Glossary

Dividend scale

The formula an insurer uses each year to set payouts on participating policies, based on its investment, mortality and expense experience.

Also called: dividend schedule, dividend formula

A dividend scale is the set of formulas and assumptions a life insurer uses to calculate the dividends it pays on participating policies for a given year. The board of directors approves the scale, usually annually, and it decides how much of the company's divisible surplus goes to each policy based on the policy's type, issue age, size and duration.

The scale blends three main sources of gain: investment earnings above the rate guaranteed in the policy, mortality better than assumed, and expenses lower than assumed. Many mutual companies announce a headline "dividend interest rate" with their total payout for the coming year. That rate is one input to the scale, not the return a policy earns. Hypothetical example: if an insurer's dividend interest rate falls from 6% to 5.5%, dividends on policies sold years ago drop, and an illustration run on the old scale will overstate future cash values.

Illustrations must show values on the current scale alongside guaranteed values, and the NAIC's illustration rules bar projecting a scale more favorable than the current one. Over long periods, dividend scales have followed interest rates, declining broadly through the low-rate years after 2008. When comparing insurers, look at both the current scale and its history. See whole life dividends: how participating policies pay and guaranteed vs non-guaranteed values in a policy illustration.

Last reviewed October 4, 2026

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