 Complete the following phrase:  The Social Democratic Party of Germany , SPD;  is a social democratic political party in Germany. It is one of the two major contemporary political parties in Germany along with the Christian Democratic Union of Germany CDU. Saskia Esken and Norbert Walter-Borjans have been the partys leaders since the 2019 leadership election. It is the second-largest party in the Bundestag with 152 out of 709 seats, having won 20.5 of votes cast at the 2017 federal election. The SPD is a junior member of the federal government along with the a hrefCDUCSUCDUCSUa which was first formed after the 