population

noun

1.
the people who inhabit a territory or state
Derived from:
populate
2.
a group of organisms of the same species inhabiting a given area
3.
(statistics) the entire aggregation of items from which samples can be drawn
4.
the number of inhabitants (either the total number or the number of a particular race or class) in a given place (country or city etc.)
5.
the act of populating (causing to live in a place)
Derived from:
populate