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fecundity

the number of children that women are capable of bearing

crude birth rate

the annual number of live births per 1,000 population

crude death rate

the annual number of deaths per 1,000 population

net migration rate

the difference between the number of immigants and emigrants per 1,000 population

growth rate

the net change in a population after adding births subtracting deaths, and either adding or subracting net migration

basic demographic equation

growth rate equals births minus deaths plus net migration

zero population growth

women bearing only enough children to reproduce the population

city

a place in which a large number of people are permanently based and do not produce their own food

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