The median age (the age at which half the population is older and half is younger) has increased dramatically in the developed world because:
A) life expectancy has risen.
B) people have children at younger ages.
C) birth rates have risen.
D) the baby boom generation is dying off.

Question

Quizplus · Accepted Answer

The increase in median age is primarily due to the rise in life expectancy, as people are living longer than in the past. This results in a higher proportion of older individuals in the population and an increase in the median age.

The Median Age (The Age at Which Half the Population