5G is being discussed and developed related to almost all areas of information and communications of the future. The Internet is evolving from human-to-human communications to machine to machine communications, which resulted in Internet of Things (IoT). IoT will drastically reshape the framework of business, industries, administration, and many other areas of the society. This article reviews trends in Global ICT and clarifies that 5G is a kind of goal in many ways in research and development on ICT. It describes the expected 5G images and discusses the issues in realization and in deployment as an infrastructure.