WASHINGTON, D.C. – The National Association of Insurance Commissioners (NAIC) today released two sets of data that help identify leading insurance writers and provide an indicator of the degree of market concentration in lines of business.
The 2010 market share data for life/fraternal and property/casualty insurers include countrywide direct written premium for the top 25 groups and companies as reported on the State Page of the annual statement for insurers that report to the NAIC.
The property/casualty report contains cumulative market share data for the following lines of business: personal auto, commercial auto, workers’ compensation, medical professional liability, homeowners and other liability (excluding auto liability) insurance.
The life/fraternal market share report contains cumulative market share data for the following lines of business: life, annuity considerations, and aggregate total of life insurance, annuity considerations, deposit-type contract funds, other considerations and accident/health insurance.
Both reports will be refreshed daily through March 11 and then each Monday through the end of March.
The abbreviated report versions are available at the following links: