Data field · Geographic area

Underwriting expense ratio

Underwriting expenses divided by written premium for a defined period and carrier cohort.

Who carries it ↓

1Data sources

1Providers

1Free to access

Sources that carry it

1 source

National Council on Compensation Insu…

State of the Line

Annual public workers-compensation benchmark report series published by NCCI. The coordinated release family includes presentation and print PDFs, an HTML Guide, Insights, and At-a-Glance materials. The 2026 edition supplies P/C and workers-compensation premium/results measures plus workers-compensation frequency, medical, indemnity, total, and wage-adjusted claim-severity series for private carriers and state funds in jurisdictions where NCCI provides ratemaking services, with annual, geography, cohort, valuation, development, preliminary, exclusion, unit, and methodology context. Annual editions remain one Source.

Free Full file National US 41 fields

Questions it helps answer

Industry claim frequency benchmarks Industry claim severity benchmarks Claim frequency trend benchmarks Claim severity trend benchmarks Market premium and loss-ratio benchmarks

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