/ dɪˈmɒgrəfi; NAmE -ˈmɑːg-/ noun
[ U ] the changing number of births, deaths, diseases, etc. in a community over a period of time; the scientific study of these changes :
the social demography of Africa
► dem·og·raph·er / dɪˈmɒgrəfə(r); NAmE -ˈmɑːg-/ noun
► demo·graph·ic / ˌdeməˈgræfɪk; NAmE / adjective :
demographic changes / trends / factors
••
WORD ORIGIN
late 19th cent.: from Greek dēmos the people + -graphy .