Gibraltar was first represented in European Elections in 2004 as part of the South West England constituency.

The Gibraltar Social Democrats have however endorsed the Conservatives in European and UK Parliamentary elections.

This was to a large part due to the perception that the Labour Government in Britain had "betrayed" Gibraltar by attempting to negotiate a constitutional settlement involving joint sovereignty with Spain.

[4] On the previous two occasions Gibraltar has participated in European elections, the Conservative Party had topped the poll.

[5] Consistent with the poor performance of the Conservatives throughout the UK in the 2019 European Parliament election, the party received just 2.7% of the votes in Gibraltar, moving into fifth place with the Liberal Democrats and the Brexit Party taking the first and second places in the election.