Three referendums were held in Liechtenstein during 1973.Dieter Nohlen & Philip Stöver (2010) Elections in Europe: A Data Handbook, p1174 The first was held on 11 February on introducing women's suffrage, but was rejected by 55.9% of voters. The second was held on 14 October on changing the electoral system to a candidate-based proportional system one, and was approved by 55.8% of voters. The third on 14 October was on reducing the electoral threshold from 18% to 8%,Nohlen & Stöver, p1159 and was approved by 67.9% of voters.
Results Women's suffrage ChoiceVotes%For1,67544.1Against2,12655.9Invalid/blank votes55–Total3,856100Registered voters/turnout4,48386.0Source: Nohlen & Stöver
New electoral system ChoiceVotes%For1,70555.8Against1,34944.2Invalid/blank votes276–Total3,330100Registered voters/turnout4,52873.5Source: Nohlen & Stöver
Electoral threshold ChoiceVotes%For2,08667.9Against98732.1Invalid/blank votes264–Total3,337100Registered voters/turnout4,52873.7Source: Nohlen & Stöver
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