Research
Previous Reports on the State of the Workers' Compensation Insurance System
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The State of the Workers' Compensation Insurance System report is published annually and summarizes the cost of workers’ compensation insurance based on premiums paid by insured employers, shows how premium dollars are distributed among various system components, and identifies key cost drivers such as frequency and the average cost of claims.
On this page you will find previous State of the Workers' Compensation Insurance System reports; view the current report here.
2022
- WCIRB 2022 Report on the State of the California Workers’ Compensation Insurance System (Rel. August 11, 2022)
(For best viewing, use Adobe Acrobat.) - Report Chart Data - Excel Version
- Topics Videos:
- Frequency Characteristics (Run time: 5:06)
- Medical Claim Severity Characteristics (Run time: 4:43)
- Industry Results (Run time: 6:05)
- COVID-19 Claim Severity (Run time: 3:27)
- Medical Claim Severity (Run time: 2:49)
- Indemnity Claim Severity (Run time: 2:55)
- Claims Duration (Run time: 4:48)
- COVID-19 Claim Frequency (Run time: 2:39)
- Overall Claims Frequency (Run time: 5:21)
- Rates (Run time: 4:21)
- Economic Impact on Wages (Run time: 2:24)
- Premiums (Run time: 6:33)
- Economic Impact of Pandemic (Run time: 2:38)
- Frictional Costs (Run time: 4:53)
2021
- WCIRB 2021 Report on the State of the California Workers’ Compensation Insurance System (Rel. July 21, 2021)
(For best viewing, use Adobe Acrobat.) - Report Chart Data - Excel Version
- Topics Videos:
- Economic Impacts of the COVID-19 Pandemic (Run time: 14:22)
- COVID-19 Claims Impact (Run time: 8:32)
- Premiums and Rates (Run time: 15:12)
- Claim Frequency (Run time: 6:49)
- Claim Severity (Run time: 6:51)
- Frictional Costs (Run time: 5:58)
- Industry Results (Run time: 8:59)
2020
- WCIRB 2020 Report on the State of the California Workers’ Compensation Insurance System (Rel. July 14, 2020)
(For best viewing, use Adobe Acrobat.) - Report Chart Data - Excel Version
- Full Webinar and Topics Videos:
- WCIRB Research Forum about the Report (Run time: 1:05:43)
- COVID-19 and the CA Workers' Comp Insurance Market (Run time: 18:10)
- Premiums and Rates in CA Workers' Comp (Run time: 13:37)
- Claim Frequency and Severity in CA Workers' Comp (Run time: 14:14)
- CA Workers' Comp Cost Drivers (Run time: 13:41)
2019
- WCIRB 2019 Report on the State of the California Workers’ Compensation Insurance System (Rel. July 22, 2019)
- Report Chart Data - Excel Version
- Video: WCIRB Research Forum about the Report
2018
- WCIRB 2018 Report on the State of the California Workers’ Compensation Insurance System (Rel. July 9, 2018)
- Report Chart Data - Excel Version
- Video: WCIRB Research Forum about the Report