General Elections
| Election | Seats | Candidates | First Pref Share | Votes | Constituencies Contested |
| 2024 general election | 39 | 71 | 19.0% | 418627 | 43/43 |
| 2020 general election | 37 | 42 | 24.5% | 535573 | 38/39 |
| 2016 general election | 23 | 50 | 13.9% | 295313 | 40/40 |
| 2011 general election | 14 | 41 | 9.9% | 220686 | 38/43 |
| 2007 general election | 4 | 41 | 6.9% | 143410 | 40/43 |
| 2002 general election | 5 | 37 | 6.5% | 121020 | 34/42 |
| 1997 general election | 1 | 15 | 2.6% | 45614 | 14/41 |
| 1992 general election | 0 | 41 | 1.6% | 27807 | 37/41 |
| 1989 general election | 0 | 14 | 1.2% | 20001 | 12/41 |
| 1987 general election | 0 | 27 | 1.9% | 32933 | 24/41 |
| 1982 (Feb) general election | 0 | 5 | 0.8% | 13151 | 5/41 |
| 1961 general election | 0 | 21 | 3.1% | 36396 | 21/38 |
| 1957 general election | 4 | 19 | 5.4% | 65640 | 19/40 |
| 1954 general election | 0 | 2 | 0.2% | 1990 | 2/40 |
| 1927 (Jun) general election | 5 | 15 | 3.6% | 41403 | 15/28 |