World War II was a global cataclysm, but some nations bore a disproportionately heavier burden. This ranking delves into the sheer scale of suffering experienced by various countries, considering both staggering military losses and the devastating impact on civilian populations. From the immense casualties faced by the USSR and Germany to the significant tolls on Japan, Great Britain, and France, we explore who truly endured the worst. Examining figures that range from hundreds of thousands to millions in both military and civilian deaths, this assessment aims to paint a somber picture of the war's profound human cost.