| AHHS | Average household size (average number of persons per dwelling). Calculated by dividing the number of people in occupied private dwellings by the number of occupied private dwellings. |
| ANZIC | Australian New Zealand Standard Industry Classification |
| ANZIC06 | Australian New Zealand Standard Industry Classification 2006 (latest classification) |
| ANZIC96 | Australian New Zealand Standard Industry Classification 1996 (used for time series) |
| ANZSCO | Australian New Zealand Standard Classification of Occupations (latest classification) |
| NZSCO95 | New Zealand Standard Classification of Occupations 1995 (used for time series) |
| NZSCO99 | New Zealand Standard Classification of Occupations 1999 (used for time series) |
| OPD | Occupied private dwelling |
| Stats NZ | Statistics New Zealand |
| TA | Territorial Authority |