The production, processing and distribution of information is fast becoming a major economic activity for many nations of the world. The basic idea of this study is that knowledge and information are becoming the strategic resources and transforming agents in the information society. The purpose of this study is to fulfil two major objectives with regard to the analysis of the information sector in the information society. (1) This study investigates an empirical study of the information sector both the information work force, and information goods and services of the selected nations. (2) It advances theoretical explanations of the major factors of the growth of the information sector, and develops a new classification model of the information society.