Its population growth at five percent a year is higher than the national average of urbanisation at 3.5 percent.

Dhaka celebrated its fourth centenary last year. It was ruled by the Nawabs till the advent of the British.

Chittagong, the port town, Sylhet and Comilla have scored 6.32, 5.78 and 5.11 points respectively while Rajshahi and Rangpur got 3.7 and 3.43 points, well below the national average of 5 points, said the case study done by Centre for Urban Studies, Bangladesh, in collaboration with Asian Development Bank.