Requirements for a referendum to pass
Turkey
- Mandatory referendum - simple majority
- Optional referendum - simple majority
TheConstitution of the Republic of Turkey
(Adopted in7 November 1982, last amended 17 October 2001)
http://www.anayasa.gov.tr/images/loaded/pdf_dosyalari/THE_CONSTITUTION_OF_THE_REPUBLIC_OF_TURKEY.pdf
Part 7, I,Amendment of the Constitution, Participation in Elections and Referenda,
Article175. (Amended on 17 May 1987)
[…] Laws related to Constitutionalamendment which are submitted to referendum, shall require the approval of morethan half of the valid votes cast […]