This article lists the Social Democratic Federation's election results in UK parliamentary elections. It also includes the results of its successor, the British Socialist Party.

Summary of general election performance Year Number of Candidates Total votes Average voters per candidate Percentage of vote Saved deposits Change (%) Number of MPs 1885 3 657 219 0.0 N/A N/A 0 1886 0 N/A N/A N/A N/A N/A 0 1892 2 659 330 0.0 N/A N/A 0 1895 4 3,730 933 0.1 N/A +0.1 0 1900 2 6,997 3,499 0.2 N/A +0.1 0 1906 8 18,446 2,310 0.4 N/A +0.2 0 Jan 1910 9 13,479 1,498 0.2 N/A -0.2 0 Dec 1910 2 5,733 2,867 0.1 N/A -0.1 0 1918 16 71,762 4,485 0.7 13 +0.6 0

Elections results 1885 general election Constituency Candidate Votes % Position Hampstead 27 0.6 3 Kennington 32 0.5 3 Nottingham West 598 5.4 3

1892 general election Constituency Candidate Votes % Position Bethnal Green North East 106 2.0 3 Salford South 553 7.5 3

By-elections, 1892–1895 By-election Candidate Votes % Position 1895 Walworth by-election 347 6.8 3

1895 general election Constituency Candidate Votes % Position Burnley 1,498 12.4 3 Northampton 1,216 6.7 5 Salford South 813 10.8 3 Walworth 203 3.8 3

By-elections, 1895–1900 By-election Candidate Votes % Position 1896 Southampton by-election 274 2.4 1898 Reading by-election 270 3.1

1900 general election Constituency Candidate Votes % Position Bow and Bromley 2,558 36.7 2 West Ham South 4,439 44.2 2

For the 1900 general election, the Social Democratic Federation stood candidates as part of the Labour Representation Committee.

By-elections, 1900–1906 By-election Candidate Votes % Position 1902 Dewsbury by-election 1,597 13.6 3

1906 general election Constituency Candidate Votes % Position Aberdeen North 1,935 25.1 2 Accrington 4,852 38.3 2 Bradford East 3,090 22.8 3 Burnley 4,932 32.5 3 Camborne 109 1.5 3 Northampton 2,366 10.9 6 Northampton 2,544 11.7 5 Southampton 2,146 8.0 5

By-elections, 1906–1910 By-election Candidate Votes % Position 1908 Manchester North West by-election 276 2.6 3 1908 Haggerston by-election 986 17.7 3 1908 Newcastle-upon-Tyne by-election 2,971 10.4 3

January 1910 general election Constituency Candidate Votes % Position Aberdeen North 1,344 16.9 3 Bradford East 1,740 12.0 3 Burnley 4,948 30.2 3 Carlisle 777 11.3 3 Haggerston 701 11.1 3 Northampton 1,792 7.7 5 Northampton 1,617 7.0 6 Rochdale 1,755 12.6 3 Sheffield Brightside 510 4.7 3

December 1910 general election Constituency Candidate Votes % Position Burnley 3,810 23.8 3 Rochdale 1,901 14.5 3

By-elections, 1910–1918 By-election Candidate Votes % Position 1913 Leicester by-election 2,580 11.4 3 1913 Reading by-election 1,063 10.4 3 1914 Poplar by-election 893 11.6 3

The Social Democratic Party merged into the British Socialist Party in 1911. Hartley was endorsed by the Labour Party.

1918 general election Constituency Candidate Votes % Position Bradford South 8,291 30.9 2 Edmonton 3,575 25.7 2 Glasgow Gorbals 7,436 34.3 2 Glasgow Tradeston 3,751 19.4 2 Great Yarmouth 1,845 12.8 3 Greenock 2,542 11.2 3 Grimsby 9,015 33.7 2 Hastings 3,556 24.1 2 Islington North 4,000 19.3 2 Motherwell 4,135 23.2 3 Portsmouth Central 4,004 19.1 3 Salford South 3,807 19.0 2 Sheffield Central 643 4.0 3 Sheffield Park 3,167 20.4 2 Southampton 7,828 10.6 4 Walthamstow West 4,167 29.3 2

All candidates other than Arnall, Hirst and Murray stood for the Labour Party. Hirst stood for the Co-operative Party.

References

Martin Crick, The History of the Social Democratic Federation, pp.330-332