Show pageBacklinksCite current pageExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. The study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations. demography.txt Last modified: 2024/06/07 02:49by 127.0.0.1