More male infants are born than female infants globally
Globally, slightly more male infants are born than female infants, maintaining a natural sex ratio at birth of approximately 103 to 107 boys per 100 girls.
The retrieved papers consistently state that the natural human sex ratio at birth favors males, with approximately 103 to 107 male births for every 100 female births.
Yanan Long, Qi Chen, Henrik Larsson, Andrey Rzhetsky. Mythical and Observable Trends in Human Sex Ratio at Birth. 2020. https://doi.org/10.1101/2020.04.21.054445
The study notes that the human sex ratio at birth is typically slightly greater than 1, meaning more boys than girls are born.
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Dwarakeesh S. Beyond Biology: Global Trends, Socio‑Technological Drivers, and Demographic Consequences of Sex Ratio Imbalance at Birth. 2026. https://doi.org/10.55041/ijsmt.v2i3.125
The study states that under natural biological conditions, the global sex ratio at birth ranges between 103 and 107 male births per 100 female births.
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