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Ymerodraeth Japan
(1868–1947)

Oes Meiji (1868–1912)	Itō Hirobumi (1885–88) Kuroda Kiyotaka (1888–89) Sanjō Sanetomi (1889) Yamagata Aritomo (1889–91) Matsukata Masayoshi (1891–92) Itō (1892–96) Kuroda Kiyotaka (dros dro; 1896) Matsukata (1896–98) Itō (1898) Ōkuma Shigenobu (1898) Yamagata (1898–1900) Itō (1900–01) Saionji Kinmochi (dros dro; 1901) Katsura Tarō (1901–06) Saionji Kinmochi (1906–08) Katsura (1908–11) Saionji (1911–12)
Oes Taishō (1912–26)	Katsura (1912–13) Yamamoto Gonnohyōe (1913–14) Ōkuma (1914–16) Terauchi Masatake (1916–18) Hara Takashi (1918–21) Uchida Kosai (dros dro; 1921) Takahashi Korekiyo (1921–22) Katō Tomosaburō (1922–23) Uchida (dros dro; 1923) Yamamoto (1923–24) Kiyoura Keigo (1924) Katō Takaaki (1924–26) Wakatsuki Reijirō (1926–27)
Oes Shōwa (1926–47)	Tanaka Giichi (1927–29) Osachi Hamaguchi (1929–31) Kijūrō Shidehara (dros dro; 1931) Wakatsuki (1931) Inukai Tsuyoshi (1931–32) Takahashi Korekiyo (dros dro; 1932) Saitō Makoto (1932–34) Keisuke Okada (1934–36) Fumio Gotō (dros dro; 1936) Kōki Hirota (1936–37) Senjūrō Hayashi (1937) Fumimaro Konoe (1937–39) Kiichirō Hiranuma (1939) Nobuyuki Abe (1939–40) Mitsumasa Yonai (1940) Konoe (1940–41) Hideki Tōjō (1941–44) Kuniaki Koiso (1944–45) Kantarō Suzuki (1945) Naruhiko Higashikuni (1945) Kijūrō Shidehara (1945–46) Shigeru Yoshida (1946–47)

Gwladwriaeth Japan
(ers 1947)

Oes Shōwa (1947–89)	Tetsu Katayama (1947–48) Hitoshi Ashida (1948) Yoshida (1948–54) Ichirō Hatoyama (1954–56) Tanzan Ishibashi (1956–57) Nobusuke Kishi (1957–60) Hayato Ikeda (1960–64) Eisaku Satō (1964–72) Kakuei Tanaka (1972–74) Takeo Miki (1974–76) Takeo Fukuda (1976–78) Masayoshi Ōhira (1978–80) Masayoshi Ito (dros dro; 1980) Zenkō Suzuki (1980–82) Yasuhiro Nakasone (1982–87) Noboru Takeshita (1987–89)
Oes Heisei (1989–2019)	Sōsuke Uno (1989) Toshiki Kaifu (1989–91) Kiichi Miyazawa (1991–93) Morihiro Hosokawa (1993–94) Tsutomu Hata (1994) Tomiichi Murayama (1994–96) Ryūtarō Hashimoto (1996–98) Keizō Obuchi (1998–2000) Yoshirō Mori (2000–01) Junichirō Koizumi (2001–06) Shinzō Abe (2006–07) Yasuo Fukuda (2007–08) Tarō Asō (2008–09) Yukio Hatoyama (2009–10) Naoto Kan (2010–11) Yoshihiko Noda (2011–12) Abe (2012–20)
Oes Reiwa (ers 2019)	Yoshihide Suga (2020–21) Fumio Kishida (ers 2021)