Social Studies, 09.08.2019 18:20, vanessa23272

In the past, there were 20 times more children than older people. then there were 7 times more people under age 15 than over age 64. currently, there are 3 times as many children as there are elders. these changes in the age make-up of the population are referred to as a

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In the past, there were 20 times more children than older people. then there were 7 times more peopl...