Agriculture cooperatives satisfy the need for supply, processing and marketing of goods; they play an important role in development of agricultural sector and rural areas in the world. Nearly 70% of world’s cooperatives are engaged in agriculture and allied sectors. Almost 68% of world’s Agricultural cooperatives are in Asia-Pacific. Agricultural Cooperatives, in general, are multiple purposes. Through their services they enable the farmers to produce agricultural products. A cooperative is an autonomous institution, the aim of which is to support production activities of their members. Agricultural cooperatives perform a variety of services. This survey has been done in local cooperatives in North West part of Iran . The main purpose of this study was to assess Rural Production Cooperative’s Success Extent and It’s Effective Factors in Western Azarbaijan Province . The statistical population for this Study was 10 out of 21 Rural Production Cooperative Companies with 10805 Farmer members from which 200 members were chosen as sample population in 5 townships as follow; Orumieh, Khoy, Shahindezh, Maku and Miandoab. The research method was “descriptive–correlation survey“. data was collected by two type researcher–made questionnaires (A questionnaire for executive managers and another for cooperative members). Statistical methods which were used in this research were; Pearson Correlation Coefficient, T-Test, F-Test and Multiple Regression. The findings of this research indicated that, average of age, membership service record among respondents is respectively, 46.4, and 13.3. there were a significant relationship between some of independent and dependent variable (extent of cooperatives’ success) such as; Empowerment, Efficiency, Economical success, Satisfaction and Participation. The findings also showed that there are positive and significant relationship between Participation of cooperative members with members’ satisfaction and Economic success there are also a positive relationship between Empowerment and Marketing, between supply services and Keywords: Cooperative, Rural Production, Success, Western Azarbaijan , Iran