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Of the 124,347 people who had been arrested, a record of their perceived ethnic origin was available on the NDNAD for 101,066 persons only. In addition, for a further 17,677 persons, the Police National Computer (PNC) held a record of their White or Non-White status. There was no record of perceived minority ethnic origin or White/Non-White status for the remaining 5,604 persons.
The available data indicates that 21 per cent. were perceived to be of minority ethnic origin, 74 per cent. were perceived to be white and 5 per cent. were unknown. Of the 15,000 persons who had volunteered a DMA sample, 80 per cent. do not have an ethnic appearance recorded, 3 per cent. are recorded as being of minority ethnic origin and 17 per cent. as white.