Written premiums in California stabilized in 2022 through 2024 after the large swings during the pandemic, while the combined ratio...
WCIRB News

The Workers’ Compensation Insurance Rating Bureau of California submitted a September 1, 2025 pure premium rate filing, proposing advisory pure...
The Workers’ Compensation Insurance Rating Bureau of California’s governing committee on Wednesday voted to authorize the WCIRB to submit a...

Mega claims in workers’ compensation represent far less than 1% of total workers’ comp claims yet account for more than...
Claim frequency in California workers’ compensation remains significantly higher in the Los Angeles Basin than in the northern part of...
The Workers’ Compensation Insurance Rating Bureau is giving its take on bills passed and passed on by California Legislature this...

Written premium for the first quarter of 2024 was 3% lower than the first quarter of 2023, while written premium...
The California workers’ compensation system has been relatively stable in the post-pandemic era, as premium levels rose by 1% in...
Projected changes to California workers’ comp claims frequency and severity due to industry mix of employment are negligible through 2026,...

Total insurer combined losses and expenses incurred in 2023 were down, a new report shows. The Workers’ Compensation Insurance Rating...