Jamaica
| 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 |
|---|---|---|---|---|---|---|
| 2025 | Plurality/Majority | FPTP | 1 | 63 | 63 | Not applicable |
| 2020 | Plurality/Majority | FPTP | 1 | 63 | 63 | Not applicable |
| 2016 | Plurality/Majority | FPTP | 1 | 63 | 63 | Not applicable |
| 2011 | Plurality/Majority | FPTP | 1 | 63 | 63 | Not applicable |
| 2007 | Plurality/Majority | FPTP | 1 | 60 | 60 | Not applicable |
| 2002 | Plurality/Majority | FPTP | 1 | 60 | 60 | Not applicable |
| 1997 | Plurality/Majority | FPTP | 1 | 60 | 60 | Not applicable |
| 1993 | Plurality/Majority | FPTP | 1 | 60 | 60 | Not applicable |
