The top 25 property and casualty insurers earned a total of roughly $836.9 billion in 2022, wrote roughly $870.3 billion in premiums and captured 100% of the market share, according to data released recently by the National Association of Insurance Commissioners. Direct premiums written in 2022 were up nearly $80 billion from the previous year, according to the NAIC's 2021 reporting. Also worth noting from the industry's 2022 premium reporting:

• The direct loss ratio industrywide was 67.27; and
• The direct loss and cost containment expenses ratio was 71.37.

The data is based on filings received by the NAIC by March 27, 2023 and represent 98.23% of all P&C industry transactions. The top markets included in these filings are personal auto; commercial auto; workers' comp; medical professional liability; homeowners' insurance; and commercial liability. The top P&C insurers of 2022, according to the NAIC, are illustrated in the slideshow above. See also:

• States with the highest average annual home insurance premiums
• 2021 P&C insurance premium reporting spotlights resilience
• The current state of the insurance market