Cayman Islands
| 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 | 19 | 19 | Not applicable |
| 2021 | Plurality/Majority | FPTP | 1 | 19 | 19 | Not applicable |
| 2017 | Plurality/Majority | FPTP | 1 | 18 | 18 | Not applicable |
| 2013 | Plurality/Majority | BV | 1 | 18 | 18 | Not applicable |
| 2009 | Plurality/Majority | BV | 1 | 15 | 15 | Not applicable |
| 2005 | Plurality/Majority | BV | 1 | 15 | 15 | Not applicable |
