How many Polish people died during ww2?
World War II casualties of Poland
Approximately six million
Approximately six million Polish citizens perished during World War II: about one fifth of the pre-war population.[1]  Most were civilian victims of the war crimes and crimes against humanity during the occupation by Nazi Germany and the Soviet Union. Statistics for Polish World War II casualties are divergent and contradictory. This article provides a summarization of these estimates of Poland's human losses in the war and their causes.