Northern Ireland, 2017 vs 2019: seat-by-seat change
Every constituency in Northern Ireland compared between the 2017 and 2019 general elections: which seats changed hands and how far each swung.
| Constituency | 2017 | 2019 | Majority | Con–Lab swing |
|---|---|---|---|---|
| Belfast East | DUP | DUP | 4.3% | +0.5 |
| Belfast North | DUP | SF gain | 4.0% | 0 |
| Belfast South | DUP | SDLP gain | 32.5% | +0.3 |
| Belfast West | SF | SF | 37.8% | 0 |
| East Antrim | DUP | DUP | 18.0% | −0.1 |
| East Londonderry | DUP | DUP | 24.4% | +0.4 |
| Fermanagh and South Tyrone | SF | SF | 0.1% | 0 |
| Foyle | SF | SDLP gain | 36.3% | 0 |
| Lagan Valley | DUP | DUP | 14.3% | −0.5 |
| Mid Ulster | SF | SF | 21.4% | 0 |
| Newry and Armagh | SF | SF | 18.3% | 0 |
| North Antrim | DUP | DUP | 28.9% | 0 |
| North Down | Ind | APNI gain | 7.3% | −1.2 |
| South Antrim | DUP | DUP | 6.3% | 0 |
| South Down | SF | SF | 3.3% | 0 |
| Strangford | DUP | DUP | 18.9% | −1.3 |
| Upper Bann | DUP | DUP | 16.4% | 0 |
| West Tyrone | SF | SF | 18.2% | 0 |
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