List of Sangdaedeung

The Sangdaedeung is the presiding officer and official representative of the Royal Council of Teiko. This is a list of Sangdaedeung from when the first Sangdaedeung (in the modern sense), Sanosuke Sagara, took office in 1870, until the present day. The office is currently held by Gin Ichimaru who was replaced outgoing and retiring Kensuke Fukui after the results of the 2015 general elections where the National Party maintained its majority. Ichimaru was elected on 28 September 2015.

List of Sangdaedeung

Socialist (11)   National (10)   Independent (7)   Kenseitō (8)   Innovation (6)   Democratic (5)   Rikken Seiyūkai (4)   Kokumin Dōmei (2)   Rikken Dōshikai (2)   Aikoku Kōtō (1)   Liberal (1)   Tōhōkai (1)
Name			Term of office			Election(s) (in brackets if unopposed) Council(s)		Party
No.	Portrait	Name	Took Office	Left office (+reason if not dissolution)	Duration (years and days)
1		Sanosuke Sagara 相楽 左之助 (1818-1905)	22 September 1870	18 March 1881	10 years and 168 days	(1870) (1873) (1875) 1879	1 2 3 4		None
2		Katsuhiro Tsukioka 月岡 津南 (1808-1886)	18 March 1881	4 April 1884	3 years and 28 days	1881	5		None
(1)		Sanosuke Sagara 相楽 左之助 (1818-1905)	4 April 1884	15 December 1886 (resignation)	2 years and 256 days	1884	6		None
3		Akira Kiyosato 清里 明 (1822-1901)	15 December 1886	28 March 1892	5 years and 105 days	1886 1888 (1890)	6 7 8		None
4		Hyoei Nishida 西田 兵衛 (1821-1895)	28 March 1892	8 April 1894 (resignation)	2 years and 12 days	1892	9		None
5		Yashiro Uchiha 団扇 矢白 (1836-1906)	8 April 1894	1 April 1896	1 year and 360 days	1894 1895	9 10		None
6		Makoto Shishio 志々雄 真実 (1836-1918)	1 April 1896	22 August 1900	4 years and 185 days	1896	11		Aikoku Kōtō
7		Cho Sawagejo 沢下条 張 (1839-1911)	22 August 1900	5 July 1903 (resignation)	2 years and 318 days	1900	12		Rikken Dōshikai
(1)		Sanosuke Sagara 相楽 左之助 (1818-1905)	5 July 1903	11 October 1905 (death)	2 years and 99 days	1903 1904	12 13		Kenseitō
During this interval, President Pro Tempore Shogo Amakusa (天草 翔伍 Amakusa Shōgo) presided over the Royal Council.
8		Aoshi Shinomori 四乃森 蒼紫 (1835-1916)	28 October 1905	1 September 1909 (resignation)	3 years and 309 days	1905 1907	13 14		Kenseitō
9		Myojin Yahiko 明神 弥彦 (1848-1929)	1 September 1909	22 October 1922	13 years and 52 days	1909 1910 1913 1915 1919	14 15 16 17 18		Kenseitō
10		Uonuma Usui 臼井 魚沼 (1855-1933)	22 October 1922	11 December 1922 (resignation)	51 days	Oct 1922	19		Democratic
11		Kambei Shimada 島田 環平 (1852-1931)	11 December 1922	19 April 1923 (resignation)	130 days	Dec 1922	19		Democratic
12		Seigen Irako 伊良子 清玄 (1856-1940)	19 April 1923	4 August 1923 (resignation)	108 days	Apr 1923	19		Democratic
13		Shinsuke Takasugi 高杉 晋助 (1858-1928)	4 August 1923	22 December 1925	2 years and 141 days	Aug 1923	19		Democratic
14		Heishiro Mitsurugi 御剣 平四郎 (1861-1938)	22 December 1925	11 May 1927	1 year and 141 days	1925	20		Rikken Seiyūkai
15		Muneakira Yagyu 柳生 宗発 (1864-1939)	11 May 1927	22 February 1929 (resignation)	3 years and 288 days	1927	21		Kenseitō
16		Kyogo Mibu 壬生 亨梧 (1866-1944)	22 February 1929	11 October 1930	1 year and 232 days	1929	21		Rikken Dōshikai
17		Noboyuki Akashi 赤司 伸行 (1876-1952)	11 October 1930	25 August 1933	2 years and 319 days	1930	22		Rikken Seiyūkai
18		Kojiro Kanemaki 鐘巻 小次郎 (1869-1929)	25 August 1933	13 October 1933 (resignation)	50 days	Aug 1933	23		Rikken Seiyūkai
19		Ryo Sanada 真田 遼 (1875-1937)	13 October 1933	8 January 1934 (resignation)	88 days	Oct 1933	23		Rikken Seiyūkai
(17)		Noboyuki Akashi 赤司 伸行 (1876-1952)	8 January 1934	15 May 1935	1 year and 128 days	1934	23		Rikken Seiyūkai
20		Keiichirou Akizuki 秋月 景一郎 (1879-1948)	15 May 1935	20 October 1936 (resignation)	1 year and 159 days	1935	24		Kenseitō
21		Genzaburou Inoue 井上 源三郎 (1875-1956)	20 October 1936	19 June 1938 (resignation)	1 year and 243 days	1936 1937	24 25		Kenseitō
22		Naoshi Kanno 菅野 直 (1879-1954)	19 June 1938	18 March 1939 (resignation)	273 days	1938	25		Kenseitō
23		Kosame Isshiki 一色 小雨 (1882-1949)	18 March 1939	10 December 1940	1 year and 268 days	1939	25		Kenseitō
24		Kyuuju Amagiri 天霧 九寿 (1869-1941)	10 December 1940	8 October 1941 (death)	303 days	1940	26		Democratic
During this interval, President Pro Tempore Neji Hyuga (日向 捻子 Hyūga Neji) presided over the Royal Council.
25		Tajima Uchiha 団扇 但馬 (1885-1942)	25 October 1941	16 March 1942 (death)	143 days	1941	26		None
During this interval, President Pro Tempore Jubei Anzai (安斎 十兵衛 Anzai Jubei) presided over the Royal Council.
26		Jinbei Tsukishima 月島 仁兵衛 (1886-1943)	25 March 1942	22 April 1943 (death)	1 year and 29 days	(1942)	27		Tōhōkai
During this interval, President Pro Tempore Jubei Anzai (安斎 十兵衛 Anzai Jubei) presided over the Royal Council.
27		Jubei Anzai 安斎 十兵衛 (1882-1971)	9 May 1943	8 August 1944 (resignation)	1 year and 92 days	1943	28		Kokumin Dōmei
28		Hashirama Senju 千手 柱間 (1885-1982)	8 August 1944	30 April 1945 (resignation)	266 days	1944	28		Kokumin Dōmei
29		Keiji Maeda 前田 慶次 (1901-1991)	30 April 1945	15 October 1945	169 days	(Apr 1945)	28		None
30		Madara Uchiha 団扇 真鱈 (1891-1974)	15 October 1945	20 November 1950	5 years and 37 days	Oct 1945 1948	29 30		Socialist
31		Heihachi Hayashida 林田 平八 (1887-1981)	20 November 1950	12 September 1951 (resignation)	297 days	1950	31		Socialist
32		Susumu Yamazaki 山崎 烝 (1888-1975)	12 September 1951	20 November 1953	2 years and 70 days	1951	31		Socialist
33		Raikou Shimizu 清水 雷光 (1884-1972)	20 November 1953	20 November 1955 (resignation)	2 years and 1 day	1953 Oct 1955	32 33		Socialist
34		Yoichi Karasuma 烏丸 与一 (1900-2001)	20 November 1955	14 September 1958	2 years and 299 days	Nov 1955	33		Socialist
35		Shikaemon Kirigakure 霧隠 歯科衣紋 (1901-1992)	14 September 1958	14 August 1967	8 years and 335 days	1958 1961 1964	34 35 36		Socialist
36		Masakazu Miwa 三輪 正和 (1909-1981)	14 August 1967	5 August 1970	2 years and 357 days	1967	37		Innovation
37		Kagetoki Kariya 仮屋 影刻 (1915-1970)	5 August 1970	24 August 1970 (death)	20 days	Aug 1970	38		Innovation
During this interval, President Pro Tempore Yoruichi Shihouin (四楓院 夜一 Shihōin Yoruichi) presided over the Royal Council.
38		Masakage Yamagata 山形 優景 (1922-2012)	9 September 1970	18 October 1973	3 years and 56 days	Sep 1970	38		Innovation
39		Ryuunosuke Akashi 赤司 龍之介 (1919-2014)	18 October 1973	29 November 1975	2 years and 43 days	1973	39		Socialist
40		Kageie Kakizaki 柿崎 景家 (1921-2018)	29 November 1975	22 March 1977 (resignation)	1 year and 114 days	1975	40		Socialist
41		Sozo Sagara 相楽 総三 (1916-1999)	22 March 1977	15 August 1981	4 years and 147 days	1977 1978	40 41		Socialist
42		Masanobu Kosaka 高坂 昌信 (1912-1995)	15 August 1981	12 October 1982 (resignation)	1 year and 59 days	1981	42		Innovation
43		Kojuro Katakura 片倉 小十郎 (1926-2002)	12 October 1982	18 April 1983	189 days	1982	42		Innovation
44		Sensui Kanzaki 神崎 千水 (1923-1983)	18 April 1983	29 August 1983 (death)	134 days	Apr 1983	43		Liberal
During this interval, President Pro Tempore Danzo Shimura (志村 ダンゾウ Shimura Danzō) presided over the Royal Council.
45		Akihiro Shimazu 島津 秋弘 (1920-1995)	16 September 1983	15 April 1984 (resignation)	213 days	Sep 1983	43		Socialist
46		Nobunobu Hitotsubashi 一橋 喜々 (1914-1984)	15 April 1984	22 June 1984 (death)	39 days	Apr 1984	43		Innovation
During this interval, President Pro Tempore Shisui Uchiha (団扇 止水 Uchiha Shisui) presided over the Royal Council.
47		Shisui Uchiha 団扇 紫粋 (1929-2020)	30 June 1984	22 October 1985	1 year and 115 days	Jun 1984	43		Socialist
48		Kouga Hachirou 甲賀 八郎 (1931-2008)	22 October 1985	31 July 1987	1 year and 283 days	1985	45		National
49		Nagito Komaeda 狛枝 凪斗 (b. 1939)	31 July 1987	20 September 1990	3 years and 53 days	1986	46		National
50		Makoto Naegi 苗木 誠 (b. 1940)	21 September 1990	20 December 1992	2 years and 91 days	1990	47		National
51	File:Takashi Natsume Official.png	Takashi Natsume 貴志 夏目 (b. 1932)	20 December 1992	11 September 1998	5 years and 266 days	1992 1995	48 49		National
52		Hajime Hinata 日向 創 (1944-2001)	11 September 1998	8 August 2001 (death)	2 years and 332 days	1998	50		National
During this interval, President Pro Tempore Ashitarō Hasegawa (長谷川 悪太郎 Hasegawa Ashitarō) presided over the Royal Council.
53		Ryota Mitarai 御手洗 亮太 (b. 1948)	18 August 2001	28 October 2004	3 years and 72 days	2001	51		National
54		Leon Fuwata 桑田 怜恩 MRC for Rakuzan 3rd (b. 1948)	28 October 2004	11 April 2009	4 years and 166 days	2004 2006	52 53		National
55		Yoshiyuki Kojima 小島 良由起 (b. 1952)	11 April 2009	31 August 2013	4 years and 143 days	2009 2011	54 55		National
56		Kensuke Fukui 福井 健介 MRC for Rakuzan 1st (b. 1957)	31 August 2013	28 September 2015	2 years and 29 days	2013	56		National
57		Gin Ichimaru 市丸 ギン MRC for Shizou (b. 1981)	28 September 2015	Incumbent	8 years and 356 days	2015 2018 2021	57 58 59		National

Timeline

Length of tenure

Notable lengths

15 years and 155 days:
Sanosuke Sagara
(1870–1881, 1903–1886, and 1903–1905)

13 years and 51 days:
Myojin Yahiko
(1909–1922)

19 days:
Kagetoki Kariya (1970)

8 years and 334 days:
Shikaemon Kirigakure
(1958–1967)

Of the 57 Sangdaedeung, seven have served more than 5 years while sixteen have served less than a year. Sanosuke Sagara is the longest-serving Sangdaedeung, serving for over 15 years. He is also the Sangdaedeung that served the most Royal Councils and the only Sangdaedeung to serve three non-consecutive terms. Kagetoki Kariya is the shortest-serving Sangdaedeung, he died after just barely two weeks into office. Shikaemon Kirigakure is the longest serving post-war Sangdaedeung. Myojin Yahiko is the Sangdaedeung who holds the longest uninterrupted term.

Rank	Sangdaedeung	Party	Start of 1st Term	Councils	Tenure length	Reason for exit
1	Sanosuke Sagara	None/Kenseitō	1870	7	15 years and 155 days	Death
2	Myojin Yahiko	Kenseitō	1909	5	13 years and 51 days	Dissolution
3	Shikaemon Kirigakure	Socialist	1958	3	8 years and 334 days	Dissolution
4	Gin Ichimaru	National	2015	3	8 years and 65 days	Incumbent
5	Takashi Natsume	National	1992	2	5 years and 265 days	Dissolution
6	Akira Kiyosato	None	1886	3	5 years and 104 days	Dissolution
7	Madara Uchiha	Socialist	1945	2	5 years and 36 days	Dissolution
8	Makoto Shishio	Aikoku Kōtō	1896	1	4 years and 184 days	Dissolution
9	Yoshiyuki Kojima	National	2009	2	4 years and 142 days	Dissolution
10	Leon Fuwata	National	2004	2	4 years and 165 days	Dissolution
11	Sozo Sagara	Socialist	1977	2	4 years and 146 days	Dissolution
12	Noboyuki Akashi	Rikken Seiyūkai	1930	2	4 years and 80 days	Dissolution
13	Aoshi Shinomori	Kenseitō	1905	2	3 years and 308 days	Resignation
14	Muneakira Yagyu	Kenseitō	1927	1	3 years and 287 days	Resignation
15	Ryota Mitarai	National	2001	1	3 years and 71 days	Dissolution
16	Masakage Yamagata	Innovation	1970	1	3 years and 55 days	Dissolution
17	Nagito Komaeda	National	1987	1	3 years and 52 days	Dissolution
18	Katsuhiro Tsukioka	None	1881	1	3 years and 27 days	Dissolution
19	Masakazu Miwa	Innovation	1967	1	2 years and 356 days	Dissolution
20	Hajime Hinata	National	1998	1	2 years and 331 days	Death
21	Cho Sawagejo	Rikken Dōshikai	1900	1	2 years and 317 days	Resignation
22	Yoichi Karasuma	Socialist	1955	1	2 years and 298 days	Dissolution
23	Shinsuke Takasugi	Democratic	1923	1	2 years and 140 days	Dissolution
24	Makoto Naegi	National	1990	1	2 years and 90 days	Dissolution
25	Susumu Yamazaki	Socialist	1951	1	2 years and 69 days	Dissolution
26	Ryuunosuke Akashi	Socialist	1973	1	2 years and 42 days	Dissolution
27	Kensuke Fukui	National	2013	1	2 years and 28 days	Dissolution
28	Hyoei Nishida	None	1892	1	2 years and 11 days	Resignation
29	Raikou Shimizu	Socialist	1953	2	2 years and 0 days	Resignation
30	Yashiro Uchiha	None	1894	2	1 year and 359 days	Dissolution
31	Kouga Hachirou	National	1985	1	1 year and 282 days	Dissolution
32	Kosame Isshiki	Kenseitō	1939	1	1 year and 267 days	Dissolution
33	Genzaburou Inoue	Kenseitō	1936	2	1 year and 242 days	Resignation
34	Kyogo Mibu	Rikken Dōshikai	1929	1	1 year and 231 days	Dissolution
35	Heishiro Mitsurugi	Rikken Seiyūkai	1925	1	1 year and 140 days	Dissolution
36	Keiichirou Akizuki	Kenseitō	1935	1	1 year and 158 days	Resignation
37	Shisui Uchiha	Socialist	1984	1	1 year and 114 days	Dissolution
38	Kageie Kakizaki	Socialist	1975	1	1 year and 113 days	Resignation
39	Jubei Anzai	Kokumin Dōmei	1943	1	1 year and 91 days	Resignation
40	Masanobu Kosaka	Innovation	1981	1	1 year and 58 days	Resignation
41	Jinbei Tsukishima	Tōhōkai	1942	1	1 year and 28 days	Assassination
42	Kyuuju Amagiri	Democratic	1940	1	302 days	Assassination
43	Heihachi Hayashida	Socialist	1950	1	296 days	Resignation
44	Naoshi Kanno	Kenseitō	1938	1	272 days	Resignation
45	Hashirama Senju	Kokumin Dōmei	1944	1	265 days	Resignation
46	Akihiro Shimazu	Socialist	1983	1	212 days	Resignation
47	Keiji Maeda	None	1945	1	168 days	Dissolution
48	Tajima Uchiha	None	1941	1	142 days	Assassination
49	Sensui Kanzaki	Liberal	1983	1	133 days	Death
50	Kambei Shimada	Democratic	1922	1	129 days	Resignation
51	Kojuro Katakura	Innovation	1982	1	188 days	Dissolution
52	Seigen Irako	Democratic	1923	1	107 days	Resignation
53	Ryo Sanada	Rikken Seiyūkai	1933	1	87 days	Resignation
54	Uonuma Usui	Democratic	1922	1	50 days	Resignation
55	Kojiro Kanemaki	Rikken Seiyūkai	1933	1	49 days	Resignation
56	Nobunobu Hitotsubashi	Innovation	1984	1	38 days	Death
57	Kagetoki Kariya	Innovation	1970	1	19 days	Death

List of President Pro Tempore

National (7)
Name			Term of office			Appointment(s) Council(s)		Party
#	Portrait	Name	Took Office	Left office (+reason if not end of term)	Duration (years and days)
64		Retsu Unohana 卯ノ花 烈 (b. 1955)	22 September 2011	31 August 2013	1 year and 344 days	Sep 2011	55		National
65		Soi Fong 砕 蜂 MRC for Kotaro (b. 1969)	31 August 2013	8 December 2013 (resignation)	100 days	Aug 2013	56		National
66		Kojiro Furuhashi 古橋 康次郎	8 December 2013	2 August 2018 (resignation)	4 years and 238 days	Dec 2013 2015 2018	56 57		National
67		Shirou Emiya 衛宮 士郎 MRC for Hanji PR (b. 1980)	2 August 2018	27 December 2018	91 days	Aug 2018	57		National
68	File:Kei Kurono, 2018.png	Kei Kurono 玄野 計 MRC for Johto PR (b. 1986)	27 December 2018	6 September 2020 (resignation)	1 year and 312 days	Dec 2018	58		National
69		Kou Mabuchi 馬渕 洸 MRC for Hanji PR (b. 1968)	6 September 2020	29 November 2021	1 year and 85 days	2020	58		National
70		Raito Yagami 夜神 月 MRC for Rakuzan 2nd (b. 1969)	29 November 2021	Incumbent	2 years and 294 days	2021	59		National