birth rate

British  

noun

1. the ratio of live births in a specified area, group, etc, to the population of that area, etc, usually expressed per 1000 population per year

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birth rate Scientific  

1. The ratio of total live births to total population in a specified community or area over a specified period of time. The birth rate is often expressed as the number of live births per 1,000 of the population per year.

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Example Sentences

The major reason is because teen girls are having fewer babies, which impacts the overall birth rate.

From Salon • Apr. 20, 2026

Slaathaug and her colleagues have also seen very low calf counts, signalling a low birth rate.

From BBC • Apr. 19, 2026

Overall, the declining birth rate “continues to wreak havoc with the fragile vitality of public schools,” Fuller added.

From Los Angeles Times • Apr. 16, 2026

Experts say there are multiple reasons for South Korea's low birth rate, from high child-rearing costs to a notoriously competitive society that makes well-paid jobs difficult to secure.

From Barron's • Feb. 25, 2026

Only two things could bring this about—increase of birth rate, decrease of death rate.

From The Color Line A Brief in Behalf of the Unborn by Smith, William Benjamin