Afghanistan
Declaration:
Algeria
Antigua and Barbuda
Declarations:
Argentina14
Upon signature:
Upon ratification:
Armenia
Austria15
Bahrain16,17
Declarations :
Barbados
Belarus
Belgium
Belize
Reservation:
Bhutan
Bosnia and Herzegovina2
Botswana
Brunei Darussalam
Bulgaria
Burundi
Canada18
20 October 1987
Central African Republic
China
Cuba
Cyprus
Czech Republic4
Denmark
Ecuador
Ethiopia
Reservation and declarations:
France19
Germany6,20
Greece21
18 April 1980
Guatemala
Holy See
Honduras22
21 August 2012
Hungary
India
Indonesia
Iran (Islamic Republic of)
Iraq
Ireland
Jamaica23
17 October 2003
Japan
Jordan16
Kenya
Kuwait
Lebanon
Liechtenstein
Lithuania
Luxembourg
Madagascar
Malawi
Malaysia
Malta
Mauritius24
Monaco
Mongolia
Montenegro7
Confirmation upon succession:
Reservations:
Morocco
Mozambique
Nepal
Netherlands (Kingdom of the)
New Zealand
Nigeria
North Macedonia2,8
Norway
Pakistan
Palau
31 March 2020
Philippines
Reservation
Declaration
Poland
Upon signature
Republic of Korea
Republic of Moldova
Romania
Russian Federation
Saudi Arabia
Serbia2
Seychelles25
Sierra Leone
Reservation and declaration:
Singapore
Slovakia4
Slovenia2,26
St. Vincent and the Grenadines
Suriname
Declaration made upon accession:
Switzerland27
Tajikistan
Tonga
Trinidad and Tobago
Tunisia
Türkiye
Turkmenistan
Declarations and Reservations:
Uganda
Ukraine
United Kingdom of Great Britain and Northern Ireland21
5 May 1980
United Republic of Tanzania
United States of America
Venezuela (Bolivarian Republic of)
Viet Nam
Germany<superscript>6</superscript>
29 December 1989
United Kingdom of Great Britain and Northern Ireland