Japan has a population of about 127 million people. Japan consists of 5 main groups of islands; Hokkaido, Honshu, Shikoku, Kyushu, and Okinawa. It is separated into 47 prefectures and roughly 10% of the entire population of Japan resides in its capital, Tokyo. The center of business is first in Tokyo, and following, Osaka and Fukuoka are also well known.