The following countries have the highest estimated World War II casualties: the Soviet Union (20 to 27 million), China (15 to 20 million), Germany (6 to 7.4 million), Poland (5.9 to 6 million), Dutch East Indies/Indonesia (3 to 4 million), Japan (2.5 to 3.1 million), India (2.2 to 3 million), Yugoslavia (1 to 1.7