What is the ratio of men and women in the human population?

Sex ratio – the ratio of the number of males to the number of females in a dioecious population. The sex ratio along with sexual dimorphism is an important characteristic of a dioecious population. Usually it is expressed by the number of males per 100 females, male shares, or percentage. Depending on the stage of ontogenesis, primary, secondary and tertiary sex ratios are distinguished. Primary is the sex ratio in zygotes after fertilization; the secondary is the sex ratio at birth and, finally, the tertiary is the sex ratio of mature, able to breed individuals in the population.

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