Immigration is one of the four factors of population transformation that incorporates time and geographical constraints on the basis of goals and motivation of human life both in place of origin and destination in a matter of structure and function. This study has analyzed socio-cultural, political and personal-family factors to international immigration. The present work is conducted in a quantitative exploratory method with a sample size of 370 returnees with a probable simple random sampling who are all living in Herat city. The questionnaire tool is used for data collection and SPSS for data analysis. The data are analyzed with the regression of each indicator of socio-cultural, political and personal-family factors as pulling factors to the international immigration. The findings indicate that the personalfamily factor with the most influential factor, political with the second influential factor, and socio-cultural as the third influential factor to the international immigration.