Notional results for a UK general election on 12 December 2019 Elections contested by Sinn Féin

Elections contested Elections won

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 Electorate Turnout Votes Vote share Position
Belfast North 71,372 67.4% 23,158 48.1% 1st
Belfast South and Mid Down 71,978 66.2% 247 0.5% 6th
Belfast West 71,921 59.6% 20,786 48.5% 1st
East Antrim 69,936 57.4% 3,120 7.8% 4th
East Londonderry 72,213 56.9% 6,343 15.4% 3rd
Fermanagh and South Tyrone 74,643 69.2% 21,968 42.5% 1st
Foyle 69,890 63.4% 9,372 21.2% 2nd
Lagan Valley 76,332 59.9% 1,994 4.4% 4th
Mid Ulster 70,094 63.5% 20,372 45.7% 1st
Newry and Armagh 74,585 62.4% 19,088 41.0% 1st
North Antrim 71,165 57.1% 4,609 11.3% 4th
South Antrim 71,646 59.6% 4,858 11.4% 4th
South Down 71,772 62.7% 13,863 30.8% 1st
Strangford 70,070 56.8% 3,017 7.6% 5th
Upper Bann 76,969 60.3% 11,454 24.7% 2nd
West Tyrone 70,614 62.2% 17,604 40.1% 1st

Turnout as calculated by the House of Commons Library, is the total number of votes cast and not spoiled, divided by the size of the electorate.

Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.

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.