Voter turnout - local authority elections
The proportion of all enrolled electors (both resident and ratepayer) who cast a vote in local authority elections for regional councils.

| Region | Enrolled electors who voted (%) | |||||||
|---|---|---|---|---|---|---|---|---|
| 1989 | 1992 | 1995 | 1998 | 2001 | 2004 | 2007 | ||
| 1 | Northland | 66.0 | 59.0 | 56.0 | 60.0 | 45.0 | 49.0 | 51.0 |
| 2 | Auckland | 40.0 | 44.0 | 34.0 | 46.0 | 43.0 | 42.0 | 38.0 |
| 3 | Waikato | 57.0 | 54.0 | 53.0 | 57.0 | 49.0 | 45.0 | 37.0 |
| 4 | Bay of Plenty | 61.0 | 61.0 | 54.0 | 54.0 | 52.0 | 45.0 | 44.0 |
| 5 | Gisborne | 74.0 | 72.0 | 61.0 | 67.0 | 63.0 | 52.0 | 52.0 |
| 6 | Hawke's Bay | 60.0 | 57.0 | 58.0 | 56.0 | 55.0 | 47.0 | 45.0 |
| 7 | Taranaki | 69.0 | 62.0 | 57.0 | 61.0 | 61.0 | 55.0 | 52.0 |
| 8 | Manawatu-Wanganui | 63.0 | 54.0 | 58.0 | 53.0 | 53.0 | 54.0 | 51.0 |
| 9 | Wellington | 52.0 | 50.0 | 51.0 | 52.0 | 50.0 | 43.0 | 43.0 |
| 10 | Tasman | 75.0 | 67.0 | 64.0 | 63.0 | 59.0 | 52.0 | 55.0 |
| 11 | Nelson | 66.0 | 70.0 | 56.0 | 56.0 | 53.0 | 48.0 | 51.0 |
| 12 | Marlborough | 72.0 | 65.0 | 66.0 | 68.0 | 66.0 | 62.0 | 52.0 |
| 13 | West Coast | 74.0 | 70.0 | 70.0 | 72.0 | 79.0 | 68.0 | 57.0 |
| 14 | Canterbury | 64.0 | 54.0 | 51.0 | 56.0 | 52.0 | 43.0 | 44.0 |
| 15 | Otago | 69.0 | 58.0 | 57.0 | 66.0 | 61.0 | 56.0 | 49.0 |
| 16 | Southland | 71.0 | 65.0 | 64.0 | 68.0 | 59.0 | 56.0 | 51.0 |
