Akihito is the current Emperor of Japan; Naruhito, Crown Prince of Japan, stands as next in line to the Chrysanthemum Throne.Japan’s legislative organ is the National Diet, seated in Chiyoda, Tokyo. The Diet is a bicameral body, consisting of a House of Representatives with 480 seats, elected by popular vote every four years or when dissolved, and a House of Councillors of 242 seats, whose popularly elected members serve six-year terms.