Population refers to the total number of people or living beings in a specific area or region. It tells us how many individuals are present in a particular place at a given time. Full definition
To be sure, one major source of this increase is the growth of population in general. (religion-online.org)
Many states do not publish test scores for student populations of ten or less. (schooldigger.com)
With populations of over 100 million and close to 200 million respectively, each country is big enough to provide a lot of room for growth. (nreionline.com)