The age-structure diagram that best depicts the ages in a population in stage 3 of the demographic transition is known as "an inverted pyramid."
This is because stage 3 of the demographic transition is characterized by decreased death rates and birth rates.
Therefore, the top of the diagram is filled with older people, and because there is a decrease in death rates, the population of older people will be more, thus making the diagram stretch out at the top.
Also, because there is a decrease in birth rates, the population of younger people will be less, thus making the diagram at the bottom shrink.
Other characteristics of stage 3 demographic transition include:
Hence, in this case, it is concluded that the correct answer is "Inverted Pyramid."
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