Azerbaijan
| 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 |
|---|---|---|---|---|---|---|
| 2024 | Plurality/Majority | FPTP | 1 | 125 | 125 | FPTP |
| 2020 | Plurality/Majority | FPTP | 1 | 125 | 125 | TRS |
| 2015 | Plurality/Majority | FPTP | 1 | 125 | 125 | TRS |
| 2010 | Plurality/Majority | FPTP | 1 | 125 | 125 | TRS |
| 2006 | Plurality/Majority | FPTP | 1 | 125 | 125 | TRS |
| 2005 | Plurality/Majority | FPTP | 1 | 125 | 125 | TRS |
| 2000 | Mixed | Parallel | 2 | 125 | 125 | TRS |
| 1995 | Mixed | Parallel | 2 | 125 | 125 | TRS |
