Sociology / Soc 1720 · Atom · ~20 seconds
Population Composition: Sex Ratio and Population Pyramid
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Population composition is a snapshot of a population's profile, read through the sex ratio (men per hundred women) and the population pyramid's age-sex distribution.
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A pyramid with a wide base and narrow top depicts a population with many young people and few older ones.
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The sex ratio and pyramid describe structure at one moment; neither predicts how it will change.
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