- Self Defined Ethnicity
Self Defined Ethnicity (SDE) codes are a set of codes used by the
Home Office in theUnited Kingdom to classify an individual's ethnicity according to that person's self-definition.The codes are also called "16 + 1" codes, as there are 16 of them, plus one code (NS) for "Not Stated".
The code system originated in the
United Kingdom Census 2001 .British police forces are required to use the SDE 16+1 codes (as opposed to the commonly-used radio shorthandIC codes ) when spoken contact has taken place and an individual has been given an opportunity to state their self-perceived ethnicity.elf Defined Ethnicity (SDE) Codes – 16+1
* A1 –
India n
* A2 –Pakistan i
* A3 –Bangladesh i
* A9 – Any other Asian backgroundBlack or Black British
* B1 – Caribbean
* B2 –African
* B9 – Any other Black backgroundMixed
* M1 – White and Black Caribbean
* M2 – White and Black African
* M3 – White and Asian
* M9 – Any other Mixed backgroundChinese or other ethnic group
* O1 – Chinese
* O9 – Any other ethnic groupWhite
* W1 – British
* W2 – Irish
* W9 – Any other White backgroundNot Stated
* NS – Not Stated
ee also
*
IC codes References
*
Metropolitan Police Authority : [http://www.mpa.gov.uk/committees/eodb/2005/050110/08.htm Ethnicity monitoring and terminology] ,10 January 2005
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