Random mandatory drug testing (traditional drugs)

The percentage of random mandatory drug tests which show drugs to be present, hence a downward trend is positive. This measure excludes tests for new psychoactive substances.

The values for 2018/19 are calculated using a new weighted methodology - please refer to the relevant publication for more details.

The data source for this measure is HM prison and probation service annual digest.

YearRandom mandatory drug testing (traditional drugs)
2018-1910.4%
2017-1810.6%
2016-179.3%
2015-167.7%
2014-156.9%
2013-147.4%
2012-137.0%
2011-127.0%
2010-117.1%
2009-107.8%
2008-097.7%
2007-089.1%
2006-078.8%
2005-0610.3%
2004-0511.8%
2003-0412.3%
2002-0311.4%
2001-0211.4%
2000-0112.0%
1999-0014.4%
1998-9918.1%

2018-19



Notes:

  • Data is not always available for, or applicable to, every prison; and the list of prisons will vary year on year due to closures and newly opened establishments;
  • Prison functions (Male Local etc.) refer to the function of the prison in the most recent year shown. The function of a prison may have been different in previous years;
  • A small number of prisons which are listed separately in the above table are physically co-located and cannot be distinguished on the map;
  • Contains OS data © Crown copyright and database right 2019;
  • Contains Royal Mail data © Royal Mail copyright and database right 2019;
  • The markers on the map are indicative only. For further information on a prison, or for details of a prison's location, please consult the Ministry of Justice prison finder.