ANALYSIS OF INTERNAL MIGRATION FLOWS IN IRAN DURING THE PERIOD 1385-1390

Migration is the main causes of population change and the most important external factor influencing the number and structure of the population. Attention, understanding and careful analysis of the migration process in different regions of a country and consequently estimate the population size and age and sexual structure orientation in the future of the region, to meetthe needs of future generations, can make a plan to achieve greater executive power. In this study, internal migration flows in the period 1385-1390 is examined. The research methodis secondary analysis of data from General Population and Housing Census of 1390. Results of the study shows that of a total of 5534666 people been displaced within the country's borders, 92 percent of them, their previous residential places were inside the country. Of the total number of internal migration were, 60/3 percent from town to town, 12/87 percent from villages to towns, 14/84percent from towns to villages, and 7/24 percent from villages to villages and 0٫99 percent not to mention their previous residence. The migrants abroad and arrived in Tehran province are ranked first. During thisperiod, Alborz Province (4٫12), Semnan (2٫99), Bushehr (2٫52), Yazd (2٫51) had the highest net annual migration and Lorestan (2٫06), Kermanshah (1٫99), Chaharmahal and Bakhtiari (1٫89), Sistan and Baluchestan (1٫35) had the lowest ratio of annual net migration. During this period, the lowest proportion of immigrants in the province of Kermanshah (-286), and the highest ratio is in Alborz province (1830).