The paper submitted deals with Germany´s development from a country of emigrants into a country for immigrants during the fifties. The various phases of immigration are exposed to a general analys so that continuity and changes of the development will become clear. In addition the author´s intension is to describe Germany´s current policy of integration concerning The Muslim minority. Facts are given of how politically active people take notice of the tensions between the Muslim minority and the society as a whole and how they are looking for possibilities to reduce these tensions. Nowadays changes are in the offing with regard to the discussion about integration of Muslims into the German society.The empirical research proves the discussion has changed from the necessity of a multicultural policy towards a position of civic assimilation.