On June 9, 2022, it comprises the following (179) States*:
- Afghanistan
- Albania
- Algeria
- Andorra
- Angola
- Antigua and Barbuda
- Argentina(3)
- Armenia
- Australia
- Austria
- Azerbaijan
- Bahamas(3)
- Bahrain
- Bangladesh
- Barbados
- Belarus
- Belgium
- Belize
- Benin
- Bhutan
- Bolivia
- Bosnia and Herzegovina
- Botswana
- Brazil
- Brunei Darussalam
- Bulgaria
- Burkina Faso
- Burundi
- Cabo Verde
- Cambodia
- Cameroon
- Canada
- Central African Republic
- Chad
- Chile
- China
- Colombia
- Comoros
- Congo
- Congo (Democratic Republic)
- Costa Rica
- Croatia
- Cuba
- Cyprus
- Czech Republic
- Denmark
- Djibouti
- Dominica
- Dominican Republic(1)
- Ecuador
- Egypt
- El Salvador
- Equatorial Guinea
- Estonia
- Eswatini
- Finland
- France
- Gabon
- Gambia
- Georgia
- Germany
- Ghana
- Greece
- Grenada
- Guatemala
- Guinea
- Guinea-Bissau
- Guyana
- Haiti
- Holy See (Vatican)
- Honduras
- Hungary
- Iceland
- India
- Indonesia
- Iran
- Iraq
- Ireland
- Israel
- Italy
- Ivory Coast
- Jamaica
- Japan
- Jordan
- Kazakhstan
- Kenya
- Kiribati
- Korea (North)
- Korea (South)
- Kuwait
- Kyrgyzstan
- Laos
- Latvia
- Lebanon(3)
- Lesotho
- Liberia
- Libya
- Liechtenstein
- Lithuania
- Luxembourg
- Madagascar
- Malawi
- Malaysia
- Mali
- Malta(3)
- Mauritania
- Mauritius
- Mexico
- Moldova
- Monaco
- Mongolia
- Montenegro
- Morocco
- Mozambique
- Namibia
- Nepal
- Netherlands
- New Zealand(3)
- Nicaragua
- Niger
- Nigeria(2)
- North Macedonia
- Norway
- Oman
- Pakistan
- Panama
- Papua New Guinea
- Paraguay
- Peru
- Philippines(3)
- Poland
- Portugal
- Qatar
- Romania
- Russian Federation
- Rwanda
- St. Kitts and Nevis
- St. Lucia
- St. Vincent and the Grenadines
- Samoa
- San Marino
- São Tomé and Príncipe
- Saudi Arabia
- Senegal
- Serbia
- Seychelles
- Sierra Leone
- Singapore
- Slovakia
- Slovenia
- South Africa
- Spain
- Sri Lanka(3)
- Sudan
- Suriname
- Sweden
- Switzerland
- Syria
- Tajikistan
- Tanzania(3)
- Thailand
- Togo
- Tonga
- Trinidad and Tobago
- Tunisia
- Türkiye
- Turkmenistan
- Uganda
- Ukraine
- United Arab Emirates
- United Kingdom
- United States of America
- Uruguay
- Uzbekistan
- Venezuela
- Vietnam
- Yemen
- Zambia(3)
- Zimbabwe.
* All States are parties of the Stockholm Act with the following exceptions:
(1) Party to the Act of The Hague.
(2) Party to the Lisbon Act.
(3) Party to the London Act or Lisbon Act, Stockholm Act Articles 13 to 30.