Turkey
| 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 | PR | List PR | 1.00 | 600 | 600 | TRS |
| 2018 | PR | List PR | 1 | 600 | 600 | TRS |
| 2015 | PR | List PR | 1 | 550 | 550 | TRS |
| 2011 | PR | List PR | 1 | 550 | 550 | Not applicable |
| 2007 | PR | List PR | 1 | 550 | 550 | Not applicable |
| 2002 | PR | List PR | 1 | 550 | 550 | Not applicable |
| 1999 | PR | List PR | 1 | 550 | 550 | Not applicable |
