The Czech Social Democratic Party, a social-democratic political party in the Czech Republic, received more votes than any other parties in the two rounds of the 2012 Czech Senate election.
Czech Social Democratic Party 199,957 207,064 Communist Party of Bohemia and Moravia 153,335 79,663 Civic Democratic Party 151,950 117,990 14,995 61,006 Christian and Democratic Union  Czechoslovak People's Party TOP+STAN 57,907 9,918 Party of Free Citizens 15,588       9,232   10,271 10,756      11,807          14,503 10,894 10,202 9,202 8,874 8,364 8,309 8,036 7,578 7,396 6,370 6,285 5,894 5,744 5,742 5,520 5,145 4,736 4,460 4,406 4,296 4,027 3,487 3,476 2,789 2,427  2,342  1,857 2,289   1,736  1,545 1,199 589 434 319 311 135        ANO 2011 Party of Civic Rights  Zemanovci KDUCSL-SZ Severocesi.cz National Socialists  21st Century Left Ostravak SNK European Democrats Suverenita-Strana zdraveho rozumu KDUCSL-Independent Choice Green Party CSSDKDUCSLSZ Public Affairs KDUCSL-SZHNHRM Labour Party Strana soukromniku Ceske republiky Pirate Party Spojeni demokrate - Sdruzeni nezavislych STAN+ZHN STAN STANSLKTOP Communist Party of Czechoslovakia Nova budoucnost pro Liberecky kraj SZHNHRMB10 Sovereignty  Jana Bobosikova Bloc Conservative Party Pirate Party Sdruzeni nestraniku Hnuti na podporu dobrov.hasicu a dal.dobrovolniku Nestranici Prazane za sva prava Dissatisfied Citizens Semilaci Moravane Balbinova poeticka strana Koruna ceska Czech National Socialist Party Czech Movement for National Unity The Czech Social Democratic Party (Czech: Ceska strana socialne demokraticka, CSSD) is a social-democratic political party in the Czech Republic. 
