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Keywords:
Population,
Proportion,
Age,
Relative,
Abundance
Percentage of the population (or number of people of each sex) at each age level in a population.
The relative proportions of a population in different age classes.
The distribution of a population according to age, usually by 5-year age groups.
The distribution of ages of individuals of a population. 838
The relative abundance of different age classes in a population.
The relative proportion of individuals in each age group in a population.
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