Although women are having fewer children than ever before in country X, the population is expected to continue growing for another 20 years. How is this possible?

Question

Quizplus · Accepted Answer

Population momentum refers to the tendency for population growth to continue even after fertility rates decline, due to the large number of women of reproductive age in the population. Even if each of these women has fewer children, the sheer number of them means that the population will continue to increase for a period of time before eventually stabilizing.

Although Women Are Having Fewer Children Than Ever Before in Country