Prison Inmates by Offense
"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.