In many studies, vvhich are concerned with the countries and regions in Turkey, quite a few socio-economic vari-ables are used to point out the differences in countries and regions. When the variables are defıned, the determina-tion of which variables are the source of the differences between countries or regions is important to show the gov-ernment aids and investments are vvhether efficiently used or not, or how effıciently they are used.The aim of this study is to analyze socio-economic variables by using "Factor Analysis", vvhich is a multivariate analysis method, to rank the countries in geographic regions in order to their development ranking and to notice the effîcient-source-using countries in the obtained ranking. Therefore efficient countries are defined and their refer-encing attribute to the other countries in the nation is established.in this paper, socio-econömic variables, vvhich are thought to be representing development ranking of 81 countries in 7 geographic regions, are chosen and the analysis is done with the latest available data. The data used in analysis are obtained from the databases and publishes of State Institute of Statistics (SIS) and State Planning Organization.