Population (percentage of total), by water supply grade and NZDep96 index of socioeconomic deprivation
| Grade (lower is better) | |||||||
|---|---|---|---|---|---|---|---|
| NZDep96 decile (lower is less deprived) | Supplies serving less than 25 people | A 1 | B 2 | C 3 | D 4 | E 5 | U 6 |
| 1 | 2.6 | 4.8 | 1.0 | 1.0 | 0.3 | 0.5 | <0.1 |
| 2 | 3.2 | 4.2 | 0.9 | 0.6 | 0.5 | 0.7 | <0.1 |
| 3 | 3.4 | 3.9 | 0.6 | 0.6 | 0.6 | 0.8 | <0.1 |
| 4 | 3.4 | 3.6 | 0.8 | 0.6 | 0.6 | 0.9 | <0.1 |
| 5 | 3.1 | 3.6 | 1.0 | 0.6 | 0.6 | 0.9 | <0.1 |
| 6 | 2.8 | 3.6 | 1.0 | 0.6 | 0.7 | 1.1 | <0.1 |
| 7 | 2.7 | 3.7 | 1.0 | 0.8 | 0.7 | 1.0 | <0.1 |
| 8 | 2.6 | 3.7 | 1.2 | 0.6 | 0.7 | 1.1 | <0.1 |
| 9 | 2.9 | 3.6 | 1.3 | 0.5 | 0.7 | 1.0 | <0.1 |
| 10 | 2.6 | 4.5 | 1.3 | 0.5 | 0.7 | 0.5 | <0.1 |
| Unclassified | 0.2 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 |
| Totals | 29.4 | 39.3 | 10.1 | 6.5 | 6.1 | 8.4 | 0.2 |