Human sex ratio

Ratio of males to females in a population

The human sex ratio is the ratio of males to females in a population in the context of anthropology and demography. In humans, the natural sex ratio at birth is slightly biased towards the male sex. It is estimated to be about 1.05 or 1.06 or within a narrow range from 1.03 to 1.06 males per female. The sex ratio for the entire world population is approximately 101 males to 100 females.

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