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CBR
Crude birth rate
crude birth rate definition
indicates the number of live births occurring during the year, per 1,000 population estimated at midyear
TFR
total fertility rate
total fertility rate definition
The total fertility rate in a specific year is defined as the total number of children that would be born to each woman if she were to live to the end of her child-bearing years and give birth to children in alignment with the prevailing age-specific fertility rates
crude death rate definition
indicates the number of deaths occurring during the year, per 1,000 population estimated at midyear
NIR
natural increase rate
natural increase rate definition
the estimated rate of population growth (or decline) without regard for migration
RR
replacement rate
replacement rate definition
replacement rate relates to replacement fertility because of infant and childhood mortality
CBR formula
CBR = number of births / total population x 1000
CDR formula
CDR = number of deaths / total population x 1000
Note 
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