NAIC Releases 2017 Property-Casualty Insurer Market Share Data

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March 08, 2018 |

Man viewing a pie chart drawing with one-eighth shaded and an arrow pointing to another pie chart with seven-eighths shaded

The National Association of Insurance Commissioners (NAIC) recently released two sets of data on life/fraternal and property/casualty insurers. The reports provide market share information indicating the degree of market concentration in lines of business and identify leading insurance writers.

The 2017 market share data include countrywide direct written premium for the top 25 groups and companies as reported on the state page of the annual financial 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: life insurance; annuity considerations; and aggregate total of life insurance, annuity considerations, deposit-type contract funds, other considerations, and accident/health insurance.

For property-casualty, the top five ranking insurers in terms of direct premiums written for commercial auto, workers compensation, medical professional liability, and other liability are as follows.

Commercial Auto

Workers Compensation

Medical Professional Liability

Other Liability (excluding auto)

Progressive

Travelers

Berkshire Hathaway

Chubb

Travelers

Hartford

Doctors Company

AIG

Liberty Mutual

Zurich

CNA

Travelers

Zurich

Amtrust

ProAssurance

Liberty Mutual

Nationwide

Berkshire Hathaway

MLMIC

Zurich

The reports will be refreshed each Monday throughout March. The complete 2017 Market Share Reports for Life/Fraternal and 2017 Market Share Reports for Property/Casualty will be available this summer and contain more in-depth information.

For questions about the reports or data, contact the NAIC Research & Actuarial Department.

March 08, 2018