Population Ageing:
Ocurrs when the median age of a country or region rises, happens because of rising life
expectancy or declining birth rates.
Is a shift in the distribution of a countrys population towards older ages, means that was
increase population mean and median ages decline in the proportion of the population composed.
Facts:
1)The ageing process by development regions, major of areas, regions and countries.
2)Global phenomenon affecting every man, woman and child.
3)different stages of the process and the peace of a change differs greatly.
4)Countries that started the process later will have less time to adjust.WHY DO YOU THINK THAT THE POPULATION AGEING DEGRESS IN THE YEARS 1950 TO 2011?




