The Workers’ Compensation Insurance Rating Bureau of California submitted a September 1, 2025 pure premium rate filing, proposing advisory pure premium rates on average 11.2% above the average approved September 1, 2024 advisory pure premium rates.
The average of the September 1, 2025, advisory pure premium rates proposed by the WCIRB in its filing to the California Department of Insurance is $1.56 per $100 of payroll, while the average of the approved September 1, 2024 advisory pure premium rates was $1.40.
Related: Claim Frequency in California Workers’ Comp Higher in L.A. Area, Study Shows
The WCIRB governing committee just over a week ago voted to authorize the filing.
The rates are based on the WCIRB’s analysis of the latest available insurer premium, loss, and loss adjustment expense experience reported to the WCIRB and the WCIRB’s actuarial projections.
Related: California Workers’ Comp Report Shows ‘Relatively Stable’ System Post-Pandemic
Since early 2015, the approved advisory pure premium rate level has declined by more than half. In rate filings, the WCIRB has attributed this improvement to several factors, including acceleration in claim settlement, modest claim severity trends and reduced pharmaceutical costs and lien filings.
Much of this improvement is attributable to sweeping workers’ comp reform (Senate Bill No. 863) and subsequent reforms, robust medical fee schedules and efforts to fight fraud in the system, according to the WCIRB.
Topics California Workers' Compensation
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