How many Japanese died during the attack on Pearl Harbor?
There where 59 Japanese killed in Pearl Harbor, all members of
the Imperial Japanese Navy. Nine were the crew of 5 Type A midget
submarines (of the 10 crew one was captured). The remainder were
crews from aircraft shot down in the attack or lost as a result of
damage and unable to return to the carriers.
From Britannica Concise Encyclopedia: (64)
4 midget submarines sunk,
1 midget submarine run aground,
29 aircraft destroyed,
55 airmen killed
9 submariners killed