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In which condition can natural increase be negative but total population change be positive?

Answer and explanation

Correct answer: When in-migration is greater than the excess of deaths over births

Direct answer: A. Natural increase is calculated from births minus deaths. It is negative when deaths are greater than births. Total population change also includes net migration: total change = births − deaths + in-migration − out-migration. Therefore, even if births − deaths is negative, total change can become positive when in-migration is larger than that natural loss, assuming out-migration does not cancel it. A states exactly this condition. B would remove people and make positive total change less likely. C provides no incoming population to offset the natural decrease. D gives a natural increase of zero, not a negative one. Memory cue: natural change comes from births and deaths; total change additionally includes migration.

Related tags

Natural IncreaseIn-MigrationTotal Population ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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