Property Damage and Insured Losses from the 2001 World Trade Center Attacks

This paper presents a summary of the overall property damage and final insured loss estimates as a result of the World Trade Center (WTC) disaster on September 11, 2001. Initial research completed at the time of the event was combined with available information since this time to develop final monetary estimates for damage to buildings and their contents, infrastructure, and cleanup costs. In addition, the insured loss as a function of property damage is presented, emphasizing the enormous impact of this event on the U.S. insurance industry.