What has happened to the ratio of the population age 50 to 75 years divided by the population under age 50 in high-income industrial countries in recent decades?
A) The ratio has increased in Japan, but declined in the other major high-income countries.
B) The ratio has increased in France and Germany, but declined in the other major high-income countries.
C) The ratio has increased in all of the large high-income countries.
D) The ratio has declined in all of the large high-income countries.

Question

Quizplus · Accepted Answer

The ratio has increased in all large high-income countries due to aging populations and lower birth rates, leading to a higher proportion of older individuals compared to younger ones.

What Has Happened to the Ratio of the Population Age