A
Higher managerial, administrative, professional e.g. Chief executive, senior civil servant, surgeon
B
Intermediate managerial, administrative, professional e.g. bank manager, teacher
C1
Supervisory, clerical, junior managerial e.g. shop floor supervisor, bank clerk, sales person
C2
Skilled manual workers e.g. electrician, carpenter
D
Semi-skilled and unskilled manual workers e.g. assembly line worker, refuse collector, messenger
E
Casual labourers, pensioners, unemployed e.g. pensoiners without private pensions and anyone living on basic benefits