Notional results for a UK general election on 5 May 2005 Elections contested by Sinn Féin

Elections contested Elections won

A notional general election to the 54th Parliament of the United Kingdom with an electorate of 40,611,844, having 24,814,623 valid votes.

Constituency Electorate Turnout Votes Vote share Position
Belfast East 52,899 58.3% 1,029 3.3% 4th
Belfast North 52,535 58.1% 8,747 28.6% 2nd
Belfast South 52,218 61.3% 2,882 9.0% 4th
Belfast West 53,536 64.5% 24,348 70.5% 1st
East Antrim 57,966 54.8% 828 2.6% 5th
East Londonderry 58,461 60.7% 5,709 16.1% 4th
Fermanagh and South Tyrone 66,415 73.5% 18,638 38.2% 1st
Foyle 68,758 66.3% 15,162 33.2% 2nd
Lagan Valley 70,238 60.6% 3,197 7.5% 4th
Mid Ulster 62,088 73.2% 21,641 47.6% 1st
Newry and Armagh 71,771 70.6% 20,965 41.4% 1st
North Antrim 73,938 62.1% 7,191 15.7% 2nd
North Down 59,358 54.4% 205 0.6% 5th
South Antrim 66,580 57.0% 4,407 11.6% 4th
South Down 73,175 65.8% 12,417 25.8% 2nd
Strangford 68,570 54.0% 949 2.6% 5th
Upper Bann 71,645 62.0% 9,305 20.9% 3rd
West Tyrone 59,842 72.7% 16,910 38.9% 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 2005 general election result in new constituencies

Colin Rallings and Michael Thrasher, then at the University of Plymouth, produced estimates of the 2005 general election result as if the new constituencies recommended by the separate Parliamentary Boundary Commissions for England, Wales and Northern Ireland had then been in existence.

The Elections Centre, established by Professors Colin Rallings and Michael Thrasher, moved to the University of Exeter in 2003.