketplace totalled $119,125,341,425, while Total Premiums Earned was $114,276,251,454, making it the fourth-largest insurance marketplace in the U.S.
Chubb is the largest insurer in this marketplace with $8,966,084,672 in Direct Premiums Written representing an 7.53% market share.
The top three Other Liability insurers in the U.S are : Chubb, Berkshire Hathaway, and Liberty Mutual. Together they have a cumulative market share of 17.20%.
The top five P&C insurers which includes Travelers and Fairfax, in addition to the above top three, have a cumulative market share of 25.85%, while the top ten claim just under half of the marketplace with a cumulative market share of 43.72%.
With respect to the top 25 Property & Casualty Insurers All Lines, the total market share of this group is 72.29%
Liberty Mutual is the only Massachusetts-based insurer listed in this group. As for other New England-based insurers
The Top 25 Other Liability Insurers
RANKGROUP/COMPANY NAMEDIRECT
PREMIUMS
WRITTEN ($)DIRECT
PREMIUMS
EARNED ($)DIRECT
LOSS TO
EP RATIO¹MARKET
SHARE %CUMULATIVE
MARKET
SHARE % 
Links to our 2023 NAIC Market Share Reports
Links to our 2022 NAIC Market Share Reports
