The correct answer is Population is the total number of persons inhabiting a country, city, or other area.
The concept of population comes from the Latin. In its most usual sense, the word refers to the group of people that inhabit the Earth or any geographical division of the Earth. It also allows referring to the set of buildings and spaces in a city and the action and effect of settling.
Population is a more widely used term to refer to a group of people who inhabit a particular region, state or city, for example.
