Population_Pyramids-_introduction.docx - 01Population Pyramids What is a population pyramid A population pyramid is a pyramid-shaped diagram

Population_Pyramids-_introduction.docx - 01Population...

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01Population PyramidsWhat is a population pyramid?A population pyramid is a pyramid-shaped diagram illustrating the age distribution of a population; the youngest ages are at the bottom ascending in age till the oldest age at the top of the pyramid.How do you read a population pyramid?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 while the right side shows the population distribution of the females 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.32124
Types of Population PyramidsA 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.65+60-6455-5950-5445-4940-4435-3930-3425-2920-2415-1910-145-90-44.03.53.02.52.01.51.0.5.51.01.52.02.53.03.54.0POPULATION PYRAMIDS WORKSHEETNegative or Declining Growth Population PyramidThe 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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