Actuarial & Insurance

Intermediate

Mortality Rate

Probability that a life aged x dies within the year.

Formula

q_x = \frac{d_x}{l_x}

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Variables

q_xMortality rate at age x

d_xDeaths at age x

l_xLives at age x

Example

d_x=200, l_x=100000: q_x = 0.002

Did You Know?

Human mortality roughly doubles every eight years of adult age — the Gompertz law.

actuarial mortality life table

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