| Occupation | Class division | Level of skill | Monthly income level |
| Managers and administrators | Upper-level employment staff | High | Higher than average income |
| Professionals | |||
| Associate professionals | |||
| Clerical support workers | Middle-level employment staff | Middle | Close to average income |
| Craft and related workers | |||
| Plant and machine operators and assemblers | |||
| Service and sales workers | Lower-level employment staff | Low | Lower than average income |
| Elementary occupations | |||
| Skilled agricultural and fishery workers; and occupations not classifiable |