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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.


Etymology

Origin of sex ratio

First recorded in 1905–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At birth, the sex ratio in the U.S. has historically been 105 men for every 100 women.

From Washington Times • Dec. 15, 2023

At the Heron Island study site, the sex ratio is currently more balanced than nearer the equator, with two to three females hatching for every male.

From Science Daily • Nov. 13, 2023

In fact, deceased female individuals were rarely related to either family tree, and there was an unbalanced sex ratio among the remains found on the site, suggesting that most of the adult daughters were absent.

From Scientific American • Aug. 10, 2023

In four years, the sex ratio in the village improved from 37 girls/63 boys per hundred newborns to 51 girls/49 boys, according to government health records.

From New York Times • Aug. 4, 2023

Statistics further show that this decrease in the Negro population was largely among the males and accounts for the change in the sex ratio of the total population of Alabama.

From The Journal of Negro History, Volume 6, 1921 by Various

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