Crude birth rate
Crude Birth Rate
The Crude Birth Rate (CBR) is a statistical measure representing the number of live births occurring during the year, per 1,000 population estimated at midyear. Pronounced as /kruːd bɜːrθ reɪt/, the term is derived from the Latin word 'crudus' meaning 'raw' or 'uncooked', and the Old English 'beran' meaning 'to carry', indicating the raw, unadjusted rate of births in a population.
Calculation
The Crude Birth Rate is calculated by taking the number of live births in a year, dividing it by the mid-year population, and then multiplying the result by 1,000. This gives the average number of births per 1,000 people in the population, providing a snapshot of the rate at which births are occurring.
Factors Influencing Crude Birth Rate
Several factors can influence the Crude Birth Rate, including cultural, socioeconomic, and demographic influences. For example, cultural norms around family size, access to and attitudes towards contraception, and the economic stability of a region can all impact the Crude Birth Rate.
Related Terms
- Crude Death Rate: The number of deaths over a given period divided by the person-years lived by the population over that period. It is expressed as number of deaths per 1,000 population.
- Fertility Rate: The number of live births per 1,000 women of childbearing age in a population.
- Population Growth Rate: The increase in a country's population during a period of time, usually one year, expressed as a percentage of the population at the start of that period.
See Also
External links
- Medical encyclopedia article on Crude birth rate
- Wikipedia's article - Crude birth rate
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