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If the absolute number of people aged 15-64 is increasing but their percentage is declining, which situation can explain this?

Answer and explanation

Correct answer: Other age groups may be growing even faster

A percentage is a group’s share of the total population, while an absolute number is the actual count of people in that group. The working-age population can rise in number but fall in percentage if the total population rises even faster. For example, the group might increase from 60 to 70 people while children and older people increase so much that the total grows from 100 to 120. The share then falls from 60% to about 58.3%.

Option A is correct because faster growth in other age groups can reduce the working-age group’s percentage despite its numerical increase. A declining total with stable other groups would not normally produce the stated pattern, and the group is clearly not zero. Percentages and absolute numbers therefore need not move in the same direction. The key is the changing denominator, or total population.

Related tags

Absolute PopulationPercentage ShareWorking-Age GroupAge CompositionAge StructurePopulation CompositionGeographyClass 12 Mcq

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