There are approximately 422K people in prison for drug offences (http://www.drugwarfacts.org/cms/Prisons_and_Drugs#sthash.KZSvtVHe.dpbs http://www.drugwarfacts.

There are approximately 422K people in prison for drug offences (http://www.drugwarfacts.org/cms/Prisons_and_Drugs#sthash.KZSvtVHe.dpbs http://www.drugwarfacts.org/cms/Prisons_and_Drugs#sthash.KZS...). Which still leaves 1.9mio for non-drug offences - more than the second country with largest prision population (China, 1.5mio - http://news.bbc.co.uk/1/shared/spl/hi/uk/06/prisons/html/nn2page1.stm http://news.bbc.co.uk/1/shared/spl/hi/uk/06/prisons/html/nn2...).