Viet Nam
| 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 | Plurality/Majority | TRS | 1 | 500 | 500 | Not applicable |
| 2016 | Plurality/Majority | TRS | 1 | 496 | 496 | Not applicable |
| 2011 | Plurality/Majority | TRS | 1 | 500 | 500 | Not applicable |
| 2007 | Plurality/Majority | TRS | 1 | 493 | 493 | Not applicable |
| 2002 | Plurality/Majority | TRS | 1 | 498 | 498 | Not applicable |
| 1997 | Plurality/Majority | TRS | 1 | 450 | 450 | Not applicable |
| 1992 | Plurality/Majority | TRS | 1 | 395 | 395 | Not applicable |
