Mortality convergence

(Sep 5, 2019)

In his blog on socio-economic differentials in England and Wales, Torsten Kleinow showed how mortality rates between sub-groups converge with age. And in his blog on ill-health retirements, Kai Kaufhold demonstrated how excess mortality relative to normal retirements reduces, then vanishes. Both are examples of the phenomenon known to demographers as the compensation law of mortality - regardless of the initial differentials between two contemporaneous sub-populations, their mortality rates will converge at an advanced age, often around 90-95.

[We will caveat this for casual readers by stating that we are talking about human populations in peacetime, where external causes of death such as accident…

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Tags: mortality convergence, compensation law of mortality, mortality plasticity

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