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.
World Population: Past, Present, and Future. ( 1 move and expand the bar at the bottom of the chart to navigate through time) 2  According to the United Nations, world population reached 7 Billion on October 31, 2011. 3  According to the United Nations, the 6 billion figure was reached on October 12, 1999 (celebrated as the Day of 6 Billion).