Estimates of the total number of people killed during World War II have ranged from 35,000,000 to 60,000,000—a significant span, because statistics about the war’s casualties are inexact. The Soviet Union and China are believed to have suffered the most total casualties, while an estimated 5,800,000 Poles died, which represents about 20 percent of Poland’s prewar population. About 4,200,000 Germans died, and about 1,972,000 Japanese died. In all, the scale of human losses during World War II was vast. A table that details estimated deaths by country is available here.