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• 13:45, 22 November 2022 Nikolas talk contribs created page 31. Demography: definition, methods, data sources (Created page with "* Demography is the scientific study of the determinants and consequences of changes in human population * You can only enter a population by birth or migration, and you can only leave it by death or migration ** Therefore, fertility, mortality, and migration are important in the study of demographics ** Keeping record of birth and death is simple; migration is not always registered and therefore more difficult to keep record of * Variables in demography ** Age ** Gender...") Tag: Visual edit