Nigeria has a large population of over 120million people.its made up of various commercial cities,namely-lagos,benin,kano,ibadan,portharcout,and ABUJA.to meet the needs of the various cities,various public utilities have been put in place.presently,there is availability of modern airports,telecommunication,good roads and portable drinking water,to mention but a few.Electricity supply at the moment is not stable but effort have been made by the democratic govt to improve on this.Nigeria is a growing economy .