Question

Identify the types of population pyramids

Answer 1

Answer:

There are generally three types of population pyramids created from age-sex distributions-- expansive, constrictive and stationary

Explanation:

Answer 2

Explanation:

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There are generally three types of population pyramids created from age-sex distributions:

Expansive:

It is triangular in shape wherein each age group displays a bar shorter than the one preceding it, symbolising that more people die as we progress through the pyramid. A large base indicates a high birth rate. The tapering top of the graph indicates the lesser life expectancy of a region.

Constrictive:

With a slight reduction in the younger group of age, it is the opposite of the expansive pyramid. Life expectancy is higher and living conditions are better indicating a high number of older citizens. Despite this, a decrease in population is seen due to fewer birth rates compared to the death rate.

Stationary:

It is rectangular in shape indicating an equal distribution of people across all age groups. A slight tapering at the top denotes more death occurring among the older people, which is natural. A stable birth rate indicates the use of birth control measures. Life expectancy in such regions is high due to better living conditions, availability of medical services, etc.

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