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.
The Democratic Party of Japan was a centrist to centre-left, liberal or social-liberal political party in Japan from 1998 to 2016.
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 Japan Socialist Party was a socialist and progressive political party in Japan that existed from 1945 to 1996. The party was founded as the Social Democratic Party of Japan by members of several proletarian parties that existed before World War II, including the Social Mass Party, the Labour-Farmer Party, and the Japan Labour-Farmer Party. The party represented the Japanese left after the war, and was a major opponent of the right-wing Liberal Democratic Party.
The Right Socialist Party of Japan was a political party in Japan that existed between 1951 and 1955.
The Left Socialist Party of Japan was a political party in Japan that existed between 1951 and 1955.
House of Councillors elections were held in Japan on 8 July 1956, electing half the seats in the House plus two vacant seats in the other half. The Liberal Democratic Party won the most seats, but failed to win a majority. It was the first national election under the 1955 System, approximately a two party system of Ichirō Hatoyama's Liberal Democratic Party (LDP) that was created in the "conservative merger" of 1955 and Suzuki Mosaburō's reunified Japan Socialist Party (JSP). The later dominant LDP failed to win a majority.
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 largely incapable of forming significant or long lasting alternatives, other than for brief stints in 1993–1994 and 2009–2012. 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 22 May 1958. The result was a victory for the Liberal Democratic Party, which won 298 of the 467 seats. Voter turnout was 77.0%.
General elections were held in Japan on 25 April 1947. The Japan Socialist Party won 143 of the 468 seats, making it the largest party in the House of Representatives following the election. Voter turnout was 68%. It was the last election technically held under the Meiji Constitution in preparation for the current Constitution of Japan which became effective several days later on 3 May 1947. The upper house of the Diet was also elected by the people under the new constitution, the first ordinary election of members of the House of Councillors had been held five days before.
Changi Single Member Constituency was a single member constituency covering Changi and eastern outer islands such as Pulau Ubin, Singapore.
Hokkaidō 2nd district was an SNTV four-member electoral district for the House of Representatives, the lower house of the National Diet of Japan, between 1947 and 1996, last used in the lower house election of 1993. Located in the prefecture (-dō) of Hokkaidō, it consisted of the cities (-shi) of Asahikawa, Rumoi, Wakkanai, Shibetsu, Nayoro, Furano and all other municipalities in the subprefectures (-shichō) Kamikawa, Sōya and Rumoi. With the return to single-member districts in the 1990s electoral reform, the district became the 7th district. In 2003 the 7th district was abolished and the area that was once the 2nd district was divided amongst the 6th, 10th and 12th districts of Hokkaidō.
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