Kerala has an urbanisation rate of 47.42%, as compared to the national rate of 31.16%, making it the 2nd most urbanised major state in India. Within Kerala, the rate of urbanisation varied from 3.9% in Wayanad district to 68.1% in Ernakulam district. Municipalities are the urban local governments that deal with civic functions and local development functions in the municipal area. The state of Kerala has 87 municipalities and six municipal corporations. With 13 municipalities, the district of Ernakulam has the most municipalities in the state.