Shōwa
Reign25 December 1926 – 7 January 1989
Enthronement10 November 1928
PredecessorTaishō
SuccessorAkihito
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