Politics of Japan are conducted in a framework of a dominant-party bicameral parliamentary constitutional monarchy, in which the Emperor is the head of state and the Prime Minister is the head of government and the head of the Cabinet, which directs the executive branch.
The Liberal Democratic Party, frequently abbreviated to LDP or Jimintō (自民党), is a major conservative and Japanese nationalist political party in Japan.
The House of Representatives is the lower house of the National Diet of Japan. The House of Councillors is the upper house. The composition of the House is established by Article 41 and Article 42 of the Constitution of Japan. The House of Representatives has 465 members, elected for a four-year term. Of these, 176 members are elected from 11 multi-member constituencies by a party-list system of proportional representation, and 289 are elected from single-member constituencies.
General elections were held in Japan on November 9, 2003. Incumbent Prime Minister Junichiro Koizumi of the Liberal Democrat Party won the election but with a reduced majority. The main opposition Democratic Party made considerable gains, winning 177 of the 480 seats in the House of Representatives, its largest share ever. Other traditional parties like the Communist Party and the Social Democrat Party lost a significant numbers of seats, marking the start of a new two-party system in Japanese politics, which would end in 2012 with the emergence of Japan Restoration Party.
General elections were held in Japan on 25 June 2000 to elect the 480 members of the House of Representatives.
The Social Democratic Party is a political party in Japan that was established in 1996. Since its reformation and name change in 1996, it has advocated pacifism and defined itself as a social-democratic party. It was previously known as the Japan Socialist Party.
The New Frontier Party (NFP) was a big tent political party in Japan founded in December 1994. As a merger of several small parties, the party was ideologically diverse, with its membership ranging from moderate social democrats to liberals and conservatives. The party dissolved in December 1997, with Ichirō Ozawa's faction forming the Liberal Party and other splinters later joining the Democratic Party of Japan in April 1998.
The Kōmeitō, also known as the Kōmei Party and Clean Government Party (CGP), was a political party in Japan, initiated by Daisaku Ikeda, and described by various authors as the "political arm" of Soka Gakkai.
General elections were held in Japan on 11 September 2005 for all 480 seats of the House of Representatives, the lower house of the Diet, almost two years before the end of the term taken from the previous elections in 2003. Prime Minister Junichiro Koizumi called the election after bills to privatize Japan Post were voted down in the upper house, despite strong opposition within his own Liberal Democratic Party (Japan) (LDP).
General elections were held in Japan on 20 October 1996. A coalition of the Liberal Democratic Party, New Party Sakigake and the Social Democratic Party, led by incumbent Prime Minister Ryutaro Hashimoto of the LDP won the most seats.
General elections were held in Japan on 18 February 1990 to elect the 512 members of the House of Representatives, the lower house of the National Diet.
General elections were held in Japan on 18 July 1993 to elect the 511 members of the House of Representatives. The Liberal Democratic Party (LDP), which had been in power since 1955, lost their majority in the House. An eight-party coalition government was formed and headed by Morihiro Hosokawa, the leader of the Japan New Party (JNP). The election result was profoundly important to Japan's domestic and foreign affairs.
General elections were held in Japan on 5 December 1976. Voter turnout was 73.45%. This election was noted for seeing 124 newcomers win seats for the very first time, along with the defeat of some legacy candidates, signalling a generational shift in the Japanese political landscape. To date, the 1976 election has been the only post-war general election triggered by an expiration of the term of the House of Representatives; all other post-war elections have been instigated by a dissolution of the House by the Cabinet.
The 1955 system (55年体制), also known as the one-and-a-half party system, is a term used by scholars to describe the dominant-party system that has existed in Japan since 1955, in which the Liberal Democratic Party (LDP) has successfully held by itself or in coalition with Komeito a majority government nearly uninterrupted with opposition parties, other than for brief stints in 1993–1994 and 2009–2012, largely incapable of forming significant or long lasting alternatives. The terms 1955 system and the one-and-a-half party system are credited to Junnosuke Masumi, who described the 1955 system as "a grand political dam into which the history of Japanese politics surge".
House of Councillors elections were held in Japan on 10 July 1977. Only half of the House of Councillors was up for election.
General elections were held in Japan on August 30, 2009 to elect the 480 members of the House of Representatives. The opposition Democratic Party of Japan (DPJ) defeated the ruling coalition in a landslide, winning 221 of the 300 constituency seats and receiving 42.4% of the proportional block votes for another 87 seats, a total of 308 seats to only 119 for the LDP.
General elections were held in Japan on 22 October 2017. Voting took place in all Representatives constituencies of Japan – 289 single-member districts and eleven proportional blocks – in order to appoint all 465 members of the House of Representatives, the lower house of the then 707-member bicameral National Diet of Japan. Incumbent Prime Minister Shinzō Abe's governing coalition of the Liberal Democratic Party (LDP) and the Komeito party retained their seats in signs of what was perceived as weak opposition. The PM won his fourth term in office and held on to the two-thirds supermajority in order to implement policies on revising the war-renouncing Article 9 of the Japanese Constitution.
House of Councillors elections were held in Japan on 21 July 2019 to elect 124 of the 245 members of the House of Councillors, the upper house of the then 710-member bicameral National Diet, for a term of six years.
Kōshirō Ishida was a Japanese politician who served as fifth chairman of Komeito from 1989 to 1994, and also served as the leader of the New Komei breakaway party for its brief history.
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