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Published byRobyn Melton Modified over 8 years ago
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Demographics Population and Ages
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Different Ages: Different Roles Three important stages 1.Children (under age 15) 2.Working Adults (15-64) 3.Older Adults (65 & over)
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Dependency Load The part of the population that must be supported (i.e. children and older adults) What pressures does a high dependency load put on society?
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Population Pyramids A way to compare the percentages for each sex and age group for a set of statistics, and compare growth.
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Population Pyramid, 1961
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Population Pyramid of Canada 1956 - 2006 http://www12.statcan.ca/english/census06 /analysis/agesex/vignettes/cda06pymd.ht mlhttp://www12.statcan.ca/english/census06 /analysis/agesex/vignettes/cda06pymd.ht ml
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Types of Pyramids 1.Expansive 2.Stationary 1.Constrictive
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Why might using population pyramids be useful?
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