These Three Maps Show How Drugs Move Around the World - Bloomberg Business
▻http://www.bloomberg.com/news/articles/2015-06-26/these-three-maps-show-how-drugs-move-around-the-world
In 2013, 246 million people worldwide—one of every 20 people between the ages of 15 and 64—used an illegal drug. Some 27 million of those are problem drug users suffering from addiction, dependence, or other disorders.