The was a

political party A political party is an organization that coordinates candidates to compete in a particular country's elections. It is common for the members of a party to hold similar ideas about politics, and parties may promote specific political ideology ...

in Japan that existed between 1951 and 1955.

History

Following the defeat of the

Japanese Socialist Party The 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 ...

in 1948 at the hands of Japan's two main

conservative Conservatism is a cultural, social, and political philosophy that seeks to promote and to preserve traditional institutions, practices, and values. The central tenets of conservatism may vary in relation to the culture and civilization i ...

parties, the

Liberal Party The Liberal Party is any of many political parties around the world. The meaning of ''liberal'' varies around the world, ranging from liberal conservatism on the right to social liberalism on the left. __TOC__ Active liberal parties This is a li ...

and the Democrat Party, the SDPJ dissolved into chaos and internal bickering between moderate

reformist socialist Reformism is a political doctrine advocating the reform of an existing system or institution instead of its abolition and replacement. Within the socialist movement, reformism is the view that gradual changes through existing institutions can eve ...

and more radical

revolutionary socialists The Revolutionary Socialists ( ar, الاشتراكيون الثوريون; ) (RS) are a Trotskyist organisation in Egypt originating in the tradition of 'Socialism from Below'. Leading RS members include sociologist Sameh Naguib. The organisatio ...

. As a result of the SDPJ split, some of its members formed a more centrist

social-democratic Social democracy is a Political philosophy, political, Social philosophy, social, and economic philosophy within socialism that supports Democracy, political and economic democracy. As a policy regime, it is described by academics as advocati ...

party, while others formed a more radical socialist party. Both groups claimed the name ''Nihon Shakaitō'' () but different English translations, and are known as the Left Socialist Party of Japan and the Right Socialist Party of Japan, respectively. On domestic policy, the Right Socialist Party was a

centre-left Centre-left politics lean to the left on the left–right political spectrum but are closer to the centre than other left-wing politics. Those on the centre-left believe in working within the established systems to improve social justice. The c ...

social-democratic party. The

left wing Left-wing politics describes the range of political ideologies that support and seek to achieve social equality and egalitarianism, often in opposition to social hierarchy. Left-wing politics typically involve a concern for those in soci ...

was in chaos between 1948 and 1955. In early 1955, the Left Socialists and the Right Socialists reconciled and merged to reform the JSP, months before the Liberal Democrat Party was created through the merger of the Liberal and Democrat parties. Even though the Right Socialist Party dissolved in 1955 when the JSP reunified, some members of the former Right Socialist Party broke off from the JSP in 1960 and created the Democratic Socialist Party. The Young Socialists, a newly formed youth organisation which retains full membership in the

International Union of Socialist Youth The International Union of Socialist Youth (IUSY) is an international organization, founded in 1907, whose activities include publications, support of member organizations and the organization of meetings. It was formed as the youth wing of the S ...

, is said to be inherited from the political tradition of the Right Socialist Party.

Election results

House of Representatives

House of Councillors

References

Citations

Sources

* * * {{Social Democratic Party (Japan) Defunct political parties in Japan Defunct social democratic parties Anti-communism in Japan Anti-communist parties Centre-left parties in Asia Democratic socialist parties in Asia Political parties established in 1951 Political parties disestablished in 1955 Social democratic parties in Japan