2018: Of the estimated 1,654,282 drug law violations in the US in 2018, 86.4% (1,429,300) were for possession of a controlled substance. Only 13.6% (224,982) were for sale or manufacture of a drug.

2017: Of the estimated 1,632,921 drug law violations in the US in 2017, 85.4% (1,394,515) were for possession of a controlled substance. Only 14.6% (238,404) were for sale or manufacture of a drug.