El Salvador
| 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 | PR | List PR | 1 | 60 | 60 | TRS |
| 2021 | PR | List PR | 1 | 84 | 84 | TRS |
| 2018 | PR | List PR | 1 | 84 | 84 | TRS |
| 2015 | PR | List PR | 1 | 84 | 84 | TRS |
| 2009 | PR | List PR | 1 | 84 | 84 | TRS |
| 2006 | PR | List PR | 1 | 84 | 84 | TRS |
| 2003 | PR | List PR | 2 | 84 | 84 | TRS |
| 2000 | PR | List PR | 2 | 84 | 84 | TRS |
| 1997 | PR | List PR | 2 | 84 | 84 | TRS |
| 1994 | PR | List PR | 2 | 84 | 84 | TRS |
| 1991 | PR | List PR | 2 | 84 | 84 | TRS |
