San Marino
| 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 | PR | List PR | 1 | 60 | 60 | Not applicable |
| 2016 | PR | List PR | 1 | 60 | 60 | Not applicable |
| 2012 | PR | List PR | 1 | 60 | 60 | Not applicable |
| 2008 | PR | List PR | 1 | 60 | 60 | Not applicable |
| 2006 | PR | List PR | 1 | 60 | 60 | Not applicable |
| 2001 | PR | List PR | 1 | 60 | 60 | Not applicable |
| 1998 | PR | List PR | 1 | 60 | 60 | Not applicable |
