DEMOGRAPHICS:
A Brief Definition —

"Demographics" is the study of characteristics of human populations and population segments, especially as used to identify or define consumer markets.

Demographics is interested in any population characteristic that might be useful in understanding what individuals within a particular population segment tend to think, what consumer products or services they are willing to buy, and how many people fit a particular profile.

Demographics is used in marketing, sales, marketing research, opinion research, political research, and the study of consumer behavior.

For more details about the study of "demographics", you might want to read the Wikipedia article, which will open in a new window.