A constitutional referendum was held in South Korea on 22 October 1980.Dieter Nohlen, Florian Grotz & Christof Hartmann (2001) Elections in Asia: A data handbook, Volume II, p420 The changes to the constitution were approved by 91.6% of voters, with a turnout of 95.5%.Nohlen et al., p427
Results ChoiceVotes%For17,829,35491.6Against1,357,6738.4Invalid/blank votes266,899–Total19,453,926100Registered voters/turnout20,373,86995.5Source: Nohlen et al.
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