Dominica
| 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 | 21 | 32 | Not applicable |
| 2019 | Plurality/Majority | FPTP | 1 | 21 | 32 | Not applicable |
| 2014 | Plurality/Majority | FPTP | 1 | 21 | 32 | Not applicable |
| 2009 | Plurality/Majority | FPTP | 1 | 21 | 32 | Not applicable |
| 2005 | Plurality/Majority | FPTP | 1 | 21 | 31 | Not applicable |
| 2000 | Plurality/Majority | FPTP | 1 | 21 | 32 | Not applicable |
| 1995 | Plurality/Majority | FPTP | 1 | 21 | 31 | Not applicable |
