Population pyramids

Compare age groups using percentages of the whole population.

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Population pyramids

These are broad age categories, not equal five-year bands. The six bars together sum to 100%.

Broad age structure0–14: male 18%, female 18%; 15–64: male 27%, female 27%; 65+: male 5%, female 5%0–1418%18%15–6427%27%65+5%5%MaleFemaleEach bar is a percentage of the whole population.The three age groups have different age spans.
Age groupMale (% of total)Female (% of total)
0–141818
15–642727
65+55
Broad age structure. Original fictional resource; not an official map or real dataset.

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Resource description

0–14: male 18%, female 18%; 15–64: male 27%, female 27%; 65+: male 5%, female 5%

1. What percentage of the whole population is aged 0–14?

2. Calculate dependants per 100 people aged 15–64, using 0–14 and 65+ as dependants.

Synthetic data and original mapping. Practice does not count as required fieldwork.

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State the unit and the part of the resource you used. A pattern in a fictional dataset is evidence for that exercise; it does not establish a fact about a real place.

Check whether an explanation is supported by the data or needs additional geographical knowledge. For statistical tasks, a calculated result does not establish causation or significance by itself.

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