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A region has 400000 births and 400000 deaths in one year. What is the natural increase?

Answer and explanation

Correct answer: Zero

Natural increase measures only the change produced by births and deaths. Its formula is \(Natural\ increase = Births - Deaths\). Migration is not included in this particular measure. In the situation given, the number of births is 400,000 and the number of deaths is also 400,000. Since the two values are equal, their difference is zero.

Therefore, option C, zero, is correct. The figure 800,000 would be the total of births and deaths, not the increase in population. A natural increase of zero does not necessarily mean that the total population remained unchanged, because immigration or emigration could still alter it. It means only that births and deaths made equal contributions during the stated year.

Related tags

Zero Natural IncreaseBirth Death EqualityPopulation CalculationPopulation GrowthThe World Population – DistributionDensity And GrowthThe World Population Distribution Density And GrowthGeography

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