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Blue represents more men and boys, red more women and girls than the world average of 1.01 males/female. Sex ratio by country for the over-65 population. Blue represents more men, red more women than the world average of 0.81 males/female. The human sex ratio is the ratio of males to females in a population in the context of anthropology and ...
Sex ratio by country for total population. Blue represents more males than the world average of 1.07 males/females. (2020) The human sex ratio is the comparative number of males with respect to each female in a population. This is a list of sex ratios by country or region.
Gender parity is a statistical measure used to describe ratios between men and women, or boys and girls, in a given population. Gender parity may refer to the proportionate representation of men and women in a given group, also referred to as sex ratio , or it may mean the ratio between any quantifiable indicator among men against the same ...
The value for the entire world population is 1.02 males/female, [116] with 1.07 at birth, 1.06 for those under 15, 1.02 for those between 15 and 64, and 0.78 for those over 65. The Northern Mariana Islands have the highest female ratio with 0.77 males per female. Qatar has the highest male ratio, with 2.
The tertiary sex ratio is equivalent to the adult sex ratio (ASR), which is defined as the ratio of adult males to females in a population. [10] [11] The operational sex ratio (OSR) is the ratio of sexually active males to females in a population, and is therefore derived from a subset of the individuals included when calculating the ASR. [11]
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The following list sorts countries by their estimated male to female income ratio according to the Gender Development Index of the United Nations. The ratio is determined by comparing the gross national income per woman with the gross national income per man in 2017. [1] * indicates "Gender inequality in COUNTRY or TERRITORY" links.
William H. James writing in 2008 gave an increase in coital rates by returning soldiers as a possible cause. He also noted that a fall in the ratio of male births had been recorded in Iran following the Iran–Iraq War, "explained by psychological stress causing pregnant women disproportionately to abort male fetuses". [10]