P&C Insurance Industry Posts Strong 2024 Turnaround

The U.S. property and casualty insurance industry made a remarkable comeback in 2024, posting a $22.9 billion net underwriting gain compared to a $21.3 billion loss in 2023, according to AM Best.
AM Best’s First Look report analyzes data from companies filing 2024 financial statements by March 11, representing 97% of industry net premiums written and 97% of policyholder surplus. The report notes that the P&C sector’s improvement was primarily driven by significant changes in the personal lines segment.
Financial Performance Overview
The industry’s combined ratio, a key measure of underwriting profitability, improved to 96.6 from 101.6 in 2023. Net premiums written grew 8.7% to $908.2 billion, while net premiums earned increased 9.8% to $879.1 billion, demonstrating strong top-line growth.
Despite a modest 2.1% increase in incurred losses and loss adjustment expenses, these costs were outpaced by premium growth. Underwriting expenses rose 9.8%, but were offset by a substantial 21.3% increase in earned net investment income, significantly bolstering P&C insurers’ overall financial results.
Pre-tax operating income surged 123.5% to $109.3 billion. Net income rose an impressive 89.8% to reach $169.3 billion, while the after-tax return on surplus improved dramatically to 15.6% from 8.8% in the previous year.
Catastrophe and Reserve Impact
Catastrophe losses continued to play a significant role in the industry’s performance, accounting for 8.7 points on the combined ratio—unchanged from 2023. Total catastrophe losses for U.S. P&C insurers reached $76.3 billion in 2024, representing a substantial challenge for insurers despite the improved overall results.
The industry benefited from $2.0 billion in favorable reserve development, which reduced the combined ratio by 0.4 points. This positive effect was partially offset by asbestos and environmental losses, which contributed 0.2 points to the combined ratio.
When examining normalized performance metrics, the accident year combined ratio was 96.8. More tellingly, the normalized combined ratio—which excludes both catastrophes and asbestos and environmental impacts—improved to 87.7, highlighting strong underlying operational performance when extraordinary events are removed from the equation.
Capital Position and Market Stability
The industry’s capital position strengthened considerably in 2024, with surplus increasing to $1.1 trillion. This growth was supported by $174.1 billion in combined net income and contributed capital, underscoring the sector’s financial resilience despite ongoing challenges.
Capital management strategies saw notable shifts during the year. The industry experienced a $12.9 billion change in unrealized losses, affecting overall capital positions. Stockholder dividends decreased 20% to $85.9 billion, a significant reduction from the previous year. This change was particularly influenced by National Indemnity Company’s substantial $82 billion distribution in 2023, which created a high baseline for year-over-year comparisons.
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