“In 2014, acts of terror cost the world $52.9 billion — roughly the size of Bulgaria’s entire annual gross domestic product — compared with $51.51 billion in the aftermath of Sept. 11, according to the latest annual Global Terrorism Index by the Institute for Economics and Peace, which has been collecting data since 1997.”
– Sangwon Yoon and Andre Tartar, “The Global Economic Cost of Terrorism Is Now at Its Highest Since 9/11: Nearly 10 times as many killed in attacks than 15 years ago,” Bloomberg.com, Nov. 16, 2015