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Subjects

Geography

Age Structure

Age Structure, a topic in Class 12 Geography under Population Composition, explains how people are distributed among different age groups and what this reveals about a population. Students learn to distinguish children, the working-age population and older people, understand dependency ratios, and interpret age-sex pyramids and related population data. The topic also helps them examine how age composition influences education, employment, healthcare, social services and future population trends.

Medium · Level 7 · 25 questions

Practice questions

01When analyzing age structure at a medium level, what should be examined along with age percentages?

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02A region receives large-scale in-migration mainly of people aged 20-40 because of new jobs. What is the most likely short-term effect on its age structure?

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03A country has a high proportion of children. Which condition will be most important for this group to become a strong future working-age population?

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04If the elderly population is rising while the working-age population is shrinking, which economic pressure is most likely to increase?

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05Why is it important to examine both percentages and absolute numbers when studying age structure?

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06The base of a country's age pyramid is becoming progressively narrower. What is the most likely direct cause?

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07If a country's population is ageing, which change in housing policy may be most appropriate?

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08A country has a low share of children, a rising share of elderly people, and its total population begins to decline after some time. Which demographic situation does this most closely match?

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09A region attracts a large number of people aged 18-35 because of universities and the IT industry. Which part of the age pyramid will show the clearest effect?

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10If the elderly share is rising in a country, why cannot simply increasing the birth rate be considered a sufficient solution?

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11A country has a high working-age population share, but most people are in informal and low-productivity employment. What conclusion follows?

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12Why is age structure considered an important basis for development planning?

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13In a country, ages 0 to 14 form 31 percent, ages 15 to 59 form 57 percent, and ages 60 and above form 12 percent. If over the next decade the child share falls to 24 percent and the elderly share rises to 18 percent, what happens to the working-age share?

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14If a region has 62 percent working-age population, 25 percent children, and 13 percent elderly people, approximately what is the age-based dependency ratio per 100 working-age persons?

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15In a country, child dependency is declining, elderly dependency is rising, and total dependency remains almost stable. What is the most appropriate interpretation?

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16If ages 0 to 14 form 22 percent and ages 60 and above form 18 percent, what are the working-age share and total dependent share?

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17If a country's child share falls from 36 to 24 percent, its elderly share rises from 8 to 14 percent, and the remainder is working age, how much does the working-age share change?

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18If total population is stable but the working-age share is declining, what must be happening in at least one other age group?

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19If ages 0 to 14 form 28 percent, ages 15 to 59 form 52 percent, and ages 60 and above form 20 percent, approximately how many dependents are there per 100 working-age persons?

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20If children form 18 percent and elderly people 26 percent of a country's population, which population pyramid is more likely?

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21In a country, ages 15 to 59 form 67 percent of the population and the dependency ratio is about 49 dependents per 100 working-age persons. Approximately what is the total dependent share of the population?

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22If child dependency is falling and the working-age share is rising but job creation is stagnant, which risk may increase?

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23If a country's child share falls from 32 to 20 percent while the elderly share rises from 10 to 16 percent, what happens to the total dependent share?

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24If a country has a large child population but infant and child mortality are very low, what effect is likely on future age structure?

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25If elderly people form 14 percent and the working-age population 56 percent, approximately what is the elderly dependency ratio per 100 working-age persons?

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