"According to Statistics Norway, a total of 49,400 drug crimes were reported in 2013. This is 3,500 more than in 2012 and corresponds to 9.8 reported drug offences per 1,000 population. This is the highest level of drug offences since 2002.
Drug Arrests in the US, 2010, by Age and Gender: "State and local law enforcement agencies made an estimated 1,336,500 arrests for drug possession or use in 2010. Females were 20% of these arrests. The median age in drug possession or use arrests was 26. Eleven percent of drug possession or use arrests in 2010 involved a juvenile, 18% involved persons age 40 or older, and 6% involved persons age 50 or older."
Drug Arrest Trends in the US 1990-2010: "There were 80% more arrests for drug possession or use in 2010 (1,336,530) than in 1990 (741,600). Between 1990 and its peak in 2006, the arrest rate for drug possession or use increased 75% (figure 37). The arrest rate declined between 2006 and 2010, ending in 2010 at 46% above its 1990 level and at a level similar to those seen between 1997 and 2002."
Total Annual Arrests in the US by Year and Type of Offense
In 2015, law enforcement agencies in the US made 10,797,088 arrests for all offenses, of which 1,488,707 were drug arrests, 505,681 were for violent offenses, and 1,463,213 were for property offenses. A total of 643,121 marijuana arrests were made that year, of which 64,480 were for trafficking or sales, and 574,641 were for simple possession of marijuana.