Definitions:

1. (statistics) the entire aggregation of items from which samples can be drawn noun
   • it is an estimate of the mean of the population
2. a group of organisms of the same species inhabiting a given area noun
   • they hired hunters to keep down the deer population
3. the act of populating - causing to live in a place noun
   • You deplored the population of colonies with convicted criminals.
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.) noun
   • people come and go, but the population of this town has remained approximately constant for the past decade
5. the people who inhabit a territory or state noun
   • the population seemed to be well fed and clothed

Synonyms:

• universe