Models and developmental ideas have been disseminated widely around the world and they have become important element for ideational and behavioural change. Pattern of marriage in Iran not only become influenced by internal elements such as modernization, urban living, geographic mobility, high levels of education and knowledge but also it has been changed through external elements such as developmental idealism from structural and functional point of view and gradually it becomes similar to modern pattern of marriage in industrial societies. The aim of this study was to evaluate the effect of cultural and basic variables on pattern of marriage. This is a survey-method research and has been carried out using questionnaire on 400 people between 17-50 years of age. The findings of this study indicate that with the increase of developmental idealism, pattern of marriage becomes more modern, and that there is also significant relationship between gender, age, income, ownership, education, value priorities, the use of mass media and pattern of marriage. Moreover the results show that only gender, age, income, developmental idealism, value priorities and the use of mass media entered in multivariable regression equation, and these variables could explain 73 percent of dependent variables variance. Gender had highest direct and total effect on pattern of marriage.