Niger
| 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 |
|---|---|---|---|---|---|---|
| 2020 | PR | List PR | H | 171 | 171 | TRS |
| 2016 | PR | List PR | H | 171 | 171 | TRS |
| 2011 | PR | List PR | H | 113 | 113 | TRS |
| 2009 | PR | List PR | H | 113 | 113 | TRS |
| 2004 | PR | List PR | H | 113 | 113 | TRS |
| 1999 | PR | List PR | H | 83 | 83 | TRS |
| 1996 | PR | List PR | H | 83 | 83 | TRS |
| 1995 | PR | List PR | 2 | 83 | 83 | TRS |
| 1993 | PR | List PR | 2 | 83 | 83 | TRS |
