Paper 2 · population change
What demographic term describes the difference between a population's birth rate and death rate, expressed as a rate of population growth that excludes migration?
Model answer
natural increase
Also accepted: rate of natural increase, natural population increase
Explanation: Natural increase is the difference between the birth rate and the death rate in a population, expressed as a percentage or rate of growth; it excludes migration, which is accounted for separately when calculating a population's overall growth rate.
Derived from ZIMSEC Geography Paper 2, November 2003, Q3
