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Population pyramids


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Population pyramids

  1. 1. Population pyramids are graphics that show information about the age and gender of people in a specific country. Population pyramids
  2. 2. Types of population pyramids 32
  3. 3. How do population pyramids help us learn about population?
  4. 4. Male Female Population in millions In 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
  5. 5. In some LEDCs the government is encouraging couples to have smaller families. This means the birth rate has fallen.
  6. 6. Male Female Population in millions In 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
  7. 7. Population in millions Male Female In 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 world’s richer countries. Contracting pyramid
  8. 8. 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 pyramid The 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...
  9. 9. 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.
  10. 10. To sum up… Expanding pyramidExpanding pyramid Stationary pyramidStationary pyramid Contracting pyramidContracting pyramid LESS DEVELOPEDLESS DEVELOPED COUNTRIESCOUNTRIES DEVELOPINGDEVELOPING COUNTRIESCOUNTRIES DEVELOPEDDEVELOPED COUNTRIESCOUNTRIES
  11. 11. Population pyramid for Mozambique. Population pyramid for Iceland.
  12. 12. What happens next?
  13. 13. What is going to happen to Japan’s population in the future? Why does this matter?
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  17. 17. File path - Student pool/Geography/Year 9/Populatio Optional task: •Open your own PowerPoint presentation. •Go to •Select Search and type in IDB. •Select International Database •From here select Population Pyramids. •Find a population pyramid typical of a poor country (LEDC) copy and paste it into your PowerPoint document then add labels to explain what is shown. •Repeat for an MEDC (rich) country. •For a country of your choice copy and paste the pyramids for 2000, 2025 and 2050. •Write about what the graphs show and try to give reasons for the patterns. Explain how the population of this country is changing and say how that could affect the country. •Find out some background information on each country and add this to your presentation
  18. 18. You can add the population pyramid graphic to your work Population research and explain it.