NAIC Releases 2018 Market Share Data
Life/Fraternal and Property/Casualty Reports Now Available

WASHINGTON (March 4, 2019) — The National Association of Insurance Commissioners (NAIC) released data today on life/fraternal and property/casualty insurers. The reports provide market share information and identify leading insurance writers in several key lines of business.

The 2018 market share data include countrywide direct written premiums 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 Life/Fraternal Market Share report contains cumulative market share data for: life insurance, annuity considerations, and an aggregate total of life insurance, annuity considerations, deposit-type contract funds, other considerations and accident/health insurance.

A few highlights from the report include:

  • With 95.50 percent of life and accident/health insurance companies reporting, direct premiums written for life insurance are $166,577,249,584.
  • Total reported premiums for life insurance, including annuity considerations, deposit-type contract funds and other considerations are $886,597,657,239 as of March 4.

The Property/Casualty Market Share 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.

A few highlights from the report include:

  • With 96.55 percent of property/casualty insurance companies reporting to date, direct premiums written for all lines of business are $670,262,757,463.
  • The top 10 property/casualty companies reporting to date have a cumulative market share of 47.79 percent.
  • Total private passenger auto insurance has the largest amount of direct premiums written reported as of March 4 at $244,455,312,825.

The reports reflect data filed by insurers as of March 4 and will be refreshed daily through March 11 and then each Monday throughout March. The full 2018 Market Share Reports for Life/Fraternal Groups and Companies and the full 2018 Market Share Reports for Property/Casualty Groups and Companies will be available this summer and will contain more in-depth information.

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

About the NAIC

As part of our state-based system of insurance regulation in the United States, the National Association of Insurance Commissioners (NAIC) provides expertise, data, and analysis for insurance commissioners to effectively regulate the industry and protect consumers. The U.S. standard-setting organization is 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 reviews, and coordinate regulatory oversight. NAIC staff supports these efforts and represents the collective views of state regulators domestically and internationally. For more information, visit

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