noun
insurance premium rate
Technical term used in insurance contexts to refer to the rate at which premiums are calculated.
保険料率は年齢や健康状態によって変わります。
The insurance premium rate varies depending on age and health condition.
保険料 refers to the actual premium amount paid, while 保険料率 is the rate used to calculate that amount.
Compound of 保険 (insurance) + 料率 (rate, tariff).