One of the macabre features of the numerical list of Jews submitted to the Wannsee Conference was the fact that no figure was given for the Jews of Estonia, merely a brief note that Estonia was 'Free of Jews'. This was true; the 1000 Estonian Jews who had come under German rule in October 1941 had all been murdered during the three months before the Wannsee Conference.

In December 1941, a month before the Wannsee Conference, the first Nazi extermination camp had already come into operation, at Chelmno, responsible for the mass murder of Jews, Gypsies, and Soviet prisoners of war. After passing through corridors marked 'To the showers' and 'To the doctor', the victims were forced into a large truck which was in fact a large gas chamber, where they were killed within a few minutes. By the end of 1944 more than 360 000 Jews had been murdered in Chelmno alone.

The Wannsee Conference also specified the number of Jews in unconquered countries for eventual destruction, including
330 000 from Britain, 18 000 from Switzerland, 6000 from Spain and 4000 from Ireland.