Niue
| Year | Electoral system family | Electoral system for national legislature | Number of tiers | Legislative size (directly elected) | Legislative size (voting members) | Electoral system for the president |
|---|---|---|---|---|---|---|
| 2023 | Plurality/Majority |
|
2.00 | 20 | 20 | Not applicable |
| 2020 | Plurality/Majority |
|
2 | 20 | 20 | Not applicable |
| 2017 | Plurality/Majority |
|
2 | 20 | 20 | Not applicable |
| 2014 | Plurality/Majority |
|
2 | 20 | 20 | Not applicable |
| 2011 | Plurality/Majority |
|
2 | 20 | 20 | Not applicable |
| 2008 | Plurality/Majority |
|
2 | 20 | 20 | Not applicable |
| 2005 | Plurality/Majority |
|
2 | 20 | 20 | Not applicable |
| 2002 | Plurality/Majority |
|
2 | 20 | 20 | Not applicable |
| 1999 | Plurality/Majority |
|
2 | 20 | 20 | Not applicable |
