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If birth rate is falling but in-migration is rising rapidly, what can total population change be like?

Answer and explanation

Correct answer: Total population may still increase

Answer: A, total population may still increase. Population change has two broad parts: natural change and migration. Natural change is births minus deaths. Total change also includes people entering and leaving: total change = births − deaths + in-migration − out-migration. A falling birth rate may reduce natural increase, but rapidly rising in-migration adds people to the region. If that addition is larger than the losses caused by deaths and out-migration, the total population rises. A is correct because it allows this possibility. B is wrong because “always” ignores the strong positive effect of in-migration. C is wrong because natural increase is not the only component; migration also matters. D is wrong because people entering a region directly change its population. Memory cue: natural change counts births and deaths; total change also counts movement.

Related tags

Birth RateIn-MigrationTotal Population ChangeProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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