预期死亡率 meaning in English

expected death rate
expected mortality

As the participation policy includes the minimum interest rate guaranteed and the annuities of the participation policy are variable based to the reward level of investment portfolio , so the measurement of the participation policy is different from the traditional life insurance product . it embeds a put option
在分红保险的定价中,一般假设更高的预期死亡率、经营费用、退保率,更低的预定利率等,但将这些精算假设定到什么程度为合适,要依各公司自己的经验而定。