This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.
Summary
DescriptionEngland and Wales mayoral referendums.svg
English: Map showing referendum results by authority.
Authorities which have accepted proposals for a directly-elected mayor
Authorities which have rejected proposals for a directly-elected mayor
Authorities which have had no referendum
Scotland (where local governance is devolved)
Date
Source
Own work
Author
MrPenguin20
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.