Volume 32 - Article 29 | Pages 827–834  

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

By Timothy Riffe

This article is part of the ongoing Special Collection 8 „Formal Relationships“

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.

Author’s Affiliation

• Timothy Riffe - Universidad del País Vasc, Spain EMAIL

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