Slums are still predominantly found in urban regions of developing countries, but are also still found in developed economies. The world's largest slum city is found in Karachi, Pakistan. Slums form and grow in different parts of the world for many different reasons.

Where were the worst slums located at?

Dharavi is considered one of the largest slums in the world. The low-rise building style and narrow street structure of the area make Dharavi very cramped and confined.

Where are slums found in India?

Andhra Pradesh tops the list, with 36.1% of its urban population living in slums. Other states are: Chhattisgarh, Madhya Pradesh, Maharashtra, Odisha, West Bengal, Sikkim, Jammu & Kashmir and Haryana.