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 . Tokyo is the city with the most at risk ($24.31 billion) with the leading threat being an interstate conflict (due to its proximity to North Korea). 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 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 .