Demographics Population and Ages. Different Ages: Different Roles Three important stages 1.Children (under age 15) 2.Working Adults (15-64) 3.Older Adults. - ppt download
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Population Pyramid Types, Stages & Examples | What is a Population Pyramid? - Video & Lesson Transcript | Study.com
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A few high-yield facts on "Population Pyramids." Feel free to add your own in the comments! : r/step1
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