Shōwa
Reign | 25 December 1926 – 7 January 1989
Enthronement | 10 November 1928
Predecessor | Taishō
Successor | Akihito
Prime Ministers | See list Prewar period Giichi Tanaka Osachi Hamaguchi Reijirō Wakatsuki Tsuyoshi Inukai Takahashi Korekiyo (acting) Makoto Saitō Keisuke Okada Kōki Hirota Senjūrō Hayashi Fumimaro Konoe Kiichirō Hiranuma Nobuyuki Abe Mitsumasa Yonai Fumimaro Konoe Hideki Tōjō Kuniaki Koiso Kantarō Suzuki Higashikuni Naruhiko Postwar period: Kijūrō Shidehara Tetsu Katayama Hitoshi Ashida Shigeru Yoshida Ichirō Hatoyama Tanzan Ishibashi Nobusuke Kishi Hayato Ikeda Eisaku Satō Kakuei Tanaka Takeo Miki Takeo Fukuda Masayoshi Ōhira Masayoshi Itō (acting) Zenkō Suzuki Yasuhiro Nakasone Noboru Takeshita