Japan has a population of over 127 million people and its capital and largest city is Tokyo. The official currency is the Japanese yen. Japan has a very literate population and uses three different alphabets in its writing system. It has a very well developed transportation network including railways and expressways. Japan has a highly developed economy and is focused on innovation and research and development. It aims to attract foreign investment through incentives and developing business friendly regulations. The energy sector is an area of focus as Japan imports fossil fuels and aims to increase renewable energy.