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In demographics, the rate of natural increase (RNI) is the crude birth rate minus the crude death rate of a population (excluding migration). When looking at countries, it gives an idea of what position in the Demographic Transition Model, but to find out how much a country is growing, the population growth rate should be observed.
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Natural Increase: Natural increase is the birth rate minus the death rate. If it is a positive number that means the population is increasing but if it is a negative number that means the population decreasing. Example if it is positive that means more people are being born than dying but if it is a decrease that means more people are dying than being born.
Here is an example using the population of Ghana.
Births - 459,942 Deaths - 175,686
Natural increase = births - deaths
= 459,942 - 175,686
=284,256
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- This page was last modified on 31 October 2008, at 16:33.
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