dem‧o‧graph‧ic / deməɡræfɪk◂ / noun
1 demographics [ plural ] information about a group such as the people who live in a particular area :
the demographics of a newspaper’s readership
2 [ countable ] a part of the population that is considered as a group, especially by advertisers who want to sell things to that group :
the 21–40 demographic
— demographic adjective :
demographic change