Aggression is universal behavior that can be seen in all cultures and the most common behavioral problems in adolescence and young adulthood which can cause discomfort and distress of adolescents and young people and those around them. This research aim to survey of some social and individual factors influencing the tendency to aggression among youth in Deylam city. The methodology of this study was survey and used a questionnaire. Population of this study was all the youth in the city of Deylam and 400 persons determined as the sample group with using Lin table. The method of sampling was a multi-stage stratified random sampling. Validity and reliability were obtained using Cronbach's alpha and SPSS software for data analysis data were used. Stepwise regression analysis showed that socialization, alienation and frustration are the most influential factors on aggressiveness. Finally path analysis test showed that the effect of socialization and alienation variables, indirect as well as direct effect on the dependent variable. Manuscript profile