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The force of mortality by life lived is the force of increment by life left in stationary populations

Riffe, T.

Demographic Research, 32:29, 827-834 (2015)

DOI:10.4054/DemRes.2015.32.29

Abstract

Background: The age distribution and remaining lifespan distribution are identical in stationary populations. The life table survival function is proportional to the age distribution in stationary populations.

Objective: We provide an alternative interpretation of the life table when viewed by remaining years of life.

Conclusions: The functions describing the mortality of birth cohorts over age are identical to the functions describing the growth of death cohorts as time to death decreases in stationary populations.

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