Kungiyar Social Democratic (Switzerland)

Ƙungiyar Social Democratic ( German  , French  , Italian  , wanda aka taƙaita S ) ita ce ƙungiya ta biyu mafi girma a majalisar tarayya ta Switzerland . Jam'iyyar Social Democratic Party ta Switzerland ce ta kafa ta. 

An wakilci Jam'iyyar Social Democratic Party a Majalisar Ƙasa; sun zauna a matsayin wani ɓangare na ƙungiyar Social-Siyasa tare da 'yan Democrat daga 1896 sannan suka kafa nasu ƙungiyar majalisar a 1911. 

 Tsarin aiki 
+Historical composition of the Social Democratic group"Parliamentary groups". parlament.ch. Retrieved 2022-09-16.LegislatureNCCSTotalChanges during the legislature22nd (1912)17118Gained 1 NC in 1913 then gained 1 NC in 191423rd (1914)19120Lost 1 NC in 1916 then lost 1 NC in 191724th (1917)1912025th (1919)41041Lost 3 NC then regained 1 NC in 202126th (1922)43144Lost 1 NC then regained 1 NC in 192427th (1925)4925128th (1928)50050Gained 1 CS in 193029th (1931)49251Lost 1 CS then 1 NC in 1933, then regained 1 NC in 193430th (1935)5035331st (1939)4534832nd (1943)56561Lost 2 NC in 1944, gained 1 CS in 1945, then gained 1 NC in 194733rd (1947)48553Lost 1 CS in 1948 then gained and lost 1 CS in 194934th (1951)4945335th (1955)5355836th (1969)5125337th (1963)5335638th (1967)5125339th (1971)4645040th (1975)55560Gained 1 CS in 197841st (1979)5196042nd (1983)4765343rd (1987)4254744th (1991)4334645th (1995)58563Lost 1 NC in 199946th (1999)53659Lost 1 NC in 200247th (2003)5296148th (2007)43952Lost 1 NC in 2009, lost 1 NC in 2010, then lost 1 CS in 201149th (2011)46115750th (2015)431255Lost 1 NC in 201951st (2019)39847

 Jerin shugabannin ƙungiyar 
A halin yanzu dai kansilan ƙasa Roger Nordmann ( VD ) ne ke jagorantar ƙungiyar.

 Herman Greulich (1911)
 Hans Affolter (1917)
 Ernest-Paul Graber (1918)
 Arthur Schmid Sr. (1925)
 Robert Grimm (1936)
 Walther Bringolf (1945)
 Fritz Grütter (1953)
 Mathias Eggenberger (1957)
 Pierre Graber (1966)
 Edmund Wyss (1969)
 Anton Muheim (1971)
 Richard Müller (1972)
 Heinz Bratschi (1978)
 René Felber (1980)
 Félicien Morel (1981)
 Dario Robbianni (1983)
 Ursula Mauch (1987)
 Ursula Hafner (1995)
 Franco Cavalli (1999)
 Hildegard Fässler (2002)
 Ursula Wyss (2006)
 Andy Tschümperlin (2012)
 Roger Nordmann (2015)

 Manazarta