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📈 '''Average claim cost''' is a foundational [[Definition:Actuarial analysis | actuarial]] metric that represents the mean monetary value paid (or reserved) per [[Definition:Insurance claim | claim]] within a defined portfolio, line of business, or time period. In insurance, it is calculated by dividing total [[Definition:Incurred losses | incurred losses]] — which include both paid amounts and outstanding [[Definition:Case reserve | case reserves]] — by the number of claims reported or settled. Carriers, [[Definition:Reinsurance | reinsurers]], and [[Definition:Managing general agent (MGA) | MGAs]] across all major markets rely on average claim cost as a building block for [[Definition:Insurance pricing | rate-making]], [[Definition:Reserving | reserving]], and performance monitoring, though the term may appear under slightly different labels depending on the jurisdiction and line — "average cost per claim," "severity," or simply "claim severity" are common variants.

🔧 Tracking this metric over time reveals trends in [[Definition:Claims inflation | claims inflation]], shifts in [[Definition:Loss severity | severity]] distributions, and the impact of changes in coverage terms or [[Definition:Deductible | deductible]] structures. A [[Definition:Motor insurance | motor insurer]] in the UK, for instance, might decompose average claim cost into component parts — bodily injury versus property damage — to isolate the drivers of an upward trend. In [[Definition:Workers' compensation insurance | workers' compensation]] in the United States, rising medical costs can push average claim cost higher even when claim frequency is falling, masking an otherwise favorable underwriting picture if only [[Definition:Loss ratio | loss ratios]] are examined in aggregate. Actuaries typically analyze average claim cost in conjunction with [[Definition:Claim frequency | claim frequency]], since the product of the two — frequency multiplied by severity — yields the [[Definition:Pure premium | pure premium]], which is the core input to pricing models under both [[Definition:US GAAP | US GAAP]] and [[Definition:IFRS 17 | IFRS 17]] reporting regimes.

💡 Changes in average claim cost carry direct implications for virtually every stakeholder in the insurance value chain. For [[Definition:Underwriting | underwriters]], a sustained increase signals the need to revisit rating assumptions and potentially adjust terms or capacity deployment. For [[Definition:Claims management | claims teams]], rising average costs may point to inefficiencies in [[Definition:Claims handling | claims handling]], shifts in claimant behavior, or the emergence of new cost drivers such as supply chain disruptions or litigation trends. [[Definition:Reinsurance | Reinsurance]] pricing, particularly for [[Definition:Excess of loss reinsurance | excess of loss]] treaties, depends heavily on the tail of the severity distribution — but average claim cost provides the baseline from which those tail analyses begin. Regulators in markets ranging from continental Europe to Singapore and Australia also monitor average claim cost trends as part of their supervisory assessment of [[Definition:Technical provisions | reserve adequacy]] and market stability, making it one of the most universally scrutinized indicators in insurance performance management.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Claim frequency]]
* [[Definition:Loss severity]]
* [[Definition:Pure premium]]
* [[Definition:Loss ratio]]
* [[Definition:Claims inflation]]
* [[Definition:Reserving]]
{{Div col end}}

Definition:Average claim cost - Revision history

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