Abstract. In this paper after defining the vulnerable youth and showing their general social and demographic characteristics, direction and extent of probability to become vulnerable in effect of some personal and household factors is investigated by using a probit model, with a gender approach. Accordingly, the data resulted from the Statistical Center of Iran's Labor Force Survey has been used.

The results show that 15-29 years old youth, youth in rural area and youth in households with low level of socio-economic and cultural place are more exposed to vulnerability. The situation of young women is worse than that for young men.