human population vocab

crude birth rate (CBR)

number of live births per 1000 people in a population in a given year (US: 11 Mali: 39)

crude death rate (CDR)

number of deaths per 1000 people in a population in a giver year (US: 10 Mali: 9)

fertility

number of children born to a woman during her lifetime

total fertility rate (TFR)

average number of children a woman has during her reproduction years (US: 1.64 Mali: 6)

replacement level fertility

number of children a couple must bear to replace themselves (developed: 2.1 developing: 2.3-2.5)

life expectancy

average number of years a newborn infant is expected to live (US: 77 Mali: 59)

infant mortality rate

number of babies per 1000 born alive who aren’t expected to survive past their first birthday (US: 5.6 Mali: 57)

migration

the movement of people into (immigration) or out of (emigration) a specific geographic area