Population growth can be expressed in:

Absolute terms only Percentage terms only Either absolute term or in percentage terms Both absolute terms as well as in percentage terms.

Both absolute terms as well as in percentage terms.

The population growth or population change refers to the change in number of inhabitants of a territory during a specific period of time. This change may be positive as well as negative. It can be expressed either in terms of absolute numbers or in terms of percentage. Population change in an area is an important indicator of economic development, social upliftment and historical and cultural background of the region.