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, salesperson.
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 labourer's, pensioners, unemployed, e.g. pensioners without private pensions and anyone living on benefits.