Classifications and standards
Information on the classifications and standards approved for use in National Statistics.
Guide to classifications
Introductory information on classifications.
Current standard classifications
The standard classifications approved for use in National Statistics including industrial, occupational and socio-economic classifications.
Other standards approved for use in National Statistics including ethnic groups, geographic standards and harmonised concepts and questions.
International standard classifications
Links to international standard classifications including the International Classification of Diseases.
Archived standard classifications
Previous versions of standard classifications including industrial and ethnic group classifications.
Work being done on developing and reviewing standard classifications.
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