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age distribution
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Animals & Nature

age distribution

demography
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Also known as: age composition
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Category: Animals & Nature
Also called:
Age Composition
Related Topics:
population
population pyramid
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age distribution, in population studies, the proportionate numbers of persons in successive age categories in a given population. Age distributions differ among countries mainly because of differences in the levels and trends of fertility. A population with persistently high fertility, for instance, has a large proportion of children and a small proportion of aged persons. A population, such as that of France, in which fertility has been low for a long time, has a smaller proportion of children and a larger proportion of aged persons. Changes in fertility have an immediate effect on numbers of children, but many years must ...(100 of 240 words)

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