n. The study of human populations, and how they change.
the GNU version of the Collaborative International Dictionary of English
n. The study of vital statistics, such as births, deaths, marriages, mortality, health, etc., in populations and subgroups of populations.
The Century Dictionary and Cyclopedia
n. That department of anthropology which relates to vital and social statistics and their application to the comparative study of races and of nations.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the branch of sociology that studies the characteristics of human populations
Word Usage
"One of the harsh truths people don't want to accept is what I call the demography of apart - heid."