Population pyramids

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    22-Feb-2016
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Population pyramids. Population pyramids are graphics that show information about the age and gender of people in a specific country. 3. 2. Types of population pyramids. How do population pyramids help us learn about population?. Expanding pyramid. Male. Female. - PowerPoint PPT Presentation

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Population pyramids are graphics that show information about the age and gender of people in a specific country.Population pyramidsTypes of population pyramids

32How do population pyramids help us learn about population?

MaleFemalePopulation in millionsIn this country there is a high Birth Rate

There is also a high Death Rate.This population pyramid is typical of countries in poorer parts of the world (LEDCs.)Expanding pyramid

In some LEDCs the government is encouraging couples to have smaller families. This means the birth rate has fallen.

MaleFemalePopulation in millionsIn this country the number of people in each age group is about the same.The largest category of people were born about 40 years ago.In this country there is a low Birth Rate and a low Death Rate.This population pyramid is typical of countries in the richer parts of the world (MEDCs.)Stationary pyramid

Population in millionsMaleFemaleIn this country the birth rate is decreasing.In the future the elderly people will make up the largest section of the population in this country.This is happening more and more in many of the worlds richer countries.Contracting pyramid

There are narrower parts in the middle part of the pyramid. People in their 20s in 1961 were born during the Depression, a time of economic hardship in Canada when people were having fewer children. Spearhead pyramidThe pyramid had a wide base. These are the baby boomers, a large group of people born between 1947 and 1966 when the economy was growing and prospering. This is caused by a war, a time of economic hardship, illnesses, famine...

To sum up

Expanding pyramidStationary pyramidContracting pyramid

LESS DEVELOPED COUNTRIESDEVELOPING COUNTRIESDEVELOPED COUNTRIES

MaleFemalePopulation in thousandsThis country has a large number of temporary workers. These are people who migrate here especially to find a job.

Population pyramid for Mozambique.Population pyramid for Iceland.

What happens next?

What is going to happen to Japans population in the future?Why does this matter?

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