WHY IS THE POPULATION AGEING?

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?