APEX Population Pyramids Student Handout Aidan Wilkerson.docx

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Population PyramidsWhat is a population pyramid? How do you read a population pyramid? 1 2 A 2 B 4 3 1. The title of the Population Pyramid. Usually, this is the name of the location along with the year. 2. The left side of the pyramid shows the population distribution of the males(A) while the right side shows the population distribution of the females(B) of the location. 3. Horizontal axis shows the populations (in this case) millions. 4. Vertical axis lists the age group; typically by five year increments.
Types of Population Pyramids A population pyramid shows the age and gender of a society. Population pyramids allow geographers analyze a place and identify its rate of growth. There are three types of growth; rapid, slow/stable and negative/declining. Below are examples of each stage. Negative or Declining Growth Population Pyramid The top third and bottom third are both smaller than the middle section of the pyramid. This type of population pyramid is mostly found in developed countries. These countries have good health care, long life expectancies and stable governments. However, their birth rates are lower than needed to replace the population.

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