Abstract
The Electoral System of German Lower House, Bundestag, is often seen as one of the idealist systems whose structural problem however became since unification 1990 revealed. Taking a by-election 2005 the special defect of the electoral system is clear. After two unconstitutional judgments by Federal Constitutional Court the new Electoral System came in to effect. In this article this new Electoral System is considered in relation to the 2013 Election which the new system was used at first in. To be concrete some special features and whose problems of German Electoral System, namely negative voting effect, excess seats, five-percent-clause and regulated seats, are dealt with.