Hung parliaments
General elections where no party won a majority of seats, and what happened next.
| Election | Largest party | Seats | Overall majority | Vote share | Outcome |
|---|---|---|---|---|---|
| 2017 | Conservative | 317 / 650 | short by 9 | 42.3% | Hung parliament: Conservative minority government with a DUP confidence-and-supply agreement |
| 2010 | Conservative | 306 / 650 | short by 20 | 36.1% | Hung parliament: Conservative–Liberal Democrat coalition |
| February 1974 | Labour | 301 / 635 | short by 17 | 37.2% | Hung parliament: minority Labour government |
| 1929 | Labour | 272 / 615 | short by 36 ! | 37.2% | Hung parliament: minority Labour government |
| 1923 | Conservative | 244 / 615 | short by 64 ! | 38.0% | Hung parliament: minority Labour government from January 1924 |
Overall majority = seats of the largest party minus all other seats. 1918–1945 figures leave out multi-member and university seats, which the source does not split by party, so some majorities there are understated.
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