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• 13:48, 22 November 2022 Nikolas talk contribs created page 33. Demographic indicators: measures describing population groups. Population pyramids (Created page with "* Dependency ratio is the ratio of the population who are economically inactive to those who are economically active: ** Dependency ratio = population < 15 and > 65 / population between 15 and 65 * Population size – the number of individuals in the population * Population density – the number of individuals in the population per unit of area * Age structure – the age structure of a population is shown by the population pyramid ** Most developed countries have contr...") Tag: Visual edit