Effects of Expansion of Cities on Population Variables (Case study: Tehran)

In IranFollowing thachieving development,cities have expanded.In such condition,the migration process from villages to cities showed an increasing rate and in this process,modern cities like Tehran have been forced to accept a large number of migrants that immigrated to Tehran from their origins in seeking an improvement of their lives.Continuation of this process not only led to enlargement of cities in term of size,but also caused formation of new towns that has been continuing to this time.Therefore the process of replacement of individuals changed the population figure of Iran from majority rural to majority urban citizens.Based on the last statistics,this newly arrived population seeks jobs to earn livings;however as they lack sufficient specialty in undertaking urban jobs,they inevitably make the secondary jobs enlarged.This paper uses secondary analysis method to study enlargement of Tehran,formation of new cities in its margin as an impact of migration process and changes in population figure of Iran in the framework of increase in job seeking with emphasize on immigrants age and gender.
Keywords:Migration,expansion of cities,Tehran province,secondary jobs,rural majority,urban citizen majority