Prime Minister of Japan

This could use a general introductory paragraph. Post 1987 data needs to be filled in too.

1 [Ito Hirobumi]? (r. 1885-1888)
2 [Kuroda Kiyotaka]? (r. 1888-1889)
3 [Yamagata Aritomo]? (r. 1889-1891, 1898-1900)
4 [Matsukata Masayoshi]? (r. 1896-1898, 1896-1898)
5 [Ito Hirobumi]? (r. 1892-1896, 1898, 1900-1901)
6 [Okuma Shigenobu]? (r. 1898, 1914-1916)
7 [Katsura Taro]? (r. 1901-1906, 1908-1911)
8 [Saionji Kimmochi]? (r. 1906-1908, 1911-1912)
9 [Yamamoto Gonnohyoe]? (r. 1913-14, 1923-1924)
10 [Terauchi Masatake]? (r. 1916-1918)
11 [Hara Takashi]? (r. 1918-1921)
12 [Takahashi Korekiyo]? (r. 1921-1922)
13 [Kato Tomosaburo]? (r. 1922-1923)
14 [Kiyoura Keigo]? (r. 1924)
15 [Kato Takaaki]? (r. 1924-1926)
16 [Wakatsuki Rejiro]? (r. 1926-1927, 1931)
17 [Tanaka Giichi]? (r. 1927-1929)
18 [Hamaguchi Osachi]? (r. 1929-1931)
19 [Inukai Tsuyoshi]? (r. 1931-1932)
10 [Saito Makoto]? (r. 1932-1934)
21 [Okada Keisuke]? (r. 1934-1936)
22 [Hirota Koki]? (r. 1936-1937)
23 [Hayashi Senjuro]? (r. 1937)
24 Konoe Fumimaro (r. 1937-1939, 1940-1941)
25 [Hiranuma Kiichiro]? (r. 1939)
26 [Abe Nobuyuki]? (r. 1939-1940)
27 [Yonai Mistumasa]? (r. 1940)
28 Tojo Hideki (r. 1941-1944)
29 [Koiso Kuniaki]? (r. 1944-1945)
30 [Suzuki Kantaro]? (r. 1945)
31 [Higashikuni Naruhiko]? (r. 1945)
32 [Shidehara Kijuro]? (r. 1945-1946)
33 [Yoshida Shigeru]? (r. 1946-1947, 1948-1954
34 [Katayama Tetsu]? (r. 1947-1948)
35 [Ashida Hitoshi]? (r. 1948)
36 [Hatoyama Ichiro]? (r. 1954-1956)
37 [Ishibashi Tanzan]? (r. 1956-1957)
38 [Kishi Nobusuke]? (r. 1957-1960)
39 [Ikedo Hayato]? (r. 1960-1964)
40 [Sato Eisaku]? (r. 1964-1972)
41 [Tanaka Kakuei]? (r. 1972-1974)
42 [Miki Takeo]? (r. 1974-1976)
43 [Fukuda Takeo]? (r. 1976-1978)
44 [Ohira Masayoshi]? (r. 1978-1980)
45 [Suzuki Zenko]? (r. 1980-1982)
46 [Nakasone Yasuhiro]? (r. 1982-1987)
47 [Takeshita Noboru]? (r. 1987-?

Kaifu Toshiki (r. 1989 - 1991)