The US Dept. of Justice's Bureau of Justice Statistics reported that on Sept. 30, 2012, there were a total of 187,773 people sentenced and serving time in US federal prison for any offense. Of those, 97,214 people (51.8% of the total) had as their most serious charge a drug offense: 96,907 of them for drug trafficking or manufacture (51.6% of the total), 296 for drug possession (0.16% of the total), and 11 for "other"* drug offenses.
The US Dept. of Justice's Bureau of Justice Statistics reports that at yearend 2016, 1,288,466 people were serving sentences in state prisons in the US, of whom 190,100 (14.75% of the total) had as their most serious offence a drug charge: 45,300 for drug possession (3.51% of the total), and 144,800 for "other" drug offenses, including manufacturing and sale (11.24% of the total).
Of the 224,982 sale/manufacture arrests in 2018, 72,788 were for heroin, cocaine, and derivatives; 54,591 were for marijuana; 29,777 were for synthetic or manufactured drugs; and 66,171 were for other dangerous nonnarcotic drugs.
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.
In 1973, there were 328,670 arrests reported by the FBI's Uniform Crime Reports (UCR) for drug law violations, out of a total 9,027,700 arrests nationwide for all offenses. Also that year, authorities reported 380,560 arrests for Part One offense violent crimes and 1,448,700 arrests for Part One offense property offenses.