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If birth rate is falling but young in-migration is rising, what effect on future population is possible?

Answer and explanation

Correct answer: Future natural increase may also be affected

Direct answer: B is correct. A falling birth rate tends to reduce natural increase, but population structure also matters. Young migrants add people who may belong to, or soon enter, the reproductive-age groups. If they form families in the receiving area, the number of future births may be different from what the falling birth rate alone suggests. Migration can therefore affect both the present total population and its future age composition. Option A is too absolute: growth need not stop because migration and other demographic factors continue. Option B is possible because a larger young population can influence future births and natural increase. Option C is unsupported; young in-migration does not necessarily make the death rate rise. Option D is wrong because population depends on demographic processes, not only area. Memory cue: age-selective migration changes the age structure, and age structure affects future births.

Related tags

Young MigrationAge StructureFuture PopulationNatural IncreaseProcesses Of Population ChangePopulationGeographyClass 9 Mcq

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