This is a long-term contract with premiums, which the client undertakes to pay in order to accumulate a certain amount. The terms of such a contract traditionally provide for the payment of a large sum in the event of death of the insured or loss of ability to work.
The insurance company guarantees an annual accrual of a small income on savings. In 2017, it was 3-5% in rubles, according to Vedomosti.
In addition most insurance companies promise to pay customers the interest from the company's profits. However, they cannot guarantee permanent profitability.
Source : https://realnoevremya.ru/news/101049-nakopitelnoe-strahovanie-po-dohodnosti-dognalo-vklady
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