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population pyramid
noun
, Sociology.
- a graph showing the distribution of a population by sex or gender, age, etc., the depiction of which is typically pyramid-shaped.
population pyramid
noun
- a pyramid-shaped diagram illustrating the age distribution of a population: the youngest are represented by a rectangle at the base, the oldest by one at the apex
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Word History and Origins
Origin of population pyramid1
First recorded in 1945–50
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