birth·rate also birth rate (bûrth'rāt') n. The ratio of total live births to total population in a specified community or area over a specified period of time. The birthrate is often expressed as the number of live births per 1,000 of the population per year. Also called natality.
Main Entry: birth·rate Pronunciation: 'b&r-"thrAt Function: noun : the ratio between births and individuals in a specified population and timeoften expressed as number of live births per hundred or per thousand population per year called also natality
birthrate or birth rate n. The ratio of total live births to total population in a specified community or area over a specified period of time, often expressed as the number of live births per 1,000 of the population per year.