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Demography is the statistical study of populations. It can analyse any kind of dynamic living population, i.e., one that changes over time or space (see population dynamics). Demography encompasses the study of the size, structure, and distribution of these populations, and spatial and/or temporal changes in them in response to birth, migration, ageing, and death.
https://en.wikipedia.org/wiki/Demography [accessed 07/01/2016]
© M Goodyear 2016 and S Seager 2018
