Notional results for a UK general election on 12 December 2019 Northern Ireland - by majority

Parties Constituencies Majorities Vote shares of winning candidates Turnouts

A notional general election to the 58th Parliament of the United Kingdom with an electorate of 47,558,398, having 32,014,119 valid votes.

Constituency Winning party Valid votes Majority (votes) Majority (%)
Foyle SDLP 44,276 16,413 37.1%
North Antrim DUP 40,622 13,765 33.9%
Belfast West SF 42,899 12,997 30.3%
Belfast South and Mid Down SDLP 47,669 13,322 27.9%
East Londonderry DUP 41,101 9,707 23.6%
Mid Ulster SF 44,534 9,806 22.0%
Newry and Armagh SF 46,571 9,673 20.8%
West Tyrone SF 43,891 8,074 18.4%
Lagan Valley DUP 45,707 7,475 16.4%
Upper Bann DUP 46,442 7,477 16.1%
East Antrim DUP 40,156 6,395 15.9%
Strangford DUP 39,834 5,677 14.3%
Belfast North SF 48,140 3,739 7.8%
South Antrim DUP 42,668 3,036 7.1%
North Down APNI 42,757 2,641 6.2%
Belfast East DUP 45,126 2,626 5.8%
South Down SF 45,007 1,623 3.6%
Fermanagh and South Tyrone SF 51,635 510 1.0%

Estimates of the 2019 general election result in new constituencies

BBC News, ITV News, Sky News and the Press Association have together produced estimates of the 2019 general election result as if the new constituencies recommended by the separate Parliamentary Boundary Commissions for England, Scotland, Wales and Northern Ireland had then been in existence.

Rallings & Thrasher, Professor David Denver (Scotland), Nicholas Whyte (NI) for Sky News, PA, BBC News and ITV News.

An explanation of the methods used and the electoral impact of the changes can be found in the linked document.