COMPARING THE EFFECTS OF SECOND DEMOGRAPHIC TRANSITION IN2 AND18 MUNICIPAL DISTRICTS OF TEHRAN
Abstract. The aim of this study was to compare the aspects of demographic transition in 2nd municipal district of Tehran (representative of life from average up to high level) and 18nd(representative of life fromaverage tolower level) in Tehran. This study iscross-survey in nature of purpose and application and the method of data collectionis fieldstudy. Thestatisticalpopulation consisted of 384 married women in Tehran (zone 2 and zone 18) chosen by simple random sampling method Reliability was measured by formal validity and the method of Cronbach's alpha was used To evaluate the Validity andits amount for all variables (both independent and interdependent) has been accepted.the findings revealed that the 2 nd district experienced the demographic transition sooneras the 18nd district has started this process but with a slow rate in comparison with 2 nd district population ,In other words both 2 nd and 18nd district entered a transitional stage from mandatory components of marriage and willingness to divorce aspects while the differences are in the rate and the speed of process activating and the speed of the second demographic transition of components between the two regionso evident that If we can say that the 2 nd district has experienced second transition. Given the religious nature of the country and the lack of accurate statistics about the number of children from sexoutside of marriage, abortion and so on (which are signs of change in family structure as elements of the demographic transition) cannot properly analyze the main causes and factors of demographic transition , but a lower index of TFR under the succession in recent years as a sign of decline in births in the population pyramid, is important for researchers to carry out research in the field of demographictransition variables without official statistics and addressing local causes of this phenomenon in the country and help government and policymakers in planning based on the country'spopulation.Key words: fertility, the demographic transition, married women, 2 nd and 18 th municipality district in Tehran