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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A demographic shift refers to a change in the age, gender, or ethnic makeup of a population. The given scenario describes a shift in the age makeup of the population, where there were initially more children than older people, but currently, the ratio has decreased due to a decrease in the number of children and an increase in the number of elders.

In the Past, There Were 20 Times More Children Than