第二次世界大战是人类有史以来规摸最大、损失最惨重的一场战争。全球共有61个国家、17亿人人口卷入战争(占当时世界总人口的80％多);动员的军队约1.1亿人;战火蔓延欧洲、亚洲和非洲40个国家以及太平洋、大西洋、印度洋和北冰洋的广大海域,直接军费开支总计约13520亿美元,占交战国国民总收入的60％—70％。战争中军队和平民的伤亡人数超过9000万,其中 The Second World War was the most unconscionable and the worst loss of human war ever. There are 61 countries in the world, 1.7 billion people are involved in the war (accounting for more than 80% of the world’s total population at that time); about 110 million troops have been mobilized; the spread of the war has spread to 40 countries in Europe, Asia and Africa, and the Pacific, the Atlantic, the Indian Ocean and The vast area of ​​the Arctic ocean directly spends about $ 1,335 billion on direct military expenditures, accounting for 60% -70% of the total national income of warring states. In the war more than 90 million casualties were reported to the army and civilians