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💰 '''Principal sum''' is the fixed monetary amount specified in certain [[Definition:Insurance policy | insurance policies]] — most commonly [[Definition:Accidental death and dismemberment insurance (AD&D) | accidental death and dismemberment (AD&D)]] and [[Definition:Personal accident insurance | personal accident]] contracts — that the [[Definition:Insurance carrier | insurer]] agrees to pay upon the occurrence of a covered event such as death, total disability, or specified loss of limb or function. Unlike indemnity-based coverage that reimburses actual financial losses, the principal sum is a predetermined benefit amount, making it a hallmark of what is sometimes called a "benefit" or "first-party" policy structure. The term also appears in [[Definition:Travel insurance | travel insurance]], [[Definition:Group insurance | group life]] programs, and some [[Definition:Credit insurance | credit insurance]] products, where it establishes the maximum payout for the most severe scheduled event.

⚙️ The policy's [[Definition:Schedule of benefits | schedule of benefits]] typically expresses each covered loss as a percentage of the principal sum. Death or total loss of two limbs generally triggers payment of the full principal sum, while lesser injuries — loss of one eye, one hand, or partial hearing — pay a stated fraction, such as 50% or 25%. Some policies also incorporate an [[Definition:Aggregate limit | aggregate limit]], meaning the total of all payments across multiple claims by the same [[Definition:Insured | insured]] cannot exceed the principal sum. In group programs offered by employers, the principal sum is often set as a multiple of the employee's annual salary, and [[Definition:Underwriting | underwriting]] may include a guaranteed-issue threshold below which no individual medical evidence is required. Across jurisdictions the core mechanism is similar, though benefit schedules and regulatory requirements for minimum disclosures differ — in the United States, state insurance departments mandate specific schedule formats, while in markets like Japan and Singapore, personal accident products are regulated under life or general insurance frameworks depending on the product's classification.

🔑 For [[Definition:Policyholder | policyholders]], the principal sum provides clarity and certainty: the benefit payable is known at the time of purchase, eliminating disputes over valuation that can arise in indemnity-based claims. For insurers and [[Definition:Actuary | actuaries]], pricing a principal-sum product involves modeling the frequency and severity of covered accidents rather than estimating economic losses, which simplifies [[Definition:Loss reserving | reserving]] but requires careful attention to the [[Definition:Moral hazard | moral hazard]] and anti-selection risks inherent in non-indemnity coverage. The concept also matters in [[Definition:Reinsurance | reinsurance]] arrangements, where the principal sum effectively caps the [[Definition:Ceding company | ceding insurer's]] maximum exposure per risk, facilitating straightforward [[Definition:Excess of loss reinsurance | excess-of-loss]] treaty design. Understanding how the principal sum interacts with benefit schedules and aggregate limits is fundamental for anyone structuring, pricing, or advising on accident and health products.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Accidental death and dismemberment insurance (AD&D)]]
* [[Definition:Personal accident insurance]]
* [[Definition:Schedule of benefits]]
* [[Definition:Sum insured]]
* [[Definition:Benefit trigger]]
* [[Definition:Group insurance]]
{{Div col end}}

Definition:Principal sum - Revision history

PlumBot: Bot: Creating new article from JSON