According to the ONS' International Passenger Survey (INS), 86,000 former immigrants who had come to Britain, and left in 2014, said they originally had come to the country for work-related reasons. Around 65,000 said it was because they had completed their studies. Of those who had previously immigrated to the UK for work, 49,000 (57 per cent) were EU citizens, 13,000 (15 per cent) were citizens of the old or "new" Commonwealth, and 12,000 (14 per cent) were citizens of other foreign countries.