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If births and deaths are equal but in-migration is high, what is the correct conclusion about population change?

Answer and explanation

Correct answer: Natural increase will be zero, but total population may increase

Direct answer: Option A is correct. Natural increase is calculated as births − deaths. Since births and deaths are equal, their difference is zero, so natural increase is zero. This does not mean that total population cannot change. In-migration brings people into the area, so it adds to the resident population. If many people enter and few or none leave, total population increases even though births do not exceed deaths. Option B is wrong because equal numbers give a difference of zero, not a negative value. Option C is wrong because high in-migration adds people rather than removing them; the population may rise. Option D is wrong because migration directly changes the number of residents. A useful memory cue is: natural change counts births and deaths; actual change also counts movement across the boundary. Equal births and deaths stop natural increase, but they do not cancel the effect of in-migration.

Related tags

Zero Natural IncreaseIn-MigrationPopulation GrowthProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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