Politics of Germany Economist Intelligence Unit has rated Germany as a "full democracy" in 2017. After 1949, the Federal Republic of Germany had Christian Democratic chancellors for 20 years until a coalition between the Social Democrats and the Liberals took over. From 1982, Christian Democratic leader Helmut Kohl was chancellor in a coalition with the Liberals for 16 years. In this period fell the reunification of Germany, in 1990: the German Democratic Republic joined the Federal Republic. In the former GDR's territory, five "Länder" (states) were established or reestablished. The two parts of Berlin united as one "Land" (state). The political system of
Chancellor of Germany German, the archbishop of Mainz was "ex officio" German archchancellor, a position he held until the end of the Holy Roman Empire in 1806, while "de jure" the archbishop of Cologne was chancellor of Italy and the archbishop of Trier of Burgundy. These three prince-archbishops were also prince-electors of the empire electing the King of the Romans. Already in medieval times, the German chancellor had political power like Archbishop Willigis (archchancellor 975–1011, regent for King Otto III of Germany 991–994) or Rainald von Dassel (Chancellor 1156–1162 and 1166–1167) under Emperor Frederick Barbarossa. In 1559, Emperor Ferdinand I established the agency