what do you mean by growth of population? how is it calculated

Q- What do you mean by growth of population? How is it calculated?

Answer- The change in number of inhabitants of a country during a specific period of time is called as population growth or growth of population.

The population growth can be expressed in two ways:

1. Absolute number: It is obtained by simply subtracting the earlier population from the later population. It is called as absolute number. 

2. Annual growth: When the rate of pace of population is studied in per cent per annum. If increase is 2 percent, i.e there is an increase of 2 persons for every hundred persons in the base population. This not absolute number but this way can be used to determine population growth.

Population growth is calculated by subtracting the population of a country in current time from previous census. 

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