sex ratio


noun Sociology.

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

Origin of sex ratio

First recorded in 1905–10

Example sentences from the Web for sex ratio

Medical definitions for sex ratio

sex ratio

n.

The proportion of males to females in a given population, usually expressed as the number of males per 100 females at a specific stage in life, especially at conception, birth, and a given stage between birth and death.
The ratio of the numbers of males to females affected by a particular disease or trait.