By July 29, 2016, the following (164) States were members of this Organization:

  • Afghanistan
  • Albania
  • Angola
  • Antigua and Barbuda
  • Argentina
  • Armenia
  • Australia
  • Austria
  • Bahrain
  • Bangladesh
  • Barbados
  • Belgium
  • Belize
  • Benin
  • Bolivia
  • Botswana
  • Brazil
  • Brunei Darussalam
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Canada
  • Central African Republic
  • Chad
  • Chile
  • China(1)
  • Colombia
  • Congo
  • Congo (Democratic Republic)
  • Costa Rica
  • Croatia
  • Cuba
  • Cyprus
  • Czech Republic
  • Denmark
  • Djibouti
  • Dominica
  • Dominican Republic
  • Ecuador
  • Egypt
  • El Salvador
  • Estonia
  • Eswatini
  • European Union
  • Fiji
  • Finland
  • France
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Grenada
  • Guatemala
  • Guinea
  • Guinea-Bissau
  • Guyana
  • Haiti
  • Honduras
  • Hong Kong SAR, China
  • Hungary
  • Iceland
  • India
  • Indonesia
  • Ireland
  • Israel
  • Italy
  • Ivory Coast
  • Jamaica
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Korea (South)
  • Kuwait
  • Kyrgyzstan
  • Laos
  • Latvia
  • Lesotho
  • Liberia
  • Liechtenstein
  • Lithuania
  • Luxembourg
  • Macao SAR, China
  • Madagascar
  • Malawi
  • Malaysia
  • Maldives
  • Mali
  • Malta
  • Mauritania
  • Mauritius
  • Mexico
  • Moldova
  • Mongolia
  • Montenegro
  • Morocco
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Netherlands(2)
  • New Zealand
  • Nicaragua
  • Niger
  • Nigeria
  • North Macedonia
  • Norway
  • Oman
  • Pakistan
  • Panama
  • Papua New Guinea
  • Paraguay
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Qatar
  • Romania
  • Russian Federation
  • Rwanda
  • St. Kitts and Nevis
  • St. Lucia
  • St. Vincent and the Grenadines
  • Samoa
  • Saudi Arabia
  • Senegal
  • Seychelles
  • Sierra Leone
  • Singapore
  • Slovakia
  • Slovenia
  • Solomon Islands
  • South Africa
  • Spain
  • Sri Lanka
  • Suriname
  • Sweden
  • Switzerland
  • Taiwan
  • Tajikistan
  • Tanzania
  • Thailand
  • Togo
  • Tonga
  • Trinidad and Tobago
  • Tunisia
  • Türkiye
  • Uganda
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States of America
  • Uruguay
  • Vanuatu
  • Venezuela
  • Vietnam
  • Yemen
  • Zambia
  • Zimbabwe.

(1)  as well as SAR Hong Kong and Macao.
(2)  including the Caribbean Netherlands (BES Islands).