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📊 '''Claims ratio (L/R)''', also commonly referred to as the [[Definition:Loss ratio|loss ratio]], measures the proportion of [[Definition:Earned premium|earned premiums]] that an insurer pays out in [[Definition:Claims|claims]] and related settlement costs. Expressed as a percentage, it is one of the most fundamental indicators of [[Definition:Underwriting|underwriting]] performance across every class of insurance — from [[Definition:Motor insurance|motor]] and [[Definition:Property insurance|property]] to [[Definition:Health insurance|health]] and [[Definition:Life insurance|life]]. The abbreviation "L/R" is widely used in European and international markets, particularly in [[Definition:Reinsurance|reinsurance]] treaty documentation and [[Definition:Lloyd's of London|Lloyd's]] market reporting, where it serves as shorthand for the relationship between losses incurred and premiums earned.

🔍 Calculating the claims ratio involves dividing net incurred claims — which include both paid claims and changes in [[Definition:Claims reserves|claims reserves]] — by net earned premiums over a given period. A claims ratio of 70% means that for every dollar, euro, or yen of premium earned, 70 cents, euro cents, or yen went toward paying claims. The metric can be computed on a gross or net basis (before or after [[Definition:Ceded reinsurance|ceded reinsurance]]), and its interpretation depends on the line of business: a 60% loss ratio might signal strong profitability in commercial [[Definition:Liability insurance|liability]], while the same figure could indicate trouble in a personal lines [[Definition:Health insurance|health]] portfolio where [[Definition:Expense ratio|expense ratios]] are thin. Under [[Definition:IFRS 17|IFRS 17]], the way insurers recognize claims and premiums over time has changed the mechanics of how this ratio flows through financial statements, though the underlying concept remains the same. In the United States, [[Definition:Statutory accounting|statutory accounting]] principles prescribed by the [[Definition:National Association of Insurance Commissioners (NAIC)|NAIC]] produce loss ratio figures that may differ from those reported under [[Definition:US GAAP|US GAAP]] due to different reserving and premium recognition conventions.

💡 Beyond its role in financial reporting, the claims ratio functions as a critical decision-making tool that cascades through virtually every aspect of insurance operations. [[Definition:Actuary|Actuaries]] monitor claims ratios by cohort and peril to refine [[Definition:Pricing|pricing]] models; [[Definition:Underwriter|underwriters]] use them to evaluate the profitability of specific books of business; and [[Definition:Regulator|regulators]] in markets such as India and South Africa track claims ratios to assess whether insurers are delivering fair value to [[Definition:Policyholder|policyholders]], sometimes mandating minimum payout levels for certain product categories. When combined with the [[Definition:Expense ratio|expense ratio]], the claims ratio produces the [[Definition:Combined ratio|combined ratio]], which is the standard gauge of overall underwriting profitability in non-life insurance. A persistently elevated claims ratio may trigger [[Definition:Rate increase|rate increases]], tighter [[Definition:Policy terms and conditions|terms and conditions]], or a strategic withdrawal from a segment, making it one of the most closely watched metrics in the industry.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Loss ratio]]
* [[Definition:Combined ratio]]
* [[Definition:Expense ratio]]
* [[Definition:Earned premium]]
* [[Definition:Claims reserves]]
* [[Definition:Underwriting profit]]
{{Div col end}}

Definition:Claims ratio (L/R) - Revision history

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