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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.
There are approximately 3.38 billion females in the World. The number of males is about 3.41 billion. People under 14 years of age made up over a quarter of the world population (26.3%), and people age 65 and over made up less than one-tenth (7.9%) in 2011.