Politics of Japan

The Imperial Palace in Tokyo has been the primary residence of the Emperor since 1869.

The Constitution of Japan defines the Emperor[4] to be "the symbol of the State and of the unity of the people". He performs ceremonial duties and holds no real power. Political power is held mainly by the Prime Minister and other elected members of the Diet. The Imperial Throne is succeeded by a member of the Imperial House as designated by the Imperial Household Law.

The chief of the executive branch, the Prime Minister, is appointed by the Emperor as directed by the Diet. He is a member of either house of the Diet and must be a civilian. The Cabinet members are nominated by the Prime Minister, and are also required to be civilian. With the Liberal Democratic Party (LDP) in power, it has been convention that the President of the party serves as the Prime Minister.

Several political parties exist in Japan. However, the politics of Japan have primarily been dominated by the LDP since 1955, with the DPJ playing an important role as opposition several times. LDP was the ruling party for decades since 1955. Despite the existence of multiple parties, other parties were completely ignored. Most of the prime ministers were elected from inner factions of the LDP.

House of Representatives Election on 22 October 2017

House of Councillors election on 21 July 2019

← Summary of the 22 October 2017 House of Representatives election results →

Parties			Constituency				PR Block				Total seats
			Votes	%	±pp	Seats	Votes	%	±pp	Seats	Seats	±	%	±pp
		Liberal Democratic Party (LDP)	26,719,032	48.21	0.11	218	18,555,717	33.28	0.17	66	284	6	61.08	0.02
		Komeitō (NKP)	832,453	1.50	0.05	8	6,977,712	12.51	1.20	21	29	5	6.24	0.92
Governing coalition			27,551,485	49.71	0.17	226	25,533,429	45.79	1.03	87	313	11	67.31	0.90
		Constitutional Democratic Party of Japan (CDP)	4,852,097	8.75	New	18	11,084,890	19.88	New	37	55	40	11.83	6.66
		Japanese Communist Party (JCP)	4,998,932	9.02	4.28	1	4,404,081	7.90	3.47	11	12	9	2.58	1.84
		Social Democratic Party (SDP)	634,719	1.15	0.36	1	941,324	1.69	0.77	1	2	0	0.43	0.01
Liberalist coalition			10,485,748	18.92	–	20	16,430,295	29.47	–	49	69	31	14.84	6.84
		Kibō no Tō (Party of Hope)	11,437,601	20.64	New	18	9,677,524	17.36	New	32	50	7	10.75	1.25
		Nippon Ishin no Kai (JIP)	1,765,053	3.18	4.98	3	3,387,097	6.07	9.65	8	11	3	2.37	0.58
The third coalition			13,202,654	23.82	–	21	13,064,621	23.43	–	40	61	10	13.12	1.83
	Happiness Realization Party (HRP)		159,171	0.29	–	0	292,084	0.52	0.03	0	0	0	0.00	0.00
	New Party Daichi		–	–	–	–	226,552	0.41	–	0	0	0	0.00	0.00
	No Party to Support		–	–	–	–	125,019	0.22	0.02	0	0	0	0.00	0.00
	Party for Japanese Kokoro (PJK)		–	–	–	–	85,552	0.15	2.50	0	0	0	0.00	0.00
	Others		52,080	0.03	–	0	–	–	–	–	0	0	0.00	0.00
	Independents		3,970,946	7.16	4.31	22	–	–	–	–	22	17	4.73	3.48
Total			55,422,087	100.00	–	289	55,757,552	100.00	–	176	465	10	100.00	–

Seating of the House of Representatives after the general election (26 July 2019[5]).
Ruling parties (314)

  LDP (285)

  Komeito (29)

Opposition parties (144)

  CDP/Forum of Independents (70)

  DPP/Club of Independents (39)

  JCP (12)

  JIP (11)

  The Reviewing Group on Social Security Policy (8)

  SDP/Shimin-Rengō (2)

  Party of Hope (2)

Independents (7)

  Independents (7)[6]

 Summary of the 16 December 2012 Japanese House of Representatives election results[7]

Alliances and parties		Local constituency vote			PR block vote			Total seats		+/−
		Votes[8]	%	Seats	Votes	%	Seats	Total	%	(pre- election)	(last election)
	Liberal Democratic Party (LDP) Jimintō	25,643,309	43.01	237	16,624,457	27.79	57	294	61.25	176	175
	New Komeito Party (NKP) Kōmeitō	885,881	1.49	9	7,116,474	11.90	22	31	6.46	10	10
	Prospective LDP–NKP Coalition	26,529,190	44.49	246	23,740,931	39.69	79	325	67.71	186	185
	Democratic Party (DPJ) Minshutō	13,598,773	22.81	27	9,268,653	15.49	30	57	11.88	173	251
	Restoration Party (JRP) Ishin no Kai	6,942,353	11.64	14	12,262,228	20.50	40	54	11.25	43	—
	Your Party (YP) Minna no Tō	2,807,244	4.71	4	5,245,586	8.77	14	18	3.75	10	10
	Tomorrow Party (TPJ) Mirai no Tō	2,992,365	5.02	2	3,423,915	5.72	7	9	1.88	52	—
	Communist Party (JCP) Kyōsantō	4,700,289	7.88	0	3,689,159	6.17	8	8	1.67	1	1
	Social Democratic Party (SDP) Shakai Minshutō	451,762	0.76	1	1,420,790	2.38	1	2	0.42	3	5
	People's New Party (PNP) Kokumin Shintō	117,185	0.20	1	70,847	0.12	0	1	0.21	2	2
	New Party Daichi (NPD) Shintō Daichi	315,604	0.53	0	346,848	0.58	1	1	0.21	2	0
	Happiness Realization Party (HRP) Kōfuku Jitsugentō	102,634	0.17	0	216,150	0.36	0	0	0.00	0	0
	Others	62,697	0.11	0	134,781	0.23	0	0	0.00	0	0
	Total opposition parties	32,090,906	53.82	49	36,078,957	60.31	101	150	31.25	180	249
	Independents	1,006,468	1.69	5	–			5	1.04	4	1
Totals		59,626,564	100.00%	300	59,819,888	100.00%	180	480	100.00	1*	0
Turnout		59.32%			59.31%			*(vacant seats)

Despite an increasingly unpredictable domestic and international environment, policy making conforms to well established postwar patterns. The close collaboration of the ruling party, the elite bureaucracy and important interest groups often make it difficult to tell who exactly is responsible for specific policy decisions.

Political parties had begun to revive almost immediately after the occupation began. Left-wing organizations, such as the Japan Socialist Party and the Japanese Communist Party, quickly reestablished themselves, as did various conservative parties. The old Rikken Seiyūkai and Rikken Minseitō came back as, respectively, the Liberal Party (Nihon Jiyūtō) and the Japan Progressive Party (Nihon Shimpotō). The first postwar elections were held in 1948 (women were given the franchise for the first time in 1947), and the Liberal Party's vice president, Yoshida Shigeru (1878–1967), became prime minister.

For the 1947 elections, anti-Yoshida forces left the Liberal Party and joined forces with the Progressive Party to establish the new Democratic Party (Minshutō). This divisiveness in conservative ranks gave a plurality to the Japan Socialist Party, which was allowed to form a cabinet, which lasted less than a year. Thereafter, the socialist party steadily declined in its electoral successes. After a short period of Democratic Party administration, Yoshida returned in late 1948 and continued to serve as prime minister until 1954.

Even before Japan regained full sovereignty, the government had rehabilitated nearly 80,000 people who had been purged, many of whom returned to their former political and government positions. A debate over limitations on military spending and the sovereignty of the Emperor ensued, contributing to the great reduction in the Liberal Party's majority in the first post-occupation elections (October 1952). After several reorganizations of the armed forces, in 1954 the Japan Self-Defense Forces were established under a civilian director. Cold War realities and the hot war in nearby Korea also contributed significantly to the United States-influenced economic redevelopment, the suppression of communism, and the discouragement of organized labor in Japan during this period.

Continual fragmentation of parties and a succession of minority governments led conservative forces to merge the Liberal Party (Jiyūtō) with the Japan Democratic Party (Nihon Minshutō), an offshoot of the earlier Democratic Party, to form the Liberal Democratic Party (Jiyū-Minshutō; LDP) in November 1955, called 1955 System. This party continuously held power from 1955 through 1993, except for short when it was replaced by a new minority government. LDP leadership was drawn from the elite who had seen Japan through the defeat and occupation. It attracted former bureaucrats, local politicians, businessmen, journalists, other professionals, farmers, and university graduates.

In October 1955, socialist groups reunited under the Japan Socialist Party, which emerged as the second most powerful political force. It was followed closely in popularity by the Kōmeitō, founded in 1964 as the political arm of the Soka Gakkai (Value Creation Society), until 1991, a lay organization affiliated with the Nichiren Shoshu Buddhist sect. The Komeito emphasized the traditional Japanese beliefs and attracted urban laborers, former rural residents, and women. Like the Japan Socialist Party, it favored the gradual modification and dissolution of the Japan-United States Mutual Security Assistance Pact.

The LDP domination lasted until the Diet Lower House elections on 18 July 1993, in which LDP failed to win a majority. A coalition of new parties and existing opposition parties formed a governing majority and elected a new prime minister, Morihiro Hosokawa, in August 1993. His government's major legislative objective was political reform, consisting of a package of new political financing restrictions and major changes in the electoral system. The coalition succeeded in passing landmark political reform legislation in January 1994.

In April 1994, Prime Minister Hosokawa resigned. Prime Minister Tsutomu Hata formed the successor coalition government, Japan's first minority government in almost 40 years. Prime Minister Hata resigned less than two months later. Prime Minister Tomiichi Murayama formed the next government in June 1994 with the coalition of Japan Socialist Party (JSP), the LDP, and the small New Party Sakigake. The advent of a coalition containing the JSP and LDP shocked many observers because of their previously fierce rivalry.

Prime Minister Murayama served from June 1994 to January 1996. He was succeeded by Prime Minister Ryutaro Hashimoto, who served from January 1996 to July 1998. Prime Minister Hashimoto headed a loose coalition of three parties until the July 1998 Upper House election, when the two smaller parties cut ties with the LDP. Hashimoto resigned due to a poor electoral performance by the LDP in the Upper House elections. He was succeeded as party president of the LDP and prime minister by Keizo Obuchi, who took office on 30 July 1998. The LDP formed a governing coalition with the Liberal Party in January 1999, and Keizo Obuchi remained prime minister. The LDP-Liberal coalition expanded to include the New Komeito Party in October 1999.

Prime Minister Obuchi suffered a stroke in April 2000 and was replaced by Yoshirō Mori. After the Liberal Party left the coalition in April 2000, Prime Minister Mori welcomed a Liberal Party splinter group, the New Conservative Party, into the ruling coalition. The three-party coalition made up of the LDP, New Komeito, and the New Conservative Party maintained its majority in the Diet following the June 2000 Lower House elections.

After a turbulent year in office in which he saw his approval ratings plummet to the single digits, Prime Minister Mori agreed to hold early elections for the LDP presidency in order to improve his party's chances in crucial July 2001 Upper House elections. On 24 April 2001, riding a wave of grassroots desire for change, maverick politician Junichiro Koizumi defeated former Prime Minister Hashimoto and other party stalwarts on a platform of economic and political reform.

Koizumi was elected as Japan's 56th Prime Minister on 26 April 2001. On 11 October 2003, Prime Minister Koizumi dissolved the lower house and he was re-elected as the president of the LDP. Likewise, that year, the LDP won the election, even though it suffered setbacks from the new opposition party, the liberal and social-democratic Democratic Party (DPJ). A similar event occurred during the 2004 Upper House elections as well.

In a strong move, on 8 August 2005, Prime Minister Junichiro Koizumi called for a snap election to the lower house, as threatened, after LDP stalwarts and opposition DPJ parliamentarians defeated his proposal for a large-scale reform and privatization of Japan Post, which besides being Japan's state-owned postal monopoly is arguably the world's largest financial institution, with nearly 331 trillion yen of assets. The election was scheduled for 11 September 2005, with the LDP achieving a landslide victory under Junichiro Koizumi's leadership.

The ruling LDP started losing hold since 2006. No prime minister except Koizumi had good public support. On 26 September 2006, new LDP President Shinzō Abe was elected by a special session of the Diet to succeed Junichiro Koizumi as Prime Minister. He was the Japan's youngest post-World War II prime minister and the first born after the war. On 12 September 2007, Abe surprised Japan by announcing his resignation from office. He was replaced by Yasuo Fukuda, a veteran of LDP.

In the meantime, on 4 November 2007, leader of the main opposition party, Ichirō Ozawa announced his resignation from the post of party president, after controversy over an offer to the DPJ to join the ruling coalition in a grand coalition,[13] but has since, with some embarrassment, rescinded his resignation.

On 11 January 2008, Prime Minister Yasuo Fukuda forced a bill allowing ships to continue a refueling mission in the Indian Ocean in support of US-led operations in Afghanistan. To do so, PM Fukuda used the LDP's overwhelming majority in the Lower House to ignore a previous "no-vote" of the opposition-controlled Upper House. This was the first time in 50 years that the Lower House voted to ignore the opinion of the Upper House. Fukuda resigned suddenly on 1 September 2008, just a few weeks after reshuffling his cabinet. On 1 September 2008, Fukuda's resignation was designed so that the LDP did not suffer a "power vacuum". It thus caused a leadership election within the LDP, and the winner, Tarō Asō was chosen as the new party president and on 24 September 2008, he was appointed as 92nd Prime Minister after the House of Representatives voted in his favor in the extraordinary session of Diet.[14]

Later, on 21 July 2009, Prime Minister Asō dissolved the House of Representatives and elections were held on 30 August.[15] The election results for the House of Representatives were announced on 30 and 31 August 2009. The opposition party DPJ led by Yukio Hatoyama, won a majority by gaining 308 seats (10 seats were won by its allies the Social Democratic Party and the People's New Party). On 16 September 2009, president of DPJ, Hatoyama was elected by the House of Representatives as the 93rd Prime Minister of Japan.

On 2 June 2010, Hatoyama resigned due to lack of fulfillments of his policies, both domestically and internationally[16] and soon after, on 8 June, Akihito, Emperor of Japan ceremonially swore in the newly elected DPJ's president, Naoto Kan as prime minister.[17] Kan suffered an early setback in the 2010 Japanese House of Councillors election. In a routine political change in Japan, DPJ’s new president and former finance minister of Naoto Kan’s cabinet, Yoshihiko Noda was cleared and elected by the Diet as 95th prime minister on 30 August 2011. He was officially appointed as prime minister in the attestation ceremony at imperial palace on 2 September 2011.[18]

In an undesired move, Noda dissolved the lower house on 16 November 2012 (as he fails to get support outside the Diet on various domestic issues i.e. tax, nuclear energy) and elections were held on 16 December. The results were in the favor of LDP, which won absolute majority in the leadership of former Prime Minister Shinzō Abe.[19] He was appointed as the 96th Prime Minister of Japan on 26 December 2012.[20] With the changing political situation, earlier in November 2014, Prime Minister Abe called for fresh mandate for the Lower House. In an opinion poll the government failed to win the public trust due to bad economic achievements in the two consecutive quarters and on the tax reforms.[21]

The election was held on 14 December 2014, and the results were in the favor of LDP and its ally New Komeito. Together they managed to secure a huge majority by winning 325 seats for the Lower House. The opposition, DPJ, could not manage to provide the alternatives to the voters with its policies and programs. "Abenomics", the ambitious self-titled fiscal policy of the current prime minister, managed to attract more voters in this election, many Japanese voters supported the policies. Shinzō Abe was sworn as the 97th prime minister on 24 December 2014 and would likely go ahead with his agenda of economic revitalization and structural reforms in Japan.[21]

Prime Minister Abe was elected again for a fourth term after the 2017 election.[22]

Japan is a member state of the United Nations and pursues a permanent membership of the Security Council - Japan is one of the "G4 nations" seeking permanent membership. Japan plays an important role in East Asia. The Japanese Constitution prohibits the use of military forces to wage war against other countries. The government maintains a "Self-Defense Force", which include air, land and sea components. Japan's deployment of non-combat troops to Iraq marked the first overseas use of its military since World War II.

As an economic power, Japan is a member of the G7 and Asia-Pacific Economic Cooperation (APEC), and has developed relations with ASEAN as a member of "ASEAN plus three" and the East Asia Summit. Japan is a major donor in international aid and development efforts, donating 0.19% of its Gross National Income in 2004.[23]

Japan has territorial disputes with Russia over the Kuril Islands (Northern Territories), with South Korea over Liancourt Rocks (known as "Dokdo" in Korea, "Takeshima" in Japan), with China and Taiwan over the Senkaku Islands and with China over the status of Okinotorishima. These disputes are in part about the control of marine and natural resources, such as possible reserves of crude oil and natural gas. Japan has an ongoing dispute with North Korea over its abduction of Japanese citizens and nuclear weapons program.

• Government of Japan
• Law of Japan
• Honebuto no hōshin

•  This article incorporates public domain material from the Library of Congress Country Studies website http://lcweb2.loc.gov/frd/cs/. - Japan

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• Hattori, Ryuji (2019). Understanding History in Asia: What Diplomatic Documents Reveal. Tokyo: Japan Publishing Industry Foundation for Culture.
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• Smith, Sheila (2019). Japan Rearmed: The Politics of Military Power. Boston: Harvard University Press. Archived from the original on 8 June 2019. Retrieved 27 May 2019.
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• The Yomiuri Shimbun Political News Department (2017). Perspectives on Sino-Japanese Diplomatic Relations. Tokyo: Japan Publishing Industry Foundation for Culture.

• Electronic journal of contemporary japanese studies
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