demography /dəmog″rəfē/ [Gk, demos, people, graphein, to record] , the study of human populations, particularly the size, distribution, and characteristics of members of population groups. Demography is applied in studies of health problems involving ethnic groups, populations of a specific geographic region, religious groups with special dietary restrictions, and members of population groups that may represent a typical cross section of the entire nation. Compare epidemiology.
