Abstract
Information development means the degree to which information activies are diffused, well-organized, and effective in the socio-economic activities. In this paper, the synthetic characteristic indicators of the information development are presented by the principal components analysis. Based on the indicators, the process of the information development in a developing region like shanghai city of China and a developed region like Japan is analysed. The impact of the information development on the economical development is evaluated. Comparing the indicators of Shanghai with those of Japan, the big difference between them is pointed out.
