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An Analysis on Studies of Population Developments of Ardabil City Original Article, D47 EbrhaimzadehAsmin H. J. Civil Eng. Urban. 4(3): 305-314. 2014 ABSTRACT: Studying a society’s Population changes is important for any planning. Since all eco-social planning are designed due to the society’s requirements and demands and so all of eco-social aspects of these planning are in relation to population statistics and population structure characteristics. The paper has been written about studying population changes in Ardabil city; herein, these changes and their reasons of existence are exactly assessed and analyzed so that a suitable field for appropriate planning in future could be provided. On this base, methodology of this paper is descriptive-analytical and quantitative. The main obtained results indicated that the population growth rate of this city except of 80s was approximately even. Ardabil city is about to experience a population transition and its population go toward adultery. Population density in this city hasn’t been dispersed evenly and therefore several city regions have the highest density. In this case study, fertility and birth rates are high on one hand and on the other hand, mortality rate is low. Sex ratio, in this city, has lower trend and also proportion of male to female figures is to decline. Literate estate is not suitable among women. And the last point that employers’ ratio has and will have declined, which is why the percentage of unemployed people have a high trend. Keywords: Population Change; Planning; Statistics; Population Structure; Ardabil city منبع: [Hidden Content] دانلود: [Hidden Content].,%204%20(3)%20305-314,%202014.pdf J. Civil Eng. Urban., 4 (3) 305-314, 2014.pdf