Check out our dog age calculator and cat age calculator. Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian.
Quick Answer. The sex ratio is 107 males to 100 females, based on an estimated population of 7.17 billion people as of July 2014. Therefore, there are about 3.7 billion males in the world, and about 9.56 million of them are ages 14 and under. Continue Reading.
Today there are nearly 2.5 billion people under the age of 19 representing one third of the worldâs population. These young people will set the course of global health and population growth for many years to come.