The common designation of age 65 as the beginning of old age is based largely on:
A) the average age of retirement in the United States.
B) the individual aging process that lowers productivity after age 65.
C) historical custom. 335)
D) the proportion of people alive past that age.

Question

Quizplus · Accepted Answer

The designation of age 65 as the beginning of old age is largely based on historical custom, particularly the establishment of retirement age in social security systems.

The Common Designation of Age 65 as the Beginning of Old