Example image of eyePlorer eyePlorer map for 'Diet of Japan': Bicameralism Legislature House of Councillors House of Representatives of Japan Lower house Upper house Diet (assembly) Parallel voting Prime Minister of Japan Imperial Diet Meiji Constitution Constitution of Japan Chiyoda, Tokyo Nagatachō, Tokyo National Diet Building Age of majority Additional Member System Party-list proportional representation Plurality voting system Proportional representation Single non-transferable vote Elections in Japan Liberal Democratic Party (Japan) Hyōgo Prefecture Judicial review Osaka Prefecture Supreme Court of Japan Emperor of Japan Cabinet of Japan Royal Assent Speech from the throne Quorum Parliamentary privilege House of Lords Holy Roman Empire Latin Prussia Reichstag (institution) Westminster system Genrō Democracy Social Democratic Party (Japan) Ai Aoki Aiko Shimajiri Akihiko Yamamoto Akihiro Nishimura Akihiro Ohata Akiko Kamei Akiko Santo Akiko Yamanaka