"On June 30th 2010 there were 85,002 people in prison custody in England and Wales, 73,305 of whom were adults.341 Of those adult prisoners in custody, 15% were on remand and 85% were sentenced. The most common offence was violence against the person (28%) followed by drug offences (16%), sexual offences (14%) and robbery (11%). Of all prisoners in custody, five per cent were female and 14% were foreign nationals (including those held in Immigration Removal Centres). Seven per cent of adult sentenced prisoners were sentenced for six months or less.
"In Scotland during 2010/11 the average daily number of prisoners was 7,853, 19% of whom were on remand. Of those sentenced, 36% were convicted of non-sexual crimes of violence with 14% convicted of drug offences."
UK Focal Point on Drugs, "United Kingdom drug situation: annual report to the European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) 2011" (Lisbon, Portugal: EMCDDA, Nov. 2012), p. 163.