Land use development and transformation in informal settlements have been taking place because informal settlements have been alternative way of providing affordable housing to low income people. Many governments use strict regulations to deny informal settlements from infrastructure services but in Tanzania informal settlements are provided with such services.
Zonas urbanas
Urban areas as defined by the Census Bureau are densely-populated areas with at least 50,000 people ("urbanized areas") and densely-populated areas with 2,500 to 50,000 people ("urban clusters").