To restrict this template to a manageable size, only extant notable political parties active in the United Kingdom should be listed. Notability for the "Other national and regional parties" section can be established by:
having MEPs, MPs, MSPs, or assembly members within the last 5 years;
having elected representation in at least two geographically separate local council areas;
gaining more than 5,000 votes in any election in the United Kingdom in the last 5 years.