<Tr> <Td_colspan="3"> Source: Census of India </Td> </Tr> <P> Tamil Nadu is the seventh most populous state in India . 48.4 per cent of the state's population live in urban areas, the second highest percentage among large states in India . The state has registered the lowest fertility rate in India in year 2005--06 with 1.7 children born for each woman, lower than required for population sustainability . </P> <P> At the 2011 India census, Tamil Nadu had a population of 72,147,030 . The sex ratio of the state is 995 with 36,137,975 males and 36,009,055 females . There are a total of 23,166,721 households . The total children under the age of 6 is 7,423,832 . A total of 14,438,445 people constituting 20.01 per cent of the total population belonged to Scheduled Castes (SC) and 794,697 people constituting 1.10 per cent of the population belonged to Scheduled tribes (ST). </P> <P> The state has 51,837,507 literates, making the literacy rate 80.33 per cent . There are a total of 27,878,282 workers, comprising 4,738,819 cultivators, 6,062,786 agricultural labourers, 1,261,059 in house hold industries, 11,695,119 other workers, 4,120,499 marginal workers, 377,220 marginal cultivators, 2,574,844 marginal agricultural labourers, 238,702 marginal workers in household industries and 929,733 other marginal workers . </P>

Information about dress of tamil nadu in hindi