The impact of long term mortality changes on population ageing.
The population ageing which results from changes in mortality has been discussed in
the article. The purpose of the article is an attempt to describe the population ageing
from the point of view of long term changes in mortality by means of appealing to the
different speed in decrease of children, young people, adults and seniors' death probabilities
calculated on the basis of the Coale's and Demeny's life expectancy tables as
well as determination of the life expectancy extension speed at different stages of human existence.