Oman
| 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 | Plurality/Majority |
|
H | 90 | 90 | Not applicable |
| 2019 | Plurality/Majority |
|
H | 86 | 86 | Not applicable |
| 2015 | Plurality/Majority |
|
H | 84 | 84 | Not applicable |
| 2011 | Plurality/Majority |
|
H | 84 | 84 | Not applicable |
| 2007 | Plurality/Majority |
|
H | 84 | 84 | Not applicable |
| 2003 | Plurality/Majority |
|
H | 83 | 83 | Not applicable |
| 2000 | Plurality/Majority |
|
H | 83 | 83 | Not applicable |
