As of 2011 census of India, Visakhapatnam had a population of 1,728,128, of which males were 873,599 and females were 854,529 – a sex ratio of 978 females per 1000 males. The population density was 18,480/km2 (47,900/sq mi). There were 164,129 children in the age group of 0–6 years, with 84,298 boys and 79,831 girls – a sex ratio was 947 girls per 1000 boys. The average literacy rate stood at 81.79% with a total of 1,279,137 literates, of which 688,678 were males and 590,459 were females. It is ranked 122 in the list of fastest-growing cities in the world. The total slum population covers 44.61% of the total population which implies 770,971 people reside in slums.
The population crossed two million mark after expansion of the city limits and stands at 2,035,922.