Saint Kitts and Nevis
| 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 |
|---|---|---|---|---|---|---|
| 2022 | Plurality/Majority | FPTP | 1 | 11 | 15 | Not applicable |
| 2020 | Plurality/Majority | FPTP | 1 | 11 | 15 | Not applicable |
| 2015 | Plurality/Majority | FPTP | 1 | 11 | 15 | Not applicable |
| 2010 | Plurality/Majority | FPTP | 1 | 11 | 15-19 | Not applicable |
| 2004 | Plurality/Majority | FPTP | 1 | 11 | 15 - 19 | Not applicable |
| 2000 | Plurality/Majority | FPTP | 1 | 11 | 15 - 19 | Not applicable |
| 1995 | Plurality/Majority | FPTP | 1 | 11 | 15 - 19 | Not applicable |
