Man - made threats , including plane crashes and interstate conflict , pose a greater risk to the global economy than natural disasters , potentially costing cities $ 320bn annually , according to a report by Lloyd 's . It evaluated the risks to 279 major global cities , and revealed Tokyo and New York were the most under - threat cities . As well as highlighting the increasing concentration of crime in select cities , the report also notably included cyber crime as a threat – a category that had n't appeared in the previous report , three years ago .
Man-made threats, including market crashes and interstate conflict, pose a greater risk to the global economy than natural disasters, potentially costing cities $320bn annually, according to a report by Lloyd's. It evaluated 22 risks to 279 major global cities, and revealed Tokyo and New York were the most under-threat locations. As well as highlighting the increasing concentration of wealth in select regions, the study also notably included cyber crime as a threat – a category that hadn't appeared in the previous report, three years ago.