U.S. property/casualty insurance posts strongest underwriting results since 2013 with improved combined ratios and premium growth; 2025 outlook tempered by wildfire losses and tariff impacts on costs.

The US property & casualty insurance sector achieved its strongest underwriting results since 2013 in 2024, driven by improvements in personal lines and facing emerging economic and environmental challenges in 2025.

Chubb's Q1 2025 earnings show significant catastrophe losses from California wildfires impacting net income despite premium growth and underwriting improvements.