The aim of this paper is to examine efficiency scores for banking sector for thirteen countries.  The sample is selected to cover developed, developing, and emerging economies. Efficiency scores are projected through a nine–year pooled data for a representative sample of 117 observations covering different countries. Efficiency scores are estimated via Data Envelopment Analysis (DEA) technique using Input–orientation and output– orientation to determine banking system tendency. Inputs are assets, reserves, debt, number of branches, number of ATM, and excess reserves. Outputs are provided loans, deposits, FDI, money supply, and remittances.  Results disclose that there is a sort of great variation for efficiency scores within countries and within outputs owing to their pattern of development. Moreover, results show that most countries are input – oriented for solitary outputs. On the other hand, the gap between input – orientation and output–orientation for joint outputs is too low relative to individual outputs.