Political parties at UK general elections
Every party that has won seats at a UK general election since 1918, or a significant share of the vote, with its best result and record.
| Party | Elections | Contested | Most seats | Best result | Latest seats | Latest share |
|---|---|---|---|---|---|---|
| Conservative | 1918–2024 | 29 | 18 | 453 1931 | 121 | 23.7% |
| Labour | 1918–2024 | 29 | 11 | 418 1997 | 411 | 33.7% |
| Liberal | 1918–2024 | 23 | 0 | 153 1923 | 0 | 0.02% |
| Liberal Democrats | 1992–2024 | 9 | 0 | 72 2024 | 72 | 12.2% |
| Scottish National Party | 1931–2024 | 22 | 0 | 56 2015 | 9 | 2.5% |
| National Liberal | 1922–1951 | 6 | 0 | 47 1922 | 19 | 3.7% |
| Coalition Liberal | 1918 | 1 | 0 | 121 1918 | 121 | 13.0% |
| Sinn Féin | 1918–2024 | 12 | 0 | 71 1918 | 7 | 0.7% |
| Democratic Unionist Party | February 1974–2024 | 14 | 0 | 10 2017 | 5 | 0.6% |
| Ulster Unionist Party | February 1974–2024 | 13 | 0 | 11 1983 | 1 | 0.3% |
| SDP–Liberal Alliance | 1983–1987 | 2 | 0 | 23 1983 | 22 | 22.6% |
| Plaid Cymru | 1931–2024 | 22 | 0 | 4 2024 | 4 | 0.7% |
| Social Democratic and Labour Party | February 1974–2024 | 14 | 0 | 4 1992 | 2 | 0.3% |
| National Labour | 1931–1935 | 2 | 0 | 18 1931 | 7 | 1.4% |
| Independent | 1918–2024 | 7 | 0 | 6 2024 | 6 | 2.0% |
| Independent Labour Party | 1931–1950 | 4 | 0 | 4 1935 | 0 | 0.01% |
| Coalition Labour | 1918 | 1 | 0 | 9 1918 | 9 | 1.6% |
| Green | 2010–2024 | 5 | 0 | 4 2024 | 4 | 6.8% |
| Constitutionalist | 1924 | 1 | 0 | 7 1924 | 7 | 1.2% |
| Irish Parliamentary Party | 1918 | 1 | 0 | 6 1918 | 6 | 2.1% |
| Reform UK | 2024 | 1 | 0 | 5 2024 | 5 | 14.3% |
| National | 1918–1950 | 4 | 0 | 4 1931 | 0 | 0.09% |
| Independent Conservative | 1918–1951 | 5 | 0 | 3 1922 | 2 | 0.2% |
| Speaker | 2010–2024 | 5 | 0 | 1 2024 | 1 | 0.09% |
| Vanguard Unionist Progressive Party | February 1974–October 1974 | 2 | 0 | 3 February 1974 | 2 | 0.2% |
| Alliance Party of Northern Ireland | February 1974–2024 | 12 | 0 | 1 2024 | 1 | 0.4% |
| Communist | 1922–1951 | 8 | 0 | 2 1945 | 0 | 0.08% |
| Independent Labour | 1918–1951 | 4 | 0 | 2 1918 | 0 | 0.0% |
| Labour Unionist | 1918 | 1 | 0 | 3 1918 | 3 | 0.3% |
| National Independent | 1945–1950 | 2 | 0 | 2 1945 | 0 | 0.0% |
| UK Independence Party | 2010–2024 | 5 | 0 | 1 2015 | 0 | 0.02% |
| Common Wealth | 1945 | 1 | 0 | 1 1945 | 1 | 0.4% |
| Traditional Unionist Voice | 2010–2024 | 4 | 0 | 1 2024 | 1 | 0.2% |
| Independent Liberal | 1918–1950 | 2 | 0 | 1 1918 | 0 | 0.02% |
| UK Unionist Party | 1997 | 1 | 0 | 1 1997 | 1 | 0.04% |
| Brexit Party | 2019 | 1 | 0 | 0 | 0 | 2.0% |
| British National Party | 2010–2019 | 4 | 0 | 0 | 0 | 0.0% |
| Workers Party of Britain | 2024 | 1 | 0 | 0 | 0 | 0.7% |
"Latest" is the party’s most recent general election. Parties that never won a seat are listed when they polled at least 150,000 votes in total.
Official results House of Commons Library and UK Parliament election results data. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. How we use this data