birth rate
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Related to Crude birth rate: Maternal mortality rate, Crude death rate, Total fertility rate, Demographic transition model
birth rate:
see vital statisticsvital statistics,primarily records of the number of births and deaths in a population. Other factors, such as number of marriages and causes of death, by age groups, are regularly included.
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birth rate
the number of live births per 1000 people of all ages in one year. In post-World War II UK the birth rate rose until the mid-1960s and has since declined. Since 1951 the highest birth rate was in 1964 with 18.8 live births per 1000 people, and the lowest was in 1977 with 11.7 live births per 1000 people.The overall birth rate is sometimes referred to as the crude birth rate. Various other ‘age specific measures of the rate can be calculated to provide more reliable projections of POPULATION trends. There is some suggestion that birth rate changes may be related to economic cycles, but this is not a simple relationship. Variables affecting birth rate, including length of marriage, the age structure of the population and contraceptive methods used, interact in a complex manner with economic factors. See also DEATH RATE, FERTILITY, DEMOGRAPHY, FECUNDITY. DEMOGRAPHIC TRANSITION, POPULATION.
Collins Dictionary of Sociology, 3rd ed. © HarperCollins Publishers 2000
birth rate
[′bərth ‚rāt] (biology)
The ratio between the number of live births and a specified number of people in a population over a given period of time.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.