Republic of The Congo (Brazzaville)
| 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 | TRS | 1 | 151 | 151 | TRS |
| 2017 | Plurality/Majority | TRS | 1 | 151 | 151 | TRS |
| 2007 | Plurality/Majority | TRS | 1 | 137 | 137 | TRS |
| 2002 | Plurality/Majority | TRS | 1 | 125 | 125 | TRS |
