In this article, the patterns of youth migration according to the level of development in the cities of Khorasan Razavi province have been studied. The research method is secondary analysis of 2011 census data. Findings show that the factors of finding a job, looking for a better job and job transfer and education have been the most important reasons for youth migration in the cities of Khorasan Razavi during the period.The counties of Khorasan Razavi province have a significant difference in terms of the quality level of immigrants and the quality level of immigrants in each city depends to a large extent on their level of development. Also, calculating the partial values of development indicators will have significant effects on reducing immigration in the counties of the province. Among these, the importance of the interaction effects of economic development index and agricultural development index with a value of 0.280 and the level of economic development with a value of 0.230, respectively, had more effects on the variance of net migration. The interactive effect of economic and infrastructure development on migration and population growth was also significant. Therefore, it can be said that improving the indicators of economic development, infrastructure and agriculture can play a significant role in curbing youth migration in the counties of Khorasan Razavi province. پرونده مقاله