Ukraine
| 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 |
|---|---|---|---|---|---|---|
| 2019 | Mixed | Parallel | 2 | 424 | 424 | TRS |
| 2014 | Mixed | Parallel | 2 | 450 | 450 | TRS |
| 2012 | Mixed | Parallel | 2 | 450 | 450 | TRS |
| 2007 | PR | List PR | 1 | 450 | 450 | TRS |
| 2006 | PR | List PR | 1 | 450 | 450 | TRS |
| 2002 | Mixed | Parallel | 2 | 450 | 450 | TRS |
| 1998 | Mixed | Parallel | 2 | 450 | 450 | TRS |
| 1994 | Plurality/Majority | TRS | 1 | 450 | 450 | TRS |
