demography

demography
[dɪˈmɒgrəfi]
noun
  1. [mass noun]the study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations
    人口统计学
    ■the composition of a particular human population
    人口组成(或构成)
    Europe's demography is changing.
    欧洲的人口组成正在发生变化。
派生
demographer
noun
语源
  1. late 19th cent.: from Greek dēmos 'the people' + -graphy
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