Andorra
| 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 | Mixed | Parallel | 2.00 | 28 | 28 | Not applicable |
| 2019 | Mixed | Parallel | 2 | 28 | 28 | Not applicable |
| 2015 | Mixed | Parallel | 2 | 28 | 28 | Not applicable |
| 2011 | Mixed | Parallel | 2 | 28 | 28 | Not applicable |