The purpose of this study was to investigate social justice and social and economic factors affecting sustainable development of Torbat-e Jam city. For the theoretical framework, theories of social capital, economic development and capitalist development and theories of social justice, etc. have been used. The statistical population consisted of all individuals aged 20-64 years in Torbat-e Jam city and sample size was calculated using Cochran formula of 500 persons. The sampling method was quota of this city and questionnaire was used for data collection. The findings show that women influence more sustainable development than married men and married citizens more than single men, then using structural equation modeling and taking into account measurement errors of other research variables (social justice 81%, Social indicators (44%), spatial justice (36%), poverty reduction (33%), economic capital (0. 27%), social participation (25%), economic development (16%), social commitment (15%) and social trust (15%) all had an impact on sustainable development. But sustainable development is the same between different socioeconomic bases and education, and there is no difference