Requirements for a referendum to pass
Ukraine
Answer
- Mandatory referendum - simple majority
- Optional referendum - simple majority
Source
Law of Ukraine onall-Ukrainian and Local Referendums
http://www.legislationline.org/documents/action/popup/id/7114
ARTICLE 41.
[…]
The draft of the law orresolution shall be considered approved if more than fifty percent of thosecitizens who participated in the referendum, voted for this law or resolution.