Germany is a federal, parliamentary, representative democratic republic. The German political system operates under a framework laid out in the 1949 constitutional document known as the Grundgesetz (Basic Law). By calling the document Grundgesetz, rather than Verfassung (constitution), the authors expressed the intention that it would be replaced by a proper constitution once Germany was reunited as one state. Amendments to the Grundgesetz generally require a two-thirds majority of both chambers of the parliament; the articles guaranteeing fundamental rights, the separation of powers, the federal structure, and the right to resist attempts to overthrow the constitution are valid in perpetuity and cannot be amended.[41] Despite the initial intention, the Grundgesetz remained in effect after the German reunification in 1990, with only minor amendments.
The Bundeskanzler (Federal Chancellor)—currently Angela Merkel—is the head of government and exercises executive power, similar to the role of a Prime Minister in other parliamentary democracies. Federal legislative power is vested in the parliament consisting of the Bundestag (Federal Diet) and Bundesrat (Federal Council), which together form a unique type of legislative body. The Bundestag is elected through direct elections, yet abiding proportional representation. The members of the Bundesrat represent the governments of the sixteen federal states and are members of the state cabinets. The respective state governments have the right to appoint and remove their envoys at any time.
The Bundespräsident (Federal President)—currently Horst Köhler—is the head of state, invested primarily with representative responsibilities and powers. He is elected by the Bundesversammlung (federal convention), an institution consisting of the members of the Bundestag and an equal number of state delegates. The second highest official in the German order of precedence is the Bundestagspräsident (President of the Bundestag), who is elected by the Bundestag and responsible for overseeing the daily sessions of the body. The third-highest official and the head of government is the Chancellor, who is nominated by the Bundespräsident after being elected by the Bundestag. The Chancellor can be removed by a constructive motion of no confidence by the Bundestag, where constructive implies that the Bundestag simultaneously elects a successor.
Since 1949, the party system has been dominated by the Christian Democratic Union and the Social Democratic Party of Germany with all chancellors hitherto being member of either party. However, the smaller liberal Free Democratic Party (which has had members in the Bundestag since 1949) and the Alliance '90/The Greens (which has controlled seats in parliament since 1983) have also played important roles, as they are regularly the smaller partner of a coalition government.
