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If birth rate is falling in an area but very high immigration is increasing the working-age group, how should population growth be analysed?

Answer and explanation

Correct answer: We will conclude by examining net migration and age structure together

The correct answer is B: examine net migration and age structure together with the birth rate. Population growth is not decided by fertility alone. A falling birth rate tends to reduce natural increase, but high immigration adds people directly and may add many working-age adults. Therefore the total population may still grow, and its age composition may become different from that suggested by births alone. Net migration means immigration minus emigration. Option A is wrong because it ignores this important positive component. Option B is correct because it combines the main demographic evidence needed for a balanced conclusion. Option C confuses two different measures; deaths and births are not interchangeable. Option D is wrong because area helps calculate density but does not by itself explain population growth. Memory cue: falling births do not automatically mean falling total population when migration is large.

Related tags

Birth RateNet MigrationAge StructurePopulation GrowthPopulationGeographyClass 9 Mcq

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