Ahigher-than-usual divorce rate occurs among couples who

There are several reasons why couples get a divorce, and here are the most usual ones:
- if they have been divorced before, or if their parents were divorced when they were still kids
- if they married at a young age (anything before 20s)
- if they had children very quickly after getting married
These are some of the reasons why couples might get a divorce and why there are so many of them. 

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada