Poland
| 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 | 460 | 460 | TRS |
| 2019 | PR | List PR | 1 | 460 | 460 | TRS |
| 2015 | PR | List PR | 1 | 460 | 460 | TRS |
| 2011 | PR | List PR | 1 | 460 | 460 | TRS |
| 2007 | PR | List PR | 1 | 460 | 460 | TRS |
| 2005 | PR | List PR | 1 | 460 | 460 | TRS |
| 2001 | PR | List PR | 1 | 460 | 460 | TRS |
| 1997 | PR | List PR | 1 | 460 | 460 | TRS |
| 1993 | PR | List PR | 2 | 460 | 460 | TRS |
| 1991 | PR | List PR | 2 | 460 | 460 | TRS |
