The present study deals with the changes in occupation of Baseri tribe in Iran as an impact of urbanization. This work includes a thick description about Baseri’s occupation in traditional and city life followed by critically analyzing changes in occupation pattern among them as a consequence of urbanization and modernization. The economic structure of the Baseri tribe is generally based on pastoralist agriculture. The pastoral economy of the Baseri depends on the utilization of extensive pastures and the Baseri invest labor in anything else than the care of animals to satisfy the immediate needs for comfort of the household members. It requires organized and systematic division of labor within the tribe. This study is essentially based on comparative approach of social-cultural anthropology and  development. Comparison is made to analyze the changes in traditional occupation during migration among Baseri in rural and urban settings. The primary data were collected through direct interview of 400 Baseri households in Marvdasht city of Iran. The findings of research show the impact of urbanization on Baseris occupation in urban life, and changes in nature of occupation of Baseri tribe. Today due to urbanization, development and adoption of modern life style the base of economy is changing.

Keyword: Urbanization; Occupation; Economic organization; Baseri tribe.