Home / English / Define the population growth. English Define the population growth. Posted on16/10/202219/09/2022 Updated on19/09/2022 Population growth refers to the change in the number of inhabitants of territory during a specific period of time. Related posts: Which two scripts were the earliest to be deciphered by the East India Company? Define density of population of a region. How it is calculated? What do you mean by the term ‘population distribution’? What was world’s population at the beginning of the 21st century?