| 1 | Employers in large establishments |
| 2 | Higher managerial and administrative occupations |
| 5 | Lower managerial and administrative occupations |
| 6 | Higher supervisory occupations |
| 10 | Lower supervisory occupations |
| 15 | Full-time students |
| 16 | Occupations not stated or inadequately described |
| 17 | Not classifiable for other reasons |
| -6 | Missing |
| -9 | No code required (Aged less than 16, Students not at their term-time address) |
| 11.1 | Lower technical occupations: Lower technical craft occupations |
| 11.2 | Lower technical occupations: Lower technical process operative occupations |
| 12.1 | Semi routine occupations: Semi-routine sales occupations |
| 12.2 | Semi routine occupations: Semi-routine service occupations |
| 12.3 | Semi routine occupations: Semi-routine technical occupations |
| 12.4 | Semi routine occupations: Semi-routine operative occupations |
| 12.5 | Semi routine occupations: Semi-routine agricultural occupations |
| 12.6 | Semi routine occupations: Semi-routine clerical occupations |
| 12.7 | Semi routine occupations: Semi-routine childcare occupations |
| 13.1 | Routine occupations: Routine sales and service |
| 13.2 | Routine occupations: Routine production |
| 13.3 | Routine occupations: Routine technical |
| 13.4 | Routine occupations: Routine operative |
| 13.5 | Routine occupations: Routine agricultural |
| 14.1 | Never worked |
| 14.2 | Long-term unemployed |
| 3.1 | Higher professional occupations: Traditional employees |
| 3.2 | Higher professional occupations: New employees |
| 3.3 | Higher professional occupations: Traditional self-employed |
| 3.4 | Higher professional occupations: New self-employed |
| 4.1 | Lower professional and higher technical occupations: Traditional employees |
| 4.2 | Lower professional and higher technical occupations: New employees |
| 4.3 | Lower professional and higher technical occupations: Traditional self-employed |
| 4.4 | Lower professional and higher technical occupations: New self-employed |
| 7.1 | Intermediate occupations: Intermediate clerical and administrative occupations |
| 7.2 | Intermediate occupations: Intermediate sales and service occupations |
| 7.3 | Intermediate occupations: Intermediate technical and auxiliary occupations |
| 7.4 | Intermediate occupations: Intermediate engineering occupations |
| 8.1 | Employers in small establishments: Employers in small establishments in industry, commerce, services etc. |
| 8.2 | Employers in small establishments: Employers in small establishments in agriculture |
| 9.1 | Own account workers: Own account workers (non-professional) |
| 9.2 | Own account workers: Own account workers (agriculture) |
