The numbers of Germans living outside Germany below is from "Das Buch vom deutschen Vokstum", published in 1935, which was based on cesus conducted 1930 and 1931 (quoted in "Auschwitz 1270 to the Present" by Robert Van Pelt and Debórah Dwork).

Germany and German States
Germany 65.000.000 (98,5%)
Austria 6.500.000 (95,5%)
Switzerland 2.950.000 (72,0%)
Danzig 400.000 (98,1%)
Luxembourg 285.000 (95,0%)
Liechtenstein 10.000 (100,0%)
Non-german States in Europe
Czechoslovakia 3.265.000 (23,3%)
-Bohemia 230.0000
-Moravia and Silesia 800.000
-Slovakia 15.0000
-Rutenia 15.000
France 1.700.000 (4,0%)
-Alsace-Lorraine 1.580.000
USSR 1.240.000 (0,8%)
-Volga Republic 39.000
-Ukraine 395.000
-Crimea 45.000
-Caucasus 75.000
-Siberia 120.000
Poland 1.150.000 (3,6%)
-Posen-West Prussia 350.000
-East Upper Silesia 300.000
-Teschen 40.000
-Congress Poland 350.000
-Galicia 60.000
-Volhynia 50.000
Romania 800.000 (4,4%)
-Banat 300.000
-Transylvania 230.000
-Bessarabia 90.000
-Bukovina 80.000
-Dobrudja 14.000
Yugoslavia 700.000 (5,0%)
-Banat-Batshka 450.000
-Croatia-Slavonia 160.000
-Slovenia 70.000
-Bosnia 16.000
Hungary 600.000 (7,5%)
Italy 250.000 (0,6%)
Belgium 150.000 (1,8%)
Lithuania 120.000 (5,6%)
Netherlands 100.000 (1,2%)
Latvia 70.000 (3,7%)
Denmark 60.000 (1,7%)
Estonia 23.000 (2,0%)
Other countries 60.000
Non Europe
Africa 104.200
Asia 21.000
North America 8.500.000
South America 1.200.000
Australia/New Zealand 77.000
Total 95.000.000