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Demographic statistics are measures of the characteristics of, or changes to, a population. Records of births, deaths, marriages, immigration and emigration and a regular census of population provide information that is key to making sound decisions about national policy. [1] [2] A useful summary of such data is the population pyramid. It ...
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The Demography of the World Population from 1950 to 2100. Data source: United Nations — World Population Prospects 2017. Demography (from Ancient Greek δῆμος (dêmos) 'people, society' and -γραφία (-graphía) 'writing, drawing, description') [1] is the statistical study of human populations: their size, composition (e.g., ethnic group, age), and how they change through the ...
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Demographics — the quantifiable statistics of a particular human population in demography For more information, see Demography . Pages in this category should be moved to subcategories where applicable.
The template will attempt to round each percentage to a fixed number of significant digits. To override the default rounding percentage, specify the number of decimal places using |round=. For example, use |round=2 for two decimal places. The total population used for the percentages is computed by summing the values of pop1 through pop7.
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World population pyramid from 1950 to projected in 2100 (UN, World Population Prospects 2017) A population pyramid (age structure diagram) or "age-sex pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. [1]