Northern Ireland, 2010 vs 2015: seat-by-seat change
Every constituency in Northern Ireland compared between the 2010 and 2015 general elections: which seats changed hands and how far each swung.
| Constituency | 2010 | 2015 | Majority | Con–Lab swing |
|---|---|---|---|---|
| Belfast East | APNI | DUP gain | 6.5% | −1.4 |
| Belfast North | DUP | DUP | 13.1% | 0 |
| Belfast South | SDLP | SDLP | 2.3% | −0.7 |
| Belfast West | SF | SF | 35.0% | −0.1 |
| East Antrim | DUP | DUP | 17.3% | −0.8 |
| East Londonderry | DUP | DUP | 22.5% | −0.6 |
| Fermanagh and South Tyrone | SF | UUP gain | 1.0% | 0 |
| Foyle | SDLP | SDLP | 16.3% | −0.2 |
| Lagan Valley | DUP | DUP | 32.7% | −0.8 |
| Mid Ulster | SF | SF | 33.3% | −0.1 |
| Newry and Armagh | SF | SF | 8.4% | −0.2 |
| North Antrim | DUP | DUP | 27.6% | −0.4 |
| North Down | Ind | Ind | 25.6% | −2.2 |
| South Antrim | DUP | UUP gain | 2.6% | −0.6 |
| South Down | SDLP | SDLP | 13.8% | −0.4 |
| Strangford | DUP | DUP | 30.0% | −3.2 |
| Upper Bann | DUP | DUP | 4.8% | −0.2 |
| West Tyrone | SF | SF | 26.0% | −0.2 |
Official results House of Commons Library and UK Parliament election results data. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. How we use this data