Socialist Labour Party (UK) election results

The Socialist Labour Party's results in general elections are as follows.

By-elections 2001–2005
=== 2005 general election results ===

The Party managed to get its highest percentage share in any individual parliamentary constituency at the 2005 general election when it gained 14.2% of the votes cast in Glasgow North East.

2010 general election results
The Socialist Labour Party ran 23 candidates in the 2010 general election, who received a total of 7,196 votes, fewer than 0.1% of the UK national vote. All lost their deposits. The best results were those of Kai Andersen in Liverpool West Derby (614 votes - 1.7%) and Ken Capstick in Barnsley East (601 votes - 1.6%). In the local elections held on the same day, Andersen also received 244 votes (4.2%) in the Croxteth ward of Liverpool.

2007 Welsh Assembly election
The Socialist Labour Party stood throughout every region in Wales and managed to qualify for its first Welsh Assembly electoral broadcast. Its votes had dropped by 0.1% in the three regions which it contested in 2003.

2011 Welsh Assembly election
The Socialist Labour Party stood throughout every region in Wales and managed to beat the British National Party in four regions out of the entire election and the Greens in two regions. Its vote went up by 1.2% giving it 2.4% of the national vote in 7th place pushing the BNP into 8th place.