After legislating the rules on children’s rights and focusing on their citizen’s rights since1980 s ,children’s cooperative participation has been considered by urban designers and planners .Participation in design process of urban spaces let children to be shared in creating their life’s spaces and making their environment proportional to their opinions and ideas. Since children have their unique physical ,mental and personality characteristics ,their participation process will be defined proportionally to their settings in the society .The aim of this research is to investigate the experiences of administrative projects on children’s participation in the process of urban spaces design in Iran and in the world ,so in this way ,the practical principles could be suggested for regulating the process of children’s cooperative participation in Iran’s society .The research method in this article is descriptive – analytic. The article has assessed the approach and process of children’s participation in designing urban spaces in Iran and in the world ,and used library resources and reviewed the results of practical experiences. The results of the research show that focus on theoretical basics and principles of backup theory are not enough for planning the process of children’s participation .It is necessary to identify the effective factors in success or failure of children’s cooperative participation using administrative solutions of experiences in different societies and apply them to accomplish children participatory urbanism project in the process of urban spaces design in Iran.
)