Question

What do you mean by population structure​

Answer 1

Answer:

Population structure means the 'make up' or composition of a population. Looking at the population structure of a place shows how the population is divided up between males and females of different age groups.

Answer 2

Population pyramids

Population pyramids show the structure of a population by comparing relative numbers of people in different age groups.

• The shape of a population pyramid can tell us a lot about an area's population.
• Usually pyramids are drawn with the % of male population on the left and % of female population on the right.
• It gives us information about birth and death rates as well as life expectancy.
• A population pyramid tells us how many dependants there are. There are two groups of dependants; young dependants (aged below 15) and elderly dependants (aged over 65).
• Dependants rely upon the economically active for economic support.
• Many LEDCs have a high number of young dependants, this means that the pyramid will have a wide base and the sides of the pyramid will decrease as fewer people will reach old age.
• However, many MEDCs have a growing number of elderly dependants, this will be shown by the pyramid having straight sides or a barrel shape. The pyramid will also be much taller.

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