Mnemonic (reference code): ETHGRPS, ETHGRPEW, ETHGRPNI, ETHNIC1
Definition: This question records each person's perceived ethnic group and cultural background. Although the questions differ between the different parts of the UK, the same detailed codes are used across the UK to code the write-in responses. In standard output the most detailed classification used is 16 groups (England and Wales), 14 groups (Scotland) and 12 groups (Northern Ireland). The full list of categories will be available for commissioned output.