Cooksland Social Democratic Party

The Cooksland Social Democratic Party (commonly known as the Cooksland SDP or Cooksland Social Democrats) is the branch of the Social Democratic Party of Enderron operating in Cooksland Prefecture. The party is the one of the two major political parties in Cooksland politics, the other being the Cooksland Liberal Party. The current party leader is Premier Andrew Winston, since 2009.

The Cooksland branch of the Social Democrats is considered to be the party's most populist and socially conservative branch. It is electorally the strongest in the working class cities of Rockingham, Reedijk and Endeavour, and to a lesser extent, mining and manufacturing regions throughout the prefecture. The party has been in government at the prefectural level for four periods since Enderronian independence: 1946 to 1954, 1966 to 1970, 1988 to 2004, and 2012 to the present. The Social Democrats' most notable premiers of Cooksland include Rupert Hammermeister (1946–1954), Allan Noble (1988–1991) and Denise Barnes (1994–2004).