Most of those who perished were civilians, with the exception of 343 firefighters, 72 law enforcement officers, 55 military personnel, and the 19 terrorists who died in the attacks.
Toți cei morți erau civili, cu excepția 343 de pompieri, 72 de ofițeri de aplicare a legii, 55 de militari, iar cei 19 teroriști care au pierit în atacuri.