Italy
| 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 |
|---|---|---|---|---|---|---|
| 2022 | Mixed | Parallel | 2 | 400 | 400 | Not applicable |
| 2018 | Mixed | Parallel | 2 | 630 | 630 | Not applicable |
| 2013 | PR | List PR | 1 | 630 | 630 | Not applicable |
| 2008 | PR | List PR | 1 | 630 | 630 | Not applicable |
| 2006 | PR | List PR | 1 | 630 | 630 | Not applicable |
| 2001 | Mixed | MMP | 2 | 630 | 630 | Not applicable |
| 1996 | Mixed | MMP | 2 | 630 | 630 | Not applicable |
| 1994 | Mixed | MMP | 2 | 630 | 630 | Not applicable |
| 1992 | PR | List PR | 1 | 630 | 630 | Not applicable |
