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📋 '''Annual aggregate deductible''' is a [[Definition:Deductible | deductible]] structure found in [[Definition:Insurance policy | insurance]] and [[Definition:Reinsurance | reinsurance]] contracts that requires the insured (or [[Definition:Cedant | ceding company]]) to absorb total covered losses up to a specified dollar threshold within a single policy year before the [[Definition:Insurance carrier | insurer]] begins to pay. Unlike a per-occurrence deductible — where each individual [[Definition:Claim | claim]] triggers its own retention — the annual aggregate deductible pools all qualifying losses over the policy period into one cumulative bucket. Once the insured's combined losses cross that annual threshold, subsequent covered losses are paid by the insurer, subject to the remaining [[Definition:Policy terms and conditions | terms and conditions]].

🔧 Consider a commercial [[Definition:Policyholder | policyholder]] with a $500,000 annual aggregate deductible on a [[Definition:General liability insurance | general liability]] program. The first several claims of the year — say three separate incidents totaling $500,000 — are absorbed entirely by the insured. If a fourth loss occurs, the carrier steps in because the aggregate has been exhausted. This structure is commonly paired with per-occurrence limits or sub-limits and is especially prevalent in [[Definition:Workers' compensation insurance | workers' compensation]], [[Definition:Product liability insurance | product liability]], and [[Definition:Excess of loss reinsurance | excess-of-loss reinsurance]] treaties. [[Definition:Actuary | Actuaries]] price the aggregate by modeling the frequency and severity distributions of expected losses to determine the probability that aggregate claims will breach the retention.

💡 For organizations with predictable, high-frequency loss patterns, the annual aggregate deductible can meaningfully lower [[Definition:Premium | premium]] costs because the insured retains the first tranche of expected losses. It also encourages proactive [[Definition:Loss control | loss control]] — every dollar saved on small claims directly reduces the insured's own financial exposure. From the insurer's perspective, the structure decreases [[Definition:Claims handling | claims-handling]] volume and limits exposure to attritional losses, concentrating the carrier's involvement on years where claims exceed the norm. Negotiating the right aggregate level requires close collaboration between the [[Definition:Risk manager | risk manager]], [[Definition:Insurance broker | broker]], and underwriter, often informed by several years of historical [[Definition:Loss run | loss-run]] data.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Deductible]]
* [[Definition:Self-insured retention (SIR)]]
* [[Definition:Aggregate limit]]
* [[Definition:Excess of loss reinsurance]]
* [[Definition:Loss control]]
* [[Definition:Attachment point]]
{{Div col end}}

Definition:Annual aggregate deductible - Revision history

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