List of Japanese prime ministers by longevity

This is a list of Japanese prime ministers by longevity. It consists of Prime Ministers and Interim Prime Ministers of Japan who have held the office. If a Prime Minister served more than one non-consecutive term, the dates given are for the beginning of their first term, and the end of their last term.

To avoid confusion and maintain consistency, the name of the Prime Ministers are listed in the Western style (given name, family name). Where the person in question is still living, the longevity is calculated up to 7 December 2016.

Overview

The median age of a Prime Minister first taking office is 61 years and 2 months. This falls between Tomosaburō Katō and Keizō Obuchi. The youngest Prime Minister was the first, Hirobumi Itō, who took office at the age of 44 years, 67 days. The oldest Prime Minister to first take office was Kantarō Suzuki, who became Prime Minister at the age of 77 years, 79 days.

The oldest living Prime Minister is Yasuhiro Nakasone, born 27 May 1918 (age 98 years, 194 days). The youngest living former Prime Minister is Yoshihiko Noda, born 20 May 1957 (age 59 years, 201 days).

The longest-lived Prime Minister was Naruhiko Higashikuni, who died at the age of 102 years, 48 days. If the oldest living Prime Minister, Yasuhiro Nakasone (born 27 May 1918) lives to 13 July 2020, he will tie this record. The shortest-lived Prime Minister was Sanetomi Sanjō, who died at the age of 53 years and 352 days.

Longevity of Japanese prime ministers

#
 Prime Minister
 Date of birth
 Start date
of (first) term		 Age at beginning
of (first) term		 End date
of (final) term		 Total time
in office		 Date of death
 Lifespan
1 Hirobumi Itō 16 October 1841 22 December 1885 44 years, 67 days 10 May 1901 2,716 days 26 October 1909 24,846 days (68 years, 10 days)
2 Kiyotaka Kuroda 16 October 1840 30 April 1888 47 years, 197 days 18 September 1896 561 days 23 August 1900 21,860 days (59 years, 311 days)
3 Sanetomi Sanjō 13 March 1837 25 October 1889 52 years, 226 days 24 December 1889 60 days 28 February 1891 19,710 days (53 years, 352 days)
4 Aritomo Yamagata 14 June 1838 24 December 1889 51 years, 193 days 19 October 1900 1,208 days 1 February 1922 30,547 days (83 years, 232 days)
5 Masayoshi Matsukata 25 February 1835 6 May 1891 56 years, 70 days 12 January 1898 941 days 2 July 1924 32,634 days (89 years, 128 days)
6 Shigenobu Ōkuma 11 March 1838 30 June 1898 60 years, 111 days 9 October 1916 1,038 days 10 January 1922 30,620 days (83 years, 305 days)
7 Kinmochi Saionji 23 October 1849 10 May 1901 51 years, 199 days 21 December 1912 1,421 days 24 November 1940 33,269 days (91 years, 32 days)
8 Tarō Katsura 4 January 1848 2 June 1901 53 years, 149 days 20 February 1913 2,883 days 10 October 1913 24,020 days (65 years, 279 days)
9 Gonnohyōe Yamamoto 26 November 1852 20 February 1913 60 years, 86 days 7 January 1924 547 days 8 December 1933 29,596 days (81 years, 12 days)
10 Masatake Terauchi 5 February 1852 9 October 1916 64 years, 247 days 29 September 1918 720 days 3 November 1919 24,742 days (67 years, 271 days)
11 Takashi Hara 9 February 1856 29 September 1918 62 years, 232 days 4 November 1921[1] 1,132 days 4 November 1921 24,009 days (65 years, 268 days)
12 Kosai Uchida 17 November 1865 4 November 1921 55 years, 352 days 2 September 1923 18 days 12 March 1936 25,682 days (70 years, 116 days)
13 Korekiyo Takahashi 27 July 1854 13 November 1921 67 years, 109 days 26 May 1932 222 days 26 February 1936 29,798 days (81 years, 214 days)
14 Tomosaburō Katō 22 February 1861 12 June 1922 61 years, 110 days 24 August 1923[2] 438 days 24 August 1923 22,827 days (62 years, 183 days)
15 Keigo Kiyoura 14 February 1850 7 January 1924 73 years, 327 days 11 June 1924 156 days 5 November 1942 33,866 days (92 years, 264 days)
16 Takaaki Katō 3 January 1860 11 June 1924 64 years, 160 days 28 January 1926[2] 596 days 28 January 1926 24,131 days (66 years, 25 days)
17 Reijirō Wakatsuki 21 March 1866 28 January 1926 59 years, 313 days 13 December 1931 690 days 20 November 1949 30,559 days (83 years, 244 days)
18 Giichi Tanaka 22 June 1864 20 April 1927 62 years, 302 days 2 July 1929 804 days 29 September 1929 23,839 days (65 years, 99 days)
19 Osachi Hamaguchi 1 April 1870 2 July 1929 59 years, 92 days 14 April 1931 535 days 26 August 1931 22,426 days (61 years, 147 days)
20 Kijūrō Shidehara 11 August 1872 14 November 1930 58 years, 95 days 22 May 1946 341 days 10 March 1951 28,699 days (78 years, 211 days)
21 Tsuyoshi Inukai 20 April 1855 13 December 1931 76 years, 237 days 15 May 1932[1] 154 days 15 May 1932 28,149 days (77 years, 25 days)
22 Makoto Saitō 27 October 1858 26 May 1932 73 years, 212 days 8 July 1934 773 days 26 February 1936 28,245 days (77 years, 122 days)
23 Keisuke Okada 20 January 1868 8 July 1934 66 years, 169 days 9 March 1936 607 days 7 October 1952 30,941 days (84 years, 261 days)
24 Fumio Gotō 7 March 1884 26 February 1936 51 years, 356 days 29 February 1936 3 days 1 May 1980 35,118 days (96 years, 55 days)
25 Kōki Hirota 14 February 1878 9 March 1936 58 years, 24 days 2 February 1937 330 days 23 December 1948 25,879 days (70 years, 313 days)
26 Senjūrō Hayashi 23 February 1876 2 February 1937 60 years, 345 days 4 June 1937 122 days 4 February 1943 24,452 days (66 years, 346 days)
27 Fumimaro Konoe 12 October 1891 4 June 1937 45 years, 235 days 18 October 1941 1,033 days 16 December 1945 19,788 days (54 years, 65 days)
28 Kiichirō Hiranuma 28 September 1867 5 January 1939 71 years, 99 days 30 August 1939 237 days 22 August 1952 31,009 days (84 years, 329 days)
29 Nobuyuki Abe 24 November 1875 30 August 1939 63 years, 279 days 16 January 1940 139 days 7 September 1953 28,411 days (77 years, 287 days)
30 Mitsumasa Yonai 2 March 1880 16 January 1940 59 years, 320 days 22 July 1940 188 days 20 April 1948 24,885 days (68 years, 49 days)
31 Hideki Tōjō 30 December 1884 18 October 1941 56 years, 292 days 22 July 1944 1,008 days 23 December 1948 23,368 days (63 years, 359 days)
32 Kuniaki Koiso 22 March 1880 22 July 1944 64 years, 122 days 7 April 1945 259 days 3 November 1950 25,792 days (70 years, 226 days)
33 Kantarō Suzuki 18 January 1868 7 April 1945 77 years, 79 days 17 August 1945 132 days 17 April 1948 29,309 days (80 years, 90 days)
34 Naruhiko Higashikuni 3 December 1887 17 August 1945 57 years, 257 days 9 October 1945 53 days 20 January 1990 37,303 days (102 years, 48 days)
35 Shigeru Yoshida 22 September 1878 22 May 1946 67 years, 242 days 10 December 1954 2,614 days 20 October 1967 32,534 days (89 years, 28 days)
36 Tetsu Katayama 28 July 1887 24 May 1947 59 years, 300 days 10 March 1948 291 days 30 May 1978 33,178 days (90 years, 306 days)
37 Hitoshi Ashida 15 November 1887 10 March 1948 60 years, 116 days 15 October 1948 219 days 20 June 1959 26,149 days (71 years, 217 days)
38 Ichirō Hatoyama 1 January 1883 10 December 1954 71 years, 343 days 23 December 1956 744 days 7 March 1959 27,823 days (76 years, 65 days)
39 Tanzan Ishibashi 25 September 1884 23 December 1956 72 years, 89 days 31 January 1957 39 days 25 April 1973 32,353 days (88 years, 212 days)
40 Nobusuke Kishi 13 November 1896 31 January 1957 60 years, 79 days 19 July 1960 1,265 days 7 August 1987 33,138 days (90 years, 267 days)
41 Hayato Ikeda 3 December 1899 19 July 1960 60 years, 229 days 9 November 1964 1,574 days 13 August 1965 23,994 days (65 years, 253 days)
42 Eisaku Satō 27 March 1901 9 November 1964 63 years, 227 days 7 July 1972 2,797 days 3 June 1975 27,096 days (74 years, 68 days)
43 Kakuei Tanaka 4 May 1918 7 July 1972 54 years, 64 days 9 December 1974 885 days 16 December 1993 27,620 days (75 years, 226 days)
44 Takeo Miki 17 March 1907 9 December 1974 67 years, 267 days 24 December 1976 746 days 4 November 1988 29,818 days (81 years, 232 days)
45 Takeo Fukuda 14 January 1905 24 December 1976 71 years, 345 days 7 December 1978 713 days 5 July 1995 33,044 days (90 years, 172 days)
46 Masayoshi Ōhira 12 March 1910 7 December 1978 68 years, 270 days 12 June 1980[2] 553 days 12 June 1980 25,660 days (70 years, 92 days)
47 Masayoshi Ito 15 December 1913 12 June 1980 66 years, 180 days 17 July 1980 35 days 20 May 1994 29,376 days (80 years, 156 days)
48 Zenko Suzuki 11 January 1911 17 July 1980 69 years, 188 days 27 November 1982 863 days 19 July 2004 34,158 days (93 years, 190 days)
49 Yasuhiro Nakasone 27 May 1918 27 November 1982 64 years, 184 days 6 November 1987 1,805 days 35,989 days (98 years, 194 days)
50 Noboru Takeshita 26 February 1924 6 November 1987 63 years, 253 days 3 June 1989 575 days 19 June 2000 27,893 days (76 years, 114 days)
51 Sōsuke Uno 27 August 1922 3 June 1989 66 years, 280 days 10 August 1989 68 days 19 May 1998 27,659 days (75 years, 265 days)
52 Toshiki Kaifu 2 January 1931 10 August 1989 58 years, 220 days 5 November 1991 817 days 31,386 days (85 years, 340 days)
53 Kiichi Miyazawa 8 October 1919 5 November 1991 72 years, 28 days 9 August 1993 643 days 28 June 2007 32,040 days (87 years, 263 days)
54 Morihiro Hosokawa 14 January 1938 9 August 1993 55 years, 207 days 28 April 1994 262 days 28,817 days (78 years, 328 days)
55 Tsutomu Hata 24 August 1935 28 April 1994 58 years, 247 days 30 June 1994 63 days 29,691 days (81 years, 105 days)
56 Tomiichi Murayama 3 March 1924 30 June 1994 70 years, 119 days 11 January 1996 560 days 33,882 days (92 years, 279 days)
57 Ryutaro Hashimoto 29 July 1937 11 January 1996 58 years, 166 days 30 July 1998 931 days 1 July 2006 25,174 days (68 years, 337 days)
58 Keizō Obuchi 25 June 1937 30 July 1998 61 years, 35 days 5 April 2000 615 days 14 May 2000 22,969 days (62 years, 324 days)
59 Yoshirō Mori 14 July 1937 5 April 2000 62 years, 266 days 26 April 2001 386 days 29,001 days (79 years, 146 days)
60 Junichiro Koizumi 8 January 1942 26 April 2001 59 years, 108 days 26 September 2006 1,979 days 27,362 days (74 years, 334 days)
61 Shinzō Abe 21 September 1954 26 September 2006 52 years, 5 days Incumbent 1,807 days 22,723 days (62 years, 77 days)
62 Yasuo Fukuda 16 July 1936 26 September 2007 71 years, 72 days 24 September 2008 364 days 29,364 days (80 years, 144 days)
63 Taro Aso 20 September 1940 24 September 2008 68 years, 4 days 16 September 2009 357 days 27,837 days (76 years, 78 days)
64 Yukio Hatoyama 11 February 1947 16 September 2009 62 years, 217 days 8 June 2010 265 days 25,502 days (69 years, 300 days)
65 Naoto Kan 10 October 1946 8 June 2010 63 years, 237 days 2 September 2011 451 days 25,626 days (70 years, 58 days)
66 Yoshihiko Noda 20 May 1957 2 September 2011 54 years, 105 days 26 December 2012 481 days 21,561 days (59 years, 201 days)
# Prime Minister Date of birth Start date
of (first) term		 Age at beginning
of (first) term		 End date
of (final) term		 Total time
in office		 Date of death Lifespan
  1. 1 2 Died in office (assassinated).
  2. 1 2 3 Died in office (not assassinated).

References

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