[2][failed verification] The approximately 900 members of the party in Wales were eligible to vote in the election.

[4] In May 2018, Caroline Jones replaced Hamilton after a majority vote in the then five-strong Assembly group.

[6] Gareth Bennett won the UKIP Welsh Assembly leadership election on 10 August 2018.

The party increased the franchise for the election, changing to a twenty-eight-day cutoff instead of the originally planned for a six-month cut-off.

[3] The vote had been scheduled to conclude by the end of July, but the count was moved to 10 August following issues printing ballots.