Prime Minister of Japan

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For a complete list of office holders, see List of Prime Ministers of Japan.
Prime Minister of Japan
Emblem of the Prime Minister of Japan.svg
Official Emblem
of the Prime Minister of Japan
Shinzō Abe at Hudson Institute (cropped).jpg
Shinzō Abe

since December 26, 2012
Style His Excellency
Residence Kantei
Appointer HIM The Emperor
Term length Since 1947: Four years or less. (The Cabinet shall resign en masse after a general election of members of the House of Representatives. Their term of office is four years which can be terminated earlier. No limits are imposed on the number of terms or tenures the Prime Minister may hold.) The Prime Minister is, by convention, the leader of the victorious party, though some prime ministers have been elected from junior coalition partners or minority parties.
Inaugural holder Itō Hirobumi
Formation December 22, 1885
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This article is part of a series on the
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The Prime Minister of Japan (内閣総理大臣 Naikaku-sōri-daijin or 首相 Shushō?) is the head of government of Japan. The Prime Minister is appointed by the Emperor of Japan after being designated by the National Diet and must enjoy the confidence of the House of Representatives to remain in office. He or she is the head of the Cabinet and appoints and dismisses the other Ministers of State. The literal translation of the Japanese name for the office is Minister for the Comprehensive Administration of (or the Presidency over) the Cabinet.


Prior to the adoption of the Meiji Constitution, Japan had in practice no written constitution. Originally, a Chinese-inspired legal system known as ritsuryō was enacted in the late Asuka period and early Nara period. It described a government based on an elaborate and rational meritocratic bureaucracy, serving, in theory, under the ultimate authority of the Emperor; although in practice, real power was often held elsewhere, such as in the hands of the Fujiwara clan, who intermarried with the Imperial Family in the Heian period, or by the ruling Shogun. Theoretically, the last ritsuryō code, the Yōrō Code enacted in 752, was still in force at the time of the Meiji Restoration.

Under this system, the Daijō-daijin (太政大臣?, Chancellor of the Realm)[1] was the head of the Daijō-kan (Department of State), the highest organ of Japan's pre-modern Imperial government during the Heian period and until briefly under the Meiji Constitution with the appointment of Sanjō Sanetomi in 1871. The office was replaced in 1885 with the appointment of Itō Hirobumi to the new position of Prime Minister,[2] four years before the enactment of the Meiji Constitution, which mentions neither the Cabinet nor the position of Prime Minister explicitly.[3][4] It took its current form with the adoption of the Constitution of Japan in 1947.

To date, 62 people have served this position. The current Prime Minister is Shinzō Abe, who re-took office on December 26, 2012. He is the first former Prime Minister to return to office since 1948, and the 6th longest serving member to date.


The Prime Minister is designated by both houses of the Diet, before the conduct of any other business. For that purpose, each conducts a ballot under the run-off system. If the two houses choose different individuals, then a joint committee of both houses is appointed to agree on a common candidate. Ultimately, however, if the two houses do not agree within ten days, the decision of the House of Representatives is deemed to be that of the Diet. Therefore, the House of Representatives can theoretically ensure the appointment of any Prime Minister it wants.[5] The candidate is then presented with their commission, and formally appointed to office by the Emperor.[6]



Constitutional roles[edit]

  • Exercises "control and supervision" over the entire executive branch.[7]
  • Presents bills to the Diet on behalf of the Cabinet.[8]
  • Signs laws and Cabinet orders (along with other members of the Cabinet).[9]
  • Appoints all Cabinet ministers, and can dismiss them at any time.[10]
  • May permit legal action to be taken against Cabinet ministers.[11]
  • Must make reports on domestic and foreign relations to the Diet.[8]
  • Must report to the Diet upon demand to provide answers or explanations.[12]
  • May advise the Emperor to dissolve the Diet's House of Representatives.[13]

Statutory roles[edit]

  • Presides over meetings of the Cabinet.[14]
  • Commander in chief of the Japan Self-Defense Forces.[15]
  • May override a court injunction against an administrative act upon showing of cause.[16]


Official office and residence[edit]

Located near the Diet building, the Office of the Prime Minister of Japan is called the Kantei (官邸). The original Kantei served from 1929 until 2002, when a new building was inaugurated to serve as the current Kantei.[17] The old Kantei was then converted into the Official Residence, or Kōtei (公邸).[18] The Kōtei lies to the southwest of the Kantei, and is linked by a walkway.[18]

Honours and emoluments[edit]

Until the mid-1930s, the Prime Minister of Japan was normally granted a hereditary peerage (kazoku) prior to leaving office if he had not already been ennobled. Titles were usually bestowed in the ranks of count, viscount or baron, depending on the relative accomplishments and status of the Prime Minister. The two highest ranks, marquess and prince, were only bestowed upon highly distinguished statesmen, and were not granted to a Prime Minister after 1928. The last Prime Minister who was a peer was Baron Kijūrō Shidehara, who served as Prime Minister from October 1945 to May 1946. The peerage was abolished when the Constitution of Japan came into effect in May 1947.

Certain eminent Prime Ministers have been awarded the Order of the Chrysanthemum, typically in the degree of Grand Cordon. The highest honour in the Japanese honours system, the Collar of the Order of the Chrysanthemum, has only been conferred upon select Prime Ministers and eminent statesmen; the last such award to a living Prime Minister was to Saionji Kinmochi in 1928. More often, the Order of the Chrysanthemum has been a posthumous distinction; the Collar of the order was last awarded posthumously to former Prime Minister Eisaku Satō in June 1975. The Grand Cordon has typically been posthumously awarded; the most recent such award was to Ryutaro Hashimoto in July 2006. Currently, Yasuhiro Nakasone is the only living former Prime Minister to hold the Grand Cordon of the Order of the Chrysanthemum, which he received in 1997.

After relinquishing office, the Prime Minister is normally accorded the second or senior third rank in the court order of precedence, and is usually raised to the senior second rank posthumously. Certain distinguished Prime Ministers have been posthumously raised to the first rank; the last such award was to Sato Eisaku in 1975. Since the 1920s, following their tenure in office, Prime Ministers have typically been conferred with the Grand Cordon of the Order of the Paulownia Flowers (until 2003 a special higher class of the Order of the Rising Sun), depending on tenure and eminence. However, honours may be withheld due to misconduct or refusal on the part of the Prime Minister (for example, Kiichi Miyazawa).

Living former Prime Ministers[edit]

As of March 2017, twelve former Prime Ministers of Japan are alive. The most recent death of a former Prime Minister of Japan is that of Kiichi Miyazawa (1991–93) on June 28, 2007.

Number Name Tenure Date of birth Age
1 Yasuhiro Nakasone 1982–1987 (1918-05-27)27 May 1918 98
2 Toshiki Kaifu 1989–1991 (1931-01-02)2 January 1931 86
3 Morihiro Hosokawa 1993–1994 (1938-01-14)14 January 1938 79
4 Tsutomu Hata 1994 (1935-08-24)24 August 1935 81
5 Tomiichi Murayama 1994-1996 (1924-03-03)3 March 1924 93
6 Yoshirō Mori 2000-2001 (1937-07-14)14 July 1937 79
7 Junichiro Koizumi 2001-2006 (1942-01-08)8 January 1942 75
8 Yasuo Fukuda 2007–2008 (1936-07-16)16 July 1936 80
9 Taro Aso 2008–2009 (1940-09-20)20 September 1940 76
10 Yukio Hatoyama 2009-2010 (1947-02-11)11 February 1947 70
11 Naoto Kan 2010-2011 (1946-10-10)10 October 1946 70
12 Yoshihiko Noda 2011-2012 (1957-05-20)20 May 1957 59

See also[edit]


  1. ^ Kenkyusha's New Japanese-English Dictionary, Kenkyusha Limited, ISBN 4-7674-2015-6
  2. ^ Legal framework for Prime Minister and Cabinet in the Empire: Dajōkan proclamation No. 69 of December 22, 1885 (内閣職権, naikaku shokken), later replaced by Imperial edict No. 135 of 1889 (内閣官制, naikaku kansei) in effect until 1947
  3. ^ Article 55 of the Imperial Constitution only bound the ministers of state, i.e. all members of the cabinet including the prime minister, to "give their advice to the Emperor and be responsible for it."
  4. ^ Kantei: Cabinet System of Japan
  5. ^ Article 67 of the Constitution of Japan
  6. ^ Article 6 of the Constitution of Japan
  7. ^ Article 5 of the Constitution of Japan
  8. ^ a b Article 72 of the Constitution of Japan
  9. ^ Article 74 of the Constitution of Japan
  10. ^ Article 68 of the Constitution of Japan
  11. ^ Article 75 of the Constitution of Japan
  12. ^ Article 63 of the Constitution of Japan
  13. ^ Article 7 of the Constitution of Japan
  14. ^ Cabinet Act2012, article 4
  15. ^ Self-Defense Forces Act of 1954
  16. ^ Administrative Litigation Act, article 27
  17. ^ Nakata, Hiroko (March 6, 2007). "The prime minister's official hub". The Japan Times Online. The Japan Times. Retrieved October 21, 2007. 
  18. ^ a b "A virtual tour of the former Kantei – Annex etc. – The Residential Area". Prime Minister of Japan. Retrieved October 21, 2007. 
  • Kenkyusha's New Japanese-English Dictionary, Kenkyusha Limited, Tokyo 1991, ISBN 4-7674-2015-6

External links[edit]