The single most important influence on the percent of the population that is older is the
A) fertility rate.
B) mortality rate.
C) migration rate.
D) None of these are correct.

Question

Quizplus · Accepted Answer

The fertility rate is the most important influence on the percentage of the population that is older because lower fertility rates lead to a higher proportion of older individuals in the population over time, as there are fewer younger individuals being born to balance the age distribution.

The Single Most Important Influence on the Percent of the Population