World War II caused an unprecedented number of casualties. According to estimates, the total number of military and civilian deaths reached around 70 million people. This includes both those who died in battle and those who lost their lives due to war-related causes such as disease, famine, and displacement. The war also left millions of people injured or disabled, many of whom were unable to return to their normal lives. The human losses caused by World War II are a stark reminder of the devastating consequences of conflict and the importance of striving for peace.