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What, if any, are the quorum requirements for a optional referendum to be valid? Please specify numbers/percentages.

total countries/territories: 130
Disclaimer: This section of Comparative Data is not being updated. Users should be aware that data may be inaccurate. If you find inaccuracies, please contact the ACE facilitators.
  • Afghanistan
    Turnout quorum
  • Albania
    Turnout quorum Approval quorum One third of all registered voters No quorom required Not applicable
  • Argentina
  • American Samoa
    Turnout quorum Approval quorum No quorom required Not applicable
  • Austria
    Turnout quorum Approval quorum No quorom required (X) Not applicable
  • Azerbaijan
    Turnout quorum 25 Approval quorum No quorom required Not applicable
  • Burkina Faso
    Turnout quorum Approval quorum X No quorom required Not applicable
  • Bulgaria
    Turnout quorum 51 Approval quorum 51 No quorom required Not applicable
  • Bahrain
    Turnout quorum Approval quorum No quorom required X Not applicable
  • Benin
    Turnout quorum Approval quorum No quorom required Not applicable OUI
  • Bolivia
    Turnout quorum Approval quorum No quorom required Not applicable
  • Botswana
    Turnout quorum Approval quorum No quorom required Not applicable x
  • Belarus
    Turnout quorum X Approval quorum No quorom required Not applicable
  • Canada
    Turnout quorum Approval quorum No quorom required X Not applicable
  • Switzerland
    Turnout quorum Approval quorum No quorom required X Not applicable
  • Côte d'Ivoire
    Turnout quorum Approval quorum oui No quorom required Not applicable
  • Cook Islands
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Chile
    Turnout quorum Approval quorum No quorom required x Not applicable
  • Costa Rica
    Turnout quorum
  • Cuba
    Turnout quorum
  • Denmark
    Turnout quorum 30 Approval quorum 51 No quorom required Not applicable
  • Algeria
    Turnout quorum Approval quorum X No quorom required Not applicable
  • Ecuador
    Turnout quorum Approval quorum No quorom required Not applicable **
  • Estonia
    Turnout quorum Approval quorum No quorom required Not applicable
  • Egypt
    Turnout quorum Approval quorum X No quorom required Not applicable
  • Western Sahara
    Turnout quorum Approval quorum X No quorom required Not applicable
  • Eritrea
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Ethiopia
    Turnout quorum Approval quorum No quorom required Not applicable x
  • Finland
    Turnout quorum Approval quorum No quorom required (X) Not applicable
  • Micronesia, Federated States of
    Turnout quorum Approval quorum No quorom required Not applicable
  • France
    No minimum quorum requirements.
  • United Kingdom of Great Britain and Northern Ireland
    Turnout quorum Approval quorum No quorom required (X) Not applicable
  • Georgia
    Turnout quorum Approval quorum No quorom required Not applicable
  • French Guiana
    Turnout quorum Approval quorum No quorom required Not applicable
  • Ghana
    Turnout quorum Approval quorum No quorom required Not applicable
  • Gambia
    Turnout quorum 75% of registered voters must take part Approval quorum No quorom required Not applicable
  • Greece
    Approval quorum
  • Guam
    Turnout quorum Approval quorum X No quorom required Not applicable
  • Croatia
    Turnout quorum Approval quorum No quorom required x Not applicable
  • Hungary
    Turnout quorum 51 Approval quorum 1/4 No quorom required Not applicable
  • Indonesia
    Turnout quorum Approval quorum No quorom required Not applicable
  • Israel
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Iraq
    Turnout quorum Approval quorum No quorom required X Not applicable
  • Iran, Islamic Republic of
    Turnout quorum Approval quorum No quorom required Not applicable
  • Iceland
    Turnout quorum Approval quorum No quorom required Not applicable
  • Italy
    The voter turnout must be more than 50%.
  • Jordan
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Japan
    Turnout quorum Approval quorum No quorom required Not applicable
  • Kenya
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Kyrgyzstan
    Turnout quorum Approval quorum No quorom required Not applicable
  • Kiribati
    Turnout quorum Approval quorum No quorom required Not applicable
  • Saint Kitts and Nevis
    No official information provided.
  • Korea, Republic of
    Turnout quorum Approval quorum No quorom required Not applicable
  • Kazakhstan
    Turnout quorum: 50% of electorate Referendum shall be considered as valid, if more than half of the citizens eligible to take part in the referendum have been voted. Decision on a questions submitted to referendum shall be considered as adopted if as a result of voting it has been supported by more than half of citizens, who have taken part in voting.
  • Lao People's Democratic Republic
    Turnout quorum Approval quorum No quorom required Not applicable
  • Lebanon
    Turnout quorum Approval quorum X No quorom required Not applicable
  • Liechtenstein
    Turnout quorum Approval quorum No quorom required (X) Not applicable
  • Sri Lanka
    Turnout quorum Approval quorum 50 % +1 of total electorate No quorom required Not applicable
  • Liberia
    Turnout quorum Approval quorum No quorom required yes Not applicable
  • Lesotho
    Turnout quorum Approval quorum No quorom required Not applicable x
  • Lithuania
    Turnout quorum 50% Approval quorum No quorom required Not applicable
  • Luxembourg
    Turnout quorum Approval quorum No quorom required Not applicable
  • Latvia
    Turnout quorum Approval quorum No quorom required Not applicable Not applicable.
  • Libyan Arab Jamahiriya
    Turnout quorum Approval quorum No quorom required Not applicable
  • Morocco
    Turnout quorum Approval quorum X No quorom required Not applicable
  • Moldova, Republic of
    Turnout quorum Approval quorum No quorom required X Not applicable
  • Macedonia, the Former Yugoslav Republic of
    Turnout quorum 50 % + Approval quorum 50 % + No quorom required Not applicable Article 23 The decision for a legislative referendum shall be considered adopted, if majority of the voters that voted, voted for that, if more than half of the total number of voters registered in the General Voters’ List voted.
  • Mali
    Turnout quorum Approval quorum majorite des suffrages exprimes No quorom required Not applicable
  • Mongolia
    Turnout quorum Approval quorum No quorom required Not applicable
  • Mauritania
    Turnout quorum Approval quorum No quorom required Not applicable
  • Mauritius
    Turnout quorum Approval quorum No quorom required Not applicable
  • Maldives
    Turnout quorum Approval quorum No quorom required Not applicable
  • Malawi
    Turnout quorum Approval quorum No quorom required Not applicable x
  • Malaysia
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Mozambique
    Turnout quorum Approval quorum No quorom required Not applicable x
  • Namibia
    Turnout quorum Approval quorum 2/3 No quorom required Not applicable
  • Niger
    Turnout quorum Approval quorum Majorite Absolue des suffrages exprimes No quorom required Not applicable
  • Nigeria
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Nicaragua
    Turnout quorum Approval quorum No quorom required Not applicable
  • Netherlands
    Turnout quorum Approval quorum No quorom required Not applicable
  • Norway
    Turnout quorum Approval quorum No quorom required X Not applicable
  • Nauru
    Turnout quorum Approval quorum No quorom required Not applicable
  • New Zealand
    Turnout quorum Approval quorum No quorom required Not applicable
  • Panama
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Peru
    Turnout quorum Approval quorum No quorom required Not applicable
  • Papua New Guinea
    Turnout quorum Approval quorum No quorom required Not applicable
  • Philippines
    Turnout quorum Approval quorum No quorom required Not applicable
  • Pakistan
    Turnout quorum Approval quorum No quorom required Not applicable
  • Poland
    Turnout quorum Approval quorum No quorom required yes Not applicable
  • Puerto Rico
    Turnout quorum
  • Palestine
    Turnout quorum Approval quorum No quorom required Not applicable
  • Portugal
    Turnout quorum (X) Approval quorum No quorom required Not applicable
  • Palau
    Turnout quorum Approval quorum No quorom required Not applicable
  • Paraguay
    Turnout quorum Approval quorum No quorom required Not applicable
  • Qatar
    Turnout quorum Approval quorum No quorom required Not applicable
  • Romania
    Turnout quorum Approval quorum No quorom required c: Not applicable
  • Russian Federation
    Turnout quorum 25% Approval quorum No quorom required Not applicable
  • Rwanda
    Turnout quorum Approval quorum No quorom required Not applicable
  • Solomon Islands
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Seychelles
    Turnout quorum Approval quorum No quorom required Not applicable x
  • Sudan
    Turnout quorum Approval quorum X No quorom required Not applicable
  • Sweden
    No quorom required X
  • Singapore
    Turnout quorum Approval quorum No quorom required Not applicable X
  • Slovenia
    Turnout quorum x Approval quorum x No quorom required Not applicable
  • Slovakia
    Turnout quorum 50 % +1 of total electorate Approval quorum 50 % +1 of total electorate No quorom required Not applicable
  • Sierra Leone
    Turnout quorum Approval quorum No quorom required Not applicable NONE
  • San Marino
    Turnout quorum Approval quorum No quorom required Not applicable
  • Senegal
    Turnout quorum Approval quorum Majorite des Trois Cinquiemes des Suffrages exprimes No quorom required Not applicable
  • Somalia
    Turnout quorum Approval quorum No quorom required Not applicable X
  • El Salvador
    Turnout quorum
  • Syrian Arab Republic
    Turnout quorum Approval quorum No quorom required Not applicable
  • Togo
    Turnout quorum Approval quorum No quorom required OUI Not applicable
  • Thailand
    Turnout quorum Approval quorum No quorom required Not applicable
  • Tajikistan
    Turnout quorum Approval quorum No quorom required Not applicable
  • Timor-Leste
    Turnout quorum 50 % +1 of total electorate Approval quorum No quorom required Not applicable
  • Turkmenistan
    Turnout quorum Approval quorum No quorom required Not applicable
  • Tunisia
    Turnout quorum Approval quorum X No quorom required Not applicable
  • Tonga
    N/A
  • Turkey
    Turnout quorum Approval quorum No quorom required X Not applicable
  • Taiwan
    For the matters prescribed in Paragraph 2 of Article 2, the number of proposers shall be not less than 1.5% of the total electorate in the most recent election of President and Vice President.
  • Tanzania, United Republic of
    Turnout quorum Approval quorum No quorom required Not applicable
  • Ukraine
    Turnout quorum Approval quorum No quorom required x Not applicable
  • Uganda
    Turnout quorum Approval quorum 2/3 majority of registered voters No quorom required Not applicable
  • United States of America
    Turnout quorum Approval quorum No quorom required Not applicable
  • Uzbekistan
    Turnout quorum Approval quorum No quorom required Not applicable
  • Viet Nam
    Turnout quorum Approval quorum No quorom required Not applicable
  • Vanuatu
    Turnout quorum Approval quorum No quorom required Not applicable
  • Yemen
    Turnout quorum Approval quorum X No quorom required Not applicable
  • South Africa
    Turnout quorum Approval quorum No quorom required Not applicable
  • Zimbabwe
    Turnout quorum Approval quorum No quorom required Not applicable