Delhi is a State that had total population of 13,850,507 in 2001 according to the India Census. Delhi ranks highest on Urbanization Rate of any State in India. It has the 4th lowest Sex Ratio. It ranks 4th lowest on SC Sex Ratio and 3rd lowest on Rural Sex Ratio.

The most populous Districts within Delhi are North West Delhi (District) (2,860,869), South Delhi (District) (2,267,023), West Delhi (District) (2,128,908), North East Delhi (District) (1,768,061) and South West Delhi (District) (1,755,041).