The National Association of Insurance Commissioners (NAIC) today released two sets of data designed to help provide an indicator of the degree of market concentration in lines of business and identify leading insurance writers.

The 2009 market share data for life/fraternal and for 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.

Below is the ranking of the overall top 10 of 25 property/casualty companies*:

1.            State Farm

2.            Zurich Insurance

3.            Allstate Insurance

4.            American International Group

5.            Liberty Mutual

6.            Travelers

7.            Berkshire Hathaway

8.            Nationwide

9.            Progressive

10.           Hartford Fire & Casualty Group

* Based on filings received by March 3, 2010, an estimated 96.47% of property/casualty filings have been received. Additional information can be found here.

 

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.

The ranking of these companies includes the following top 10 of the 25 overall top life/fraternal companies*:

1.            Metropolitan Life

2.            Northwestern Mutual

3.            Prudential of America

4.            New York Life

5.            John Hancock

6.            Lincoln National

7.            Aegon Group, U.S. Holdings

8.            American International Group

9.            Mass Mutual Life Insurance Group

10.          State Farm

* NOTE: Based on filings received by March 3, 2010, an estimated 94.29% of Life, Accident & Health filings have been received. Additional information can be found here.

Both of these full reports will be refreshed daily through March 12, and then each Monday through the end of March. The abbreviated reports on the top 25 companies in each line of business are available for viewing at no charge on the NAIC Web site. 

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