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.

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