The birth rate is usually given as the number of live births divided by the average population (or the population at midyear). This is termed the crude birth rate. In 1995, for example, the crude birth rate per 1,000 population was 14 in the United States, 16.9 in Australia, etc.
BIRTH RATE
Meaning of BIRTH RATE in English
English dictionary of medicine. Английский словарь медицины. 2012