Tuvalu
| 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 |
|---|---|---|---|---|---|---|
| 2024 | Plurality/Majority | BV | 1 | 16 | 16 | Not applicable |
| 2019 | Plurality/Majority | BV | 1 | 16 | 16 | Not applicable |
| 2015 | Plurality/Majority | BV | 1 | 15 | 15 | Not applicable |
| 2010 | Plurality/Majority | BV | 1 | 15 | 15 | Not applicable |
| 2006 | Plurality/Majority | BV | 1 | 15 | 15 | Not applicable |
| 2002 | Plurality/Majority | BV | 1 | 15 | 15 | Not applicable |
| 1998 | Plurality/Majority | BV | 1 | 15 | 15 | Not applicable |
