State of California’s Workers’ Compensation System: WCIRB 2018 Report


The Workers’ Compensation Insurance Rating Bureau of California (WCIRB) monitors the health of the workers’ compensation insurance system and makes its data and analyses available to system stakeholders and
public policymakers.The California system involves more than 200 insurance companies providing coverage to nearly 700,000 businesses and delivering medical and wage replacement benefits to almost 800,000 injured workers annually.

This interactive report provides 44 charts illustrating the following:

  • Employer Costs
  • Cost Distribution
  • Claims Frequency
  • Claims Severity
  • Claims Duration
  • Frictional Costs

And more.