Demographics Population and Ages. Different Ages: Different Roles Three important stages 1.Children (under age 15) 2.Working Adults (15-64) 3.Older Adults.

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Presentation transcript:

Demographics Population and Ages

Different Ages: Different Roles Three important stages 1.Children (under age 15) 2.Working Adults (15-64) 3.Older Adults (65 & over)

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?

Population Pyramids A way to compare the percentages for each sex and age group for a set of statistics, and compare growth.

Population Pyramid, 1961

Population Pyramid of Canada /analysis/agesex/vignettes/cda06pymd.ht mlhttp://www12.statcan.ca/english/census06 /analysis/agesex/vignettes/cda06pymd.ht ml

Types of Pyramids 1.Expansive 2.Stationary 1.Constrictive

Why might using population pyramids be useful?