Portrait Prime Minister
(Life span)
Term of office & mandate
Duration in years and days
Party Government Emperor
(Reign)
Prince
Fumimaro Konoe

近衞 文麿
(1891–1945)
4 June
1937
5 January
1939
None 34. Konoe I Shōwa

(1926–1989)
1 year and 216 days
Baron
Kiichirō Hiranuma

平沼 騏一郞
(1867–1952)
5 January
1939
30 August
1939
None 35. Hiranuma
238 days
Nobuyuki Abe
阿部 信行
(1875–1953)
30 August
1939
16 January
1940
Military
(Army)
36. N. Abe
140 days
Mitsumasa Yonai
米内 光政
(1880–1948)
16 January
1940
22 July
1940
Military
(Navy)
37. Yonai
189 days
Prince
Fumimaro Konoe

近衞 文麿
(1891–1945)
22 July
1940
18 October
1941
None 38. Konoe II
Taisei Yokusankai
1 year and 89 days 39. Konoe III
Hideki Tōjō
東條 英機
(1884–1948)
18 October
1941
22 July
1944
Taisei Yokusankai 40. Tōjō
1942
2 years and 279 days
Kuniaki Koiso
小磯 國昭
(1880–1950)
22 July
1944
7 April
1945
Taisei Yokusankai 41. Koiso
260 days
Baron
Kantarō Suzuki

鈴木 貫太郞
(1868–1948)
7 April
1945
17 August
1945
Taisei Yokusankai 42. K. Suzuki
133 days None
Prince
Naruhiko Higashikuni

東久邇宮稔彦王
(1887–1990)
17 August
1945
9 October
1945
Imperial Family 43. Higashikuni
54 days
Baron
Kijūrō Shidehara

幣原 喜重郞
(1872–1951)
9 October
1945
22 May
1946
Progressive 44. Shidehara
226 days
Shigeru Yoshida
吉田 茂
(1878–1967)
22 May
1946
24 May
1947
1946 Liberal 45. Yoshida I
1 year and 3 days
Tetsu Katayama
片山 哲
Rep for Kanagawa 3rd
(1887–1978)
24 May
1947
10 March
1948
1947 Socialist 46. Katayama
292 days
Hitoshi Ashida
芦田 均
Rep for Kyōto 2nd
(1887–1959)
10 March
1948
15 October
1948
Democratic 47. Ashida
220 days
Shigeru Yoshida
吉田 茂
Rep for Kōchi At-large
(1878–1967)
15 October
1948
10 December
1954
Democratic Liberal 48. Yoshida II
1949 49. Yoshida III
Liberal
1952 50. Yoshida IV
1953 51. Yoshida IV
6 years and 57 days
Ichirō Hatoyama
鳩山 一郎
Rep for Tokyo 1st
(1883–1959)
10 December
1954
23 December
1956
Democratic 52. Hatoyama I. I
1955 53. Hatoyama I. II
Liberal Democratic 54. Hatoyama I. III
2 years and 14 days
Tanzan Ishibashi
石橋 湛山
Rep for Shizuoka 2nd
(1884–1973)
23 December
1956
25 February
1957
Liberal Democratic 55. Ishibashi
65 days
Nobusuke Kishi
岸 信介
Rep for Yamaguchi 2nd
(1896–1987)
25 February
1957
19 July
1960
Liberal Democratic 56. Kishi I
1958 57. Kishi II
3 years and 146 days
Hayato Ikeda
池田 勇人
Rep for Hiroshima 2nd
(1899–1965)
19 July
1960
9 November
1964
Liberal Democratic 58. Ikeda I
1960 59. Ikeda II
1963 60. Ikeda III
4 years and 114 days