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📐 '''Net premium valuation''' is an [[Definition:Actuarial | actuarial]] method for calculating [[Definition:Life insurance | life insurance]] [[Definition:Policy reserves | policy reserves]] by comparing the present value of future [[Definition:Insurance benefit | benefits]] to the present value of future [[Definition:Net premium | net premiums]] — that is, the portion of the [[Definition:Gross premium | gross premium]] needed solely to fund expected claims, excluding any allowance for [[Definition:Expense loading | expenses]] or [[Definition:Profit margin | profit margins]]. The difference between these two present values yields the reserve the insurer must hold at any point during the policy's life. This approach has deep roots in [[Definition:Statutory accounting | statutory]] reserving, particularly in the United States, where it served for decades as the principal basis for minimum reserve standards under the [[Definition:Standard Valuation Law | Standard Valuation Law]] promulgated by the [[Definition:National Association of Insurance Commissioners (NAIC) | NAIC]].

⚙️ Under net premium valuation, the actuary selects prescribed or conservative assumptions for [[Definition:Mortality rate | mortality]] (or [[Definition:Morbidity rate | morbidity]]) and an [[Definition:Interest rate | interest rate]] — typically set by regulation to ensure adequacy — and calculates the net premium that would exactly fund the benefit stream over the policy's duration at those assumptions. The reserve at any valuation date equals the accumulated value of past net premiums less past benefit payments, or equivalently, the prospective difference between future benefits and future net premiums. Because the method ignores [[Definition:Acquisition cost | acquisition costs]] and [[Definition:Maintenance expense | maintenance expenses]], it tends to produce higher initial reserves than methods that account for expense deferral, which historically made it a conservative standard well suited to [[Definition:Solvency | solvency]] protection. In the U.S., the method applied to most traditional products — [[Definition:Whole life insurance | whole life]], [[Definition:Term life insurance | term life]], and [[Definition:Endowment insurance | endowments]] — under the Commissioners Reserve Valuation Method (CRVM) and the Net Level Premium Method.

🌐 While net premium valuation remains foundational to understanding life insurance reserving, its dominance has been challenged and supplemented by newer frameworks. The NAIC's adoption of [[Definition:Principle-based reserving (PBR) | principle-based reserving (PBR)]] through the [[Definition:Valuation Manual | Valuation Manual]] allows U.S. companies to use company-specific experience and stochastic modeling for many product types, reducing reliance on the one-size-fits-all conservatism of formulaic net premium methods. Internationally, [[Definition:IFRS 17 | IFRS 17]] employs a fundamentally different architecture — the [[Definition:Building block approach (BBA) | building block approach]] and the [[Definition:Premium allocation approach (PAA) | premium allocation approach]] — that incorporates explicit risk adjustments and a [[Definition:Contractual service margin (CSM) | contractual service margin]], departing from the net premium concept entirely. Similarly, [[Definition:Solvency II | Solvency II]] in Europe requires best-estimate liabilities plus a [[Definition:Risk margin | risk margin]], calculated on economic principles rather than net premium methods. Nonetheless, understanding net premium valuation remains essential for actuaries and analysts working with legacy blocks of business, statutory filings in the U.S., and the conceptual foundations that underpin modern reserving theory.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Policy reserves]]
* [[Definition:Principle-based reserving (PBR)]]
* [[Definition:Standard Valuation Law]]
* [[Definition:IFRS 17]]
* [[Definition:Net premium]]
* [[Definition:Commissioners Reserve Valuation Method (CRVM)]]
{{Div col end}}

Definition:Net premium valuation - Revision history

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