demography
US /dɪˈmɑː.ɡrə.fi/
UK /dɪˈmɑː.ɡrə.fi/
1.
the study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations.
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The report provides an overview of the country's demography.
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Understanding demography is crucial for urban planning.