Antigua and Barbuda
| 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 |
|---|---|---|---|---|---|---|
| 2023 | Plurality/Majority | FPTP | 1 | 17 | 17 | Not applicable |
| 2014 | Plurality/Majority | FPTP | 1 | 17 | 17 | Not applicable |
| 2009 | Plurality/Majority | FPTP | 1 | 17 | 17 | Not applicable |
| 2004 | Plurality/Majority | FPTP | 1 | 17 | 17 | Not applicable |
| 1999 | Plurality/Majority | FPTP | 1 | 17 | 17 | Not applicable |
| 1994 | Plurality/Majority | FPTP | 1 | 17 | 17 | Not applicable |
