| # | Years | Size | Links | |
|---|---|---|---|---|
| Ch | 1993β2005 | 4.1% | ||
| Co | 2011β2017 | 2.9% | ||
| NeZePa | 1984β1987 | 8.4% | ||
| Op | 2017β2017 | 3.1% | ||
| PrCo | 2002β2008 | 1.9% | ||
| ACT | 1996β2017 | 7.0% | ||
| Alliance | 1993β2002 | 18.0% | ||
| Greens | 1990β2017 | 11.4% | ||
| Labour | 1972β2017 | 50.4% | ||
| Mana | 2011β2017 | 2.0% | ||
| Maori | 2005β2017 | 8.3% | ||
| National | 1972β2017 | 49.5% | ||
| NZDP | 1972β2014 | 12.9% | ||
| NZF | 1993β2017 | 14.7% | ||
| United | 1996β2017 | 8.5% | ||
| Values | 1972β1981 | 7.2% | ||
| Ne | 1990β1990 | 3.8% |