Appraised the commercial bank sectorial allocation of loans and advances on economy growth of Nigeria.

The study was carried out to appraised the commercial bank sectorial allocation of loans and advances on economy growth of Nigeria.  The economy of any country consist of sectors these sectors include industrial transport, agricultural, mineral production, manufacturing sector etc. All sectors of the economy work in an inter-related and inter-dependent whole. The objective of the study is to econometrically determine the contribution of commercial bank through loan and advances to the three tier of the economy, to examine how commercial bank loan led to increase in the economy growth.  Secondary data ways used as a method of collecting data and the data was sourced from CBN bulletin for the period between 2005-2014. Data analysis was done using in table presentation and the data collected was analyzed and the test of the hypotheses was carried out by multiple regressions with the help of SPSS a computer statistical package. The study find out that there are significant relationship between the commercial bank sectorial allocation of loan and the growth of the economy of Nigeria and it was recommended in the study that Commercial bank should allocate more loan and advance to the manufacturing sector, because the more loan and advance given to the manufacturing industry it will enable them to make use of some agricultural product for production that can benefit the economy.The commercial bank should allocate and extent it credit, loan and advance to the agricultural sector  targeting those petty farmer in the rural areas so has to help them in growing more farm produce because higher number of the agricultural produce are trace or hold by the local farmer.

Keywords:Commercial bank, loan and advances, gross domestic product, manufacturing, agriculture.