The increase in the rate of divorce in one hand and the harmfulness of this social phenomenon in another hand , researcher encouraged to do research on the effective factors on divorce. in so doing, the researchers studies demography factors, including age, education, fertility and etc. some other researchers proposed social factors, including quantitative and qualitative changes in the family structure, urbanization human development and etc. combing the two approaches, the present study investigated effective social factors in divorce in 1390, using secondary analysis. The variables investigator includes urbanization women literacy, the ratio of women in high education, women occupation, directly, nuclear family and fertility decrease. The results obtained from regression analysis indicate that 59 percent of change in divorce rate demonstrated the anticipative variables including the rate of urbanization, family dimension, the rate of fertility and rate of women literacy. There is a great deal of variables in middle and micro level can be analyzed in macro level.