| Value | Category |
|---|---|
| 1 | 1. White urban area |
| 2 | 2. Commercial farm |
| 3 | 3. Smallholder area |
| 4 | 4. Coloured farm laborer |
| 5 | 5. Black farm laborer |
| 6 | 6. Asian urban area |
| 7 | 7. Coloured urban area |
| 8 | 8. Black urban area |
| 9 | 9. Black rural area |
| 10 | 10. Black elite area |
| 11 | 11. Urban hostel |
| 12 | 12. Mine hostel |