Saint Vincent and the Grenadines
| 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 |
|---|---|---|---|---|---|---|
| 2020 | Plurality/Majority | FPTP | 1 | 15 | 23 | Not applicable |
| 2015 | Plurality/Majority | FPTP | 1 | 15 | 23 | Not applicable |
| 2010 | Plurality/Majority | FPTP | 1 | 15 | 21 | Not applicable |
| 2005 | Plurality/Majority | FPTP | 1 | 15 | 22 | Not applicable |
| 2001 | Plurality/Majority | FPTP | 1 | 15 | 22 | Not applicable |
| 1998 | Plurality/Majority | FPTP | 1 | 15 | 21 | Not applicable |
