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🧬 '''Biometric risk''' is the risk that actual experience related to human life contingencies — mortality, longevity, morbidity, and disability — deviates from the assumptions an insurer used when pricing its products or calculating its [[Definition:Insurance reserves | reserves]]. It sits at the heart of [[Definition:Life insurance | life insurance]] and [[Definition:Health insurance | health insurance]] operations, where an insurer's core promise depends on accurately predicting how long people live, when they fall ill, and how frequently they become disabled. Unlike [[Definition:Market risk | market risk]] or [[Definition:Credit risk | credit risk]], biometric risk is intrinsic to the insurance mechanism itself: it cannot be hedged away with financial instruments alone and must instead be managed through careful [[Definition:Underwriting | underwriting]], product design, and portfolio diversification.

📊 Insurers quantify biometric risk by constructing actuarial tables and stochastic models that project expected claim patterns across large populations, then monitoring actual experience against those projections. Under [[Definition:Solvency II | Solvency II]] in Europe, biometric risk is explicitly modeled within the life underwriting risk module of the [[Definition:Solvency capital requirement (SCR) | solvency capital requirement]], with separate sub-modules for mortality, longevity, disability-morbidity, lapse, and catastrophe. Similarly, China's [[Definition:C-ROSS | C-ROSS]] framework and Japan's solvency regime require insurers to hold capital buffers calibrated to potential adverse biometric deviations. [[Definition:Reinsurance | Reinsurance]] plays a critical role in managing concentration: a life insurer writing large volumes of term life cover might cede [[Definition:Mortality risk | mortality risk]] to a [[Definition:Reinsurer | reinsurer]], while a pension buyout specialist would seek protection against [[Definition:Longevity risk | longevity risk]] through longevity swaps or reinsurance treaties. Advances in data science and wearable technology are also reshaping how insurers assess individual biometric profiles, enabling more granular [[Definition:Risk classification | risk classification]] at the point of [[Definition:Policy issuance | policy issuance]].

💡 Getting biometric assumptions right is existential for life and health carriers. A systematic underestimation of longevity, for instance, can erode the solvency of annuity writers over decades — a scenario that has driven several European pension insurers to seek capital relief through [[Definition:Longevity reinsurance | longevity reinsurance]] or [[Definition:Insurance-linked securities (ILS) | insurance-linked securities]]. Conversely, pandemic events can trigger sudden spikes in mortality claims that test the adequacy of [[Definition:Catastrophe risk | catastrophe risk]] provisions. The introduction of [[Definition:IFRS 17 | IFRS 17]] has further elevated the importance of biometric risk by requiring insurers to present the effects of assumption changes transparently in their financial statements, making adverse experience visible to investors and regulators far more quickly than under legacy accounting regimes.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Mortality risk]]
* [[Definition:Longevity risk]]
* [[Definition:Morbidity risk]]
* [[Definition:Life insurance]]
* [[Definition:Actuarial assumption]]
* [[Definition:Solvency capital requirement (SCR)]]
{{Div col end}}

Definition:Biometric risk - Revision history

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