Topic 8 - Human population dynamics

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