NAIC Releases 2017 Market Share Data
Life/Fraternal, Property/Casualty Reports Now Available

WASHINGTON (March 1, 2018) — The National Association of Insurance Commissioners (NAIC) released two sets of data today 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: life insurance; annuity considerations; and aggregate total of life insurance, annuity considerations, deposit-type contract funds, other considerations and accident/health insurance.

The reports will be refreshed daily through March 7 and then 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.

The NAIC is the authoritative source for insurance industry information. Our expert solutions support the efforts of regulators, insurers and researchers by providing detailed and comprehensive insurance information. The NAIC offers a wide range of publications in the following categories: Accounting & Reporting; Capital Markets & Investment Analysis; Consumer Information; Financial Regulation; Legal; Market Regulation; NAIC Activities; Special Studies; Statistical Reports; Supplementary Products; and White Papers. For more information, visit NAIC Products & Services.

About the NAIC

The National Association of Insurance Commissioners (NAIC) is the U.S. standard-setting and regulatory support organization created and governed by the chief insurance regulators from the 50 states, the District of Columbia and five U.S. territories. Through the NAIC, state insurance regulators establish standards and best practices, conduct peer review, and coordinate their regulatory oversight. NAIC staff supports these efforts and represents the collective views of state regulators domestically and internationally. NAIC members, together with the central resources of the NAIC, form the national system of state-based insurance regulation in the U.S. For more information, visit

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