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GCSE Geography · key term
The difference between births and deaths in a population. It is positive when births exceed deaths and negative when deaths exceed births.
Used by Edexcel and OCR
Specification 8.1 · Paper 3
Revise: Resource Consumption and SustainabilityPopulation size changes through natural change—births minus deaths—and net migration—immigration minus emigration. Either can increase or decrease the population. Growth does not always mean that births outnumber deaths: positive net migration can outweigh a natural decrease.
Specification 7.1b · Paper 2, Paper 3
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The number of births minus the number of deaths. A positive result is natural increase; a negative result is natural decrease.
Natural change is births minus deaths. When births exceed deaths, natural increase adds to the population.