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| demographic obsolescence (Authentic); population ageing (Population ageing is an increasing median age in the population of a region due to declining fertility rates and/or rising life expectancy. Most countries have rising life expectancy and an ageing population (trends that emerged first in More Economically Developed Countries, but which are seen now in Less Economically Developed Countries). This is the case for every country in the world except the 18 countries designated as "demographic outliers" by the UN. WK Alexander Demidov) | |||
| demographic aging (Demographic aging is a modern phenomenon: never before has there been a society that was old, although within societies there were some old individuals. aldrignedigen) | |||
| ageing of population | |||
| demographic ageing (Alexander Oshis) | |||