Demography is the statistical study of human population. Demographers seek to understand population dynamic by investigating three main demographic processes:
Birth, Migration and Ageing(including death).
According to 2011 Census of India the density of population is _________.
The
population density of India has gone up to 382 persons per square
kilometre in 2011 from 325
persons per square kilometre in 2001. The rate of increase in density of India has exhibited a sharp decline during 2001ó2011 (17.5 per cent) as compared to 1991ó2001
(21.7 per cent).