Social Democratic Party of Russia ended in 2007.
Nationwide Social Democratic Party was created in 2006.
Social Democratic Party of Slovakia was created in 1990.
Social-Democratic Party of Wisconsin was created in 1897.
Social-Democratic Party of Wisconsin ended in 1972.
Social Democratic Party of India was created in 2009.
Social Democratic Party 'Harmony' was created in 2010.
Social Democratic Party - Romania - was created in 1992.
Social Democratic Party - Luxembourg - ended in 1984.
Czech Social Democratic Party was created in 1878.
Christian Social Democratic Party was created in 2002.
Roma Democratic Social Party was created in 2005.