Aruba
| 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 |
|---|---|---|---|---|---|---|
| 2021 | PR | List PR | 1 | 21 | 21 | Not applicable |
| 2017 | PR | List PR | 1 | 21 | 21 | Not applicable |
| 2013 | PR | List PR | 1 | 21 | 21 | Not applicable |
