How do population pyramids help us learn about population

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How do population pyramids help us learn about
population?
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Population pyramids are used to show information
about the age and gender of people in a specific
country.
Male
Female
There is also a high Death Rate.
In this country there is a high Birth Rate
Population in millions
This population pyramid is typical of countries
in poorer parts of the world.
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Pyramid Triangle
Female
Male
Population in millions
Developing Status focusing on the larger
amounts of children at the bottom and the
slimming numbers of elderly at the top more
schools (less nursing homes) .. More agriculture
to feed kids literacy rate lower average life
expectancy lower
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Hershey Kiss Pyramid
Female
Male
Middle Income country in transition from the
developing stage economy would be equal
agriculture and industry (literacy rate has
improved) average life expectancy has slightly
improved.
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Developed Pyramid
Female
Male
Developed number of children low number of
elderly high women outliving men is due to the
increase of stress levels affecting men
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Male
Female
Population in millions
In the future the elderly people will make up the
largest section of the population in this country.
In this country the birth rate is decreasing.
This is happening more and more in many of the
worlds richer countries.
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Male
Female
Population in thousands
This country has a large number of temporary
workers. These are people who migrate here
especially to find a job.