Housing and Urban Development.
The national urban population is 27.82 percentage of the total population of India. Tamil Nadu is the most urbanized State having an urban population of 3.5 crores which is 48.44 percentage of the total population of 7.2 crores as per 2011 census. The growth rate of urban population in the last decade has been 27.16 percentage vis-a-vis rural population growth of just 6.49 percentage. The increase in urban population has been due to various factors. Important among them are the natural increase in population in urban areas and migration of rural population to urban areas.