How many people died or were injured in 911?

On September 11, 2001, nearly 3,000 people lost their lives in the terrorist attacks, including passengers and crew members on the four hijacked planes, first responders, and civilians in the World Trade Center and the Pentagon. Additionally, over 6,000 individuals were injured as a result of the attacks. The event had profound and lasting impacts on national security and emergency response protocols in the United States.