_________ is described as the number of persons living in an area of 1 sq.km. 

___________ also takes place from rural areas to rural areas. 

_____________ of a country is an indicator of social development. 

Density of population is very great in ___________. 

Measures for the betterment of health and education of all the people of the country are the speciality of __________. 

__________ causes comprehensive changes not only in the number of population but also in the social and cultural characteristics. 

___________ is the movement of people leaving one’s own place and setting down in another place. 

The changes in population of a given place at a specified of period of time are called

__________ is the ratio between population and the area. 

Rural settlements are classified into ___________.