How much damage did 911 cause?

The property damage alone cost about $100 billion, and estimates of the total economic damage inflicted by the attack range up to $2 trillion. The cost of the two wars in Afghanistan and Iraq that flowed out of the 9/11 tragedy has been estimated recently by Brown University scholars at about $4 trillion.



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Their rescue was later portrayed in the Oliver Stone film, World Trade Center. In total, twenty survivors were pulled out of the rubble. The final survivor, Port Authority secretary Genelle Guzman-McMillan, was rescued 27 hours after the collapse of the North Tower.

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On Sept. 11, 2001, 343 firefighters and paramedics were killed, most when the towers collapsed. Now, an equal number have died from 9/11-related illnesses, the FDNY says.

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U.S. airlines lost $8 billion in 2001. The industry wasn't profitable again until 2006. Losses topped $60 billion over that five-year period and airlines again lost money in 2008 during the Great Recession. Job cuts in the wake of 9/11 were in the tens of thousands and workers faced massive pay cuts.

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In New York City as a whole, the attack caused an additional loss of about 143,000 jobs per month over a three-month period beyond the trend in job losses already occurring as a result of the economic recession of 2001.

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A massive rescue, relief, and recovery effort began in the aftermath of the 9/11 attacks. Recovery operations lasted for nine months at Ground Zero, ending on May 30, 2002.

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The youngest flight passenger who died was Christine Hanson, a 2-year-old on her way to Disneyland on United Airlines Flight 175. The oldest was Robert Norton, 82, who was on American Airlines Flight 11. The 19 hijackers from the militant Islamic extremist group al-Qaeda also died.

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Each of the Twin Towers had 110 floors. Each tower's footprint and floors were approximately an acre in size. On windy days, each tower could sway up to almost 12 inches side to side. There were 43,600 windows in the Twin Towers, equating to more than 600,000 square feet of glass.

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