What is the meaning of population?

noun

• The people who inhabit a territory or state.
  • usage: "the population seemed to be well fed and clothed"
• A group of organisms of the same species inhabiting a given area.
  • usage: "they hired hunters to keep down the deer population"
• Statistics) the entire aggregation of items from which samples can be drawn. (
  • usage: "it is an estimate of the mean of the population"
  • synonyms: universe
• 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.. )
  • usage: "people come and go, but the population of this town has remained approximately constant for the past decade"; "the African-American population of Salt Lake City has been increasing"
• The act of populating (causing to live in a place. )
  • usage: "he deplored the population of colonies with convicted criminals"