How many Japanese civilians were killed in the atomic bomb?
90,000-166,000 people in Hiroshima and 60,000-80,000 in Nagasaki.
Thousands of Japanese civilians were killed and the cities were completely destroyed. Answer Thousands of Japanese civilians were killed and the cities were completely destroyed. Some of the affects included a radiation poisoning to which hundreds of Japanese died even after the explosion and shockwave.
Opinions differ on this. The bomb did kill a lot of civilians. However, it was an order of magnitude fewer than the official US military predictions of the number of Japanese civilians that would have been killed in a conventional invasion, so in a sort of twisted way, the bomb was actually a more humane choice.