JAMB - Economics (1982 - No. 3)
To calculate the annual natural growth rate of a country's population, one has to know the country's annual birth rate and
the size of that country
the rate of immigration into that country
the population census of that country
the annual death rate
the gross domestic product annual(GDP) of that country
Uitleg
To calculate annual natural growth rate, you will need a summation of the births rate and mortality rate (death rate)