<Tr> <Td> Countries with more females than males . Countries with the same number of males and females (accounting that the ratio has 3 significant figures, i.e., 1.00 males to 1.00 females). Countries with more males than females . No data </Td> </Tr> <P> In anthropology and demography, the human sex ratio is the ratio of males to females in a population . More data are available for humans than for any other species, and the human sex ratio is more studied than that of any other species, but interpreting these statistics can be difficult . </P> <P> Like most sexual species, the sex ratio in humans is approximately 1: 1 . Due to higher female fetal mortality, the sex ratio at birth worldwide is commonly thought to be 107 boys to 100 girls, although this value is subject to debate in the scientific community . The sex ratio for the entire world population is 101 males to 100 females . Depending upon which definition is used, between 0.1% and 1.7% of live births are intersex . </P> <P> Gender imbalance may arise as a consequence of various factors including natural factors, exposure to pesticides and environmental contaminants, war casualties, sex - selective abortions, infanticides, aging, and deliberate gendercide . </P>

Ratio of male and female in the world