Coalition Builder

General Elections in the United Kingdom have generally produced single party governments with an overall majority of the seats in the House of Commons. Since the end of the second World War in 1945, all but three of the 20 elections have produced such majorities. The other three have produced 'hung' parliaments, where no single party has had more MPs than all of the other parties combined. In order to govern, parties would have to strike up deals such as coalitions or Confidence and Supply pacts in order to ensure that they have the necessary support to get their laws through the House of Commons.


The interactive tool below can be used to try and build majority coalition. Remove all of the parties by clicking their names and then click on them again to start building a coalition. Data from the Complete Politics Nowcast is loaded by default, but historic hung parliaments are available for comparison. 

© 2019 Complete Politics