Introduction: relatively young population of Iran , experiencing difficulties due to the Imposed War, embargos, and immigration to Tehran looking for a job, show the necessity of this research which is concerning the frequency and severity of psychopathology in unemployed young men of Tehran.

  Method: It has been a causal - comparative research. 229 employed and 248 unemployed 25-35 years old men in Tehran, were selected according to their ages, educations, and marital status, data has been gathered by using demographic questionnaire and SCL-90-R software Raw . Numbers and the means of the employed and unemployed groups were compared by "t -student". For evaluating the amount of severity and frequency of symptoms, "Chi- square", were used .The mean of the 9 dimensions and 3 general indices GSI, PST, and PSDI between two groups were compared.

  Findings: The mean values of all 9 dimensions of SCL-90-R and 3 general indices in unemployed group were significantly higher than the employed (p<0.95).The highest rate in the unemployed: obsession–compulsion scale (1.29), their lowest: 0.57 (sensitivity in reciprocal relations). The highest mean in the employed: obsession–compulsion scale (0.97) and their lowest in sensitivity in reciprocal relations scale(0.46).The frequency of psychopathological symptoms in the unemployed was 32%,and in the employee was 0.27. Severity of psychopathology in unemployed men were significantly more than employees.