Study the Social Instability in Informal Settlements Based on the Challenges of Sustainable Urban Development (Case Study: 2nd District in Tehran Farahzad Neighborhood)

The research method was analytic-survey based on observation and using a questionnaire tool. The sample size of 130 households was selected by simple random sampling method. The validity of the tool has been verified according to the opinion of the experts and management experts and behavioral sciences. The reliability of this tool was obtained using Cronbach's alpha method higher than 0.7. According to experts, with the help of factors such as physical, social, economic and environmental factors can improve informal housing. The amount of each of these components in order; The socio-cultural component is 34.10%, the economic component is 29.55%, the physical component is 27.25% and the environmental component is 9.10%. Much of informal settlements Farahzad neighborhood, is due to migration for a better life. The margin of the neighborhood is characterized by dissatisfaction and lack of social citizenship. As a result, improving the housing situation and social and cultural infrastructure is one of the most important priorities in improving the situation in the Farahzad neighborhood. The main feature of the urban sustainability development approach can be explained based on the theory of social change. This perspective looks more towards the socioeconomic and cultural construction of the urban community, rather than looking outside the community to root out the causes of injuries and social instability in order to find out the causes of social injuries and instabilities.