A constitutional referendum was held in Yemen on 15 and 16 May 1991.Dieter Nohlen, Florian Grotz & Christof Hartmann (2001) Elections in Asia: A data handbook, Volume I, p301 The new constitution was reportedly approved by 98.5% of voters, with a 72.2% turnout.Nohlen et al., p303
Results ChoiceVotes%For1,341,24798.5Against20,4091.5Invalid/blank votes3,132–Total1,364,788100Registered voters/turnout1,890,64672.2Source: Nohlen et al.
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