English: Religion in Germany by administrative district (Kreis) and district-free city (kreisfreie Stadt) according to the 1925 national census. The religion with the largest number of adherents is indicated by the colour, while the shade indicates the share of population adhering to the denomination. Darker shades indicate a higher share of population.
Results data acquired from the Inter-university Consortium for Political and Social Research "German Weimar Republic Data, 1919-1933 (ICPSR 42)": [1]