birth rate

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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.

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.
References in periodicals archive ?
35) Remarkably, neither of these studies took into account the number of years since same-sex marriage had become legal in a state, nor did they examine fertility rates.
This means the fertility rate among older women has more than trebled since 1981.
The lowest fertility rate in the region was Singapore's 1.
This could be a result of programmes, policies and plans related to fertility rates requiring longer periods to fully reflect on the fertility indicators in these communities.
Southern Europe is also characterized by lower total fertility rates (1.
Lifestyle diseases such as diabetes and obesity also affect fertility rates.
The declines in fertility rates since 2008 have been remarkable in their extent and persistence.
TurkStat pointed out that Turkey's population would see a decrease in the next 40-50 years if the current fertility rate continues along these lines.
And many people would be surprised - even shocked - to know that over the past three decades, fertility rates have plummeted in many parts of the world, including China, Japan and even significant regions of India.
The significant decline in the population growth, as also the fertility rate, raises hope that the demographic figures may stabilise in the foreseeable future.
Israel's fertility rate of three children per Jewish woman is higher than that of any other country in the developed world, and the only fertility rate substantially above replacement.
According to a leading demographer, a "sea change" is producing a sharp decline in Muslim fertility rates and a "flight from marriage" among Arab women.