The age at which 41,000 Australian men, born in the same year, were married is shown where the second column shows the percentage of the 41,000 men who were married, while the first column shows the age, measured from 22 years, at which they were married.

Adapted from "What is a Growth Cycle?" by S.A. Coutis, Growth,Vol 1, 1937, pages 155 through 174.