Ghasem Najari - Department of Political Science, Central Tehran Branch, Islamic Azad University, Tehran, Iran
Mohammad Ali Khosravi - Department of Political Science, Central Tehran Branch, Islamic Azad University, Tehran, Iran
Jahanbakhsh Izadi - Department of Political Science and International Relations, Central Tehran Branch, Islamic Azad University, Tehran, Iran
Habibullah Abolhasan Shirazi - Department of Political Science and International Relations, Central Tehran Branch, Islamic Azad University, Tehran, Iran

The aim of the current research is to investigate the position of NGOs in improving the economic, political and social conditions of citizens in Tehran Municipality between ۲۰۱۰ and ۲۰۱۸. The statistical population of this research is the managers and senior experts of the ۲۲ districts of Tehran and their related ۱۲۱ districts, of which ۲۲۰ people including the mayors of each district and its districts and senior managers will be selected as a statistical sample in the order of position priority. The required information was also collected through a researcher-made questionnaire whose validity and reliability were confirmed, and the results were obtained based on Friedman's test, quadratic factor analysis method, and using SPSS and Lisrel software. The obtained results indicate a significant difference in the components of urban management and confirm NGOs' role in improving urban management (urban social sciences, urban economics and urban politics) in Tehran Municipality from ۲۰۱۸ to ۲۰۱۹. Based on the Friedman test, the significant difference in the components has been investigated. The result of the ranking shows that the urban economy component has the highest rank and is the component in which NGOs play a more effective role. Finally, after performing the exploratory factor analysis, the fitting of the model and second-degree confirmatory analysis were done, the findings of which show that NGOs played an influential role in the component of social sciences, urban economy and urban policy improvement in Tehran Municipality between ۲۰۱۰ and ۲۰۱۸. has it. The main role of NGOs is related to the urban economy component. Considering that providing citizens' needs, and providing welfare services, are basically infrastructures that are established by municipalities. All of them ultimately lead to the dynamism of the city's economy and the improvement of the citizens' well-being.

NGOs, economic, political, social conditions of citizens, nonlinear analysis