Social Democratic & Labour Party General elections
| General election | Constituencies contested | Votes | Constituencies won |
| 4 July 2024 | 18 | 86,861 | 2 |
| 12 December 2019 | 15 | 118,737 | 2 |
| 8 June 2017 | 18 | 95,419 | 0 |
| 7 May 2015 | 18 | 99,809 | 3 |
| 6 May 2010 | 18 | 110,970 | 3 |
| General election | Constituencies contested | Votes | Constituencies won |
| 4 July 2024 | 18 | 86,861 | 2 |
| 12 December 2019 | 15 | 118,737 | 2 |
| 8 June 2017 | 18 | 95,419 | 0 |
| 7 May 2015 | 18 | 99,809 | 3 |
| 6 May 2010 | 18 | 110,970 | 3 |