Sri Lanka
| 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 | 2 | 225 | 225 | SV |
| 2015 | PR | List PR | 2 | 225 | 225 | SV |
| 2010 | PR | List PR | 2 | 225 | 225 | SV |
| 2004 | PR | List PR | 2 | 225 | 225 | SV |
| 2001 | PR | List PR | 2 | 225 | 225 | SV |
| 2000 | PR | List PR | 2 | 225 | 225 | SV |
| 1994 | PR | List PR | 2 | 225 | 225 | SV |
