sex ratio

American  

noun

Sociology.

1. the proportional distribution of the sexes in a population aggregate, expressed as the number of males per 100 females.

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Etymology

Origin of sex ratio

First recorded in 1905–10

Example Sentences

The census also showed that illiteracy decreased, the sex ratio at birth became slightly less skewed toward boys, and the number of years in school and the number of university graduates increased.

From Science Magazine

And by 2015 there had been a reversal in the sex ratio, with girls now outnumbering boys two to one.

From BBC

Yet, the country faces a shrinking labor force, a skewed sex ratio and one of the world’s fastest-aging populations.

From Washington Post

"No country in the world has such a deformed sex ratio. Isn't that masculine enough?"

From BBC

No one knows why the park’s sex ratio is so skewed, although environmental pressure might be pushing males to gather on the fringes of the country’s more northerly elephant stronghold.

From New York Times