| The United Kingdom of Great Britain and Northern Ireland | Great Britain and Northern Ireland | 15th May 1933 | 1st June 1967 |
| The Channel Islands | 15th May 1933 | 1st June 1967 |
| The Isle of Man | 15th May 1933 | 1st June 1967 |
| Anguilla | 3rd March 1935 | |
| Bermuda | 3rd March 1935 | 1st June 1967 |
| British Antarctic Territory | 3rd March 1935 | 1st June 1967 |
| British Indian Ocean Territory | 3rd March 1935 | 1st June 1967 |
| British Virgin Islands | 3rd March 1935 | 1st June 1967 |
| Cayman Islands | 3rd March 1935 | 1st June 1967 |
| Falkland Islands | 3rd March 1935 | 1st June 1967 |
| Gibraltar | 3rd March 1935 | 1st June 1967 |
| Hong Kong | 3rd March 1935 | 1st June 1967 |
| Montserrat | 3rd March 1935 | 1st June 1967 |
| St Helena and Ascension | 3rd March 1935 | 1st June 1967 |
| South Georgia and the South Sandwich Islands | 3rd March 1935 | 1st June 1967 |
| The Sovereign Base Areas of Akrotiri and Dhekelia | 3rd March 1935 | 1st June 1967 |
| Turks and Caicos Islands | 3rd March 1935 | 1st June 1967 |
| Afghanistan | Afghanistan | 21st May 1969 | 21st May 1969 |
| The Democratic and Popular Republic of Algeria | Algeria | | 31st August 1964 |
| Antigua and Barbuda | Antigua and Barbuda | 3rd March 1935 | |
| The Argentine Republic | Argentina | 19th June 1952 | 10th September 1969 |
| The Commonwealth of Australia | Australia and all external territories for the international affairs of which Australia is responsible | 30th October 1935 | 1st August 1963 |
| The Republic of Austria | Austria | 27th December 1961 | 24th June 1971 |
| The Commonwealth of the Bahamas | Bahamas | 3rd March 1935 | 1st June 1967 |
| The People’s Republic of Bangladesh | Bangladesh | 18th February 1935 | 1st August 1963 |
| Barbados | Barbados | 3rd March 1935 | |
| The Kingdom of Belgium | Belgium | 11th October 1936 | 25th November 1963 |
| Belize | Belize | 3rd March 1935 | 1st June 1967 |
| The People’s Republic of Benin | Benin | 13th February 1933 | 1st August 1963 |
| The Republic of Botswana | Botswana | 1st December 1952 | |
| The Federative Republic of Brazil | Brazil | 13th February 1933 | 14th September 1964 |
| Brunei Darussalam | Brunei | 2nd October 1936 | |
| The People’s Republic of Bulgaria | Bulgaria | 23rd September 1949 | 13th March 1964 |
| The People’s Democratic Republic of Burkina | Burkina | 9th March 1962 | |
| The Socialist Republic of the Union of Burma | Burma | 18th February 1935 | |
| Cambodia | Cambodia | 13th February 1933 | |
| The Republic of Cameroon | Cameroon | 13th February 1933 | 1st August 1963 |
| Canada | Canada | 8th September 1947 (except for the Province of Newfoundland) 5th July 1939 (for Newfoundland) | 17th July 1964 |
| The Republic of Chad | Chad | 13th February 1933 | |
| The Republic of Chile | Chile | 31st May 1979 | 31st May 1979 |
| The People’s Republic of China | China | 18th October 1958 | 18th November 1975 |
| The Republic of Colombia | Colombia | 13th November 1966 | 13th November 1966 |
| The People’s Republic of the Congo | Congo | 13th February 1933 | 1st August 1963 |
| The Republic of Côte d'Ivoire | Ivory Coast | 13th February 1933 | 1st August 1963 |
| The Republic of Cuba | Cuba | 19th October 1964 | 28th November 1965 |
| The Republic of Cyprus | The territory of the Republic of Cyprus | 3rd March 1935 | 21st October 1970 |
| The Czechoslovak Socialist Republic | Czechoslovakia | 15th February 1935 | 1st August 1963 |
| The Kingdom of Denmark | Denmark, Greenland and the Faroe Islands | 1st October 1937 | 1st August 1963 |
| The Commonwealth of Dominica | Dominica | 3rd March 1935 | |
| The Dominican Republic | Dominican Republic | 25th May 1972 | 25th May 1972 |
| The Republic of Ecuador | Ecuador | 1st March 1970 | 1st March 1970 |
| The Arab Republic of Egypt | Egypt | 5th December 1955 | 1st August 1963 |
| The Republic of El Salvador | El Salvador | | 1st August 1963 |
| Socialist Ethiopia | Ethiopia | 12th November 1950 | |
| Fiji | Fiji | 3rd March 1935 | 1st June 1967 |
| The Republic of Finland | Finland | 1st October 1937 | 23rd August 1977 |
| The French Republic | France and all Overseas Departments and territories subject to the sovereignty or authority of the French Republic | 13th February 1933 | 1st August 1963 |
| The Gabonese Republic | Gabon | 16th May 1969 | 16th May 1969 |
| The Republic of The Gambia | The Gambia | 3rd March 1935 | |
| Germany | Germany | 29th December 1933 | |
| The Federal Republic of Germany | Federal Republic of Germany and Berlin (West) | | 1st August 1963 |
| The German Democratic Republic | German Democratic Republic and Berlin (East) | | 22nd December 1972 |
| The Republic of Ghana | Ghana | 3rd March 1935 | |
| Grenada | Grenada | 3rd March 1935 | 13th November 1985 |
| The Republic of Guatemala | Guatemala | | 26th October 1971 |
| The Republic of Guinea | Guinea | 10th December 1961 | |
| The Co-operative Republic of Guyana | Guyana | 3rd March 1935 | |
| The Hellenic Republic | Greece | 11th April 1938 | 21st September 1965 |
| The Hungarian People’s Republic | Hungary | 27th August 1936 | 1st August 1963 |
| The Republic of Iceland | Iceland | 19th November 1948 | 1st August 1963 |
| The Republic of India | India | 18th February 1935 | 15th May 1973 |
| The Republic of Indonesia | Indonesia | 29th September 1933 | |
| The Islamic Republic of Iran | Iran | 6th October 1975 | 6th October 1975 |
| The Republic of Iraq | Iraq | 26th September 1972 | 26th September 1972 |
| The Republic of Ireland | The territory of the Republic of Ireland | 19th December 1935 | 1st August 1963 |
| The State of Israel | Israel | 6th January 1950 | 3rd November 1964 |
| The Italian Republic | Italy | 15th May 1933 | 2nd August 1963 |
| Jamaica | Jamaica | 3rd March 1935 | |
| Japan | Japan | 18th August 1953 | 8th November 1967 |
| The Hashemite Kingdom of Jordan | Jordan | 17th March 1938 | 13th February 1974 |
| The Republic of Kenya | Kenya | 3rd March 1935 | |
| The Republic of Kiribati | Kiribati | 3rd March 1935 | 1st June 1967 |
| The Republic of Korea | South Korea | | 11th October 1967 |
| The State of Kuwait | Kuwait | 9th November 1975 | 9th November 1975 |
| The Lao People’s Democratic Republic | Laos | 13th February 1933 | 1st August 1963 |
| The Lebanese Republic | Lebanon | 24th January 1934 | 8th August 1978 |
| The Kingdom of Lesotho | Lesotho | 1st December 1952 | 15th January 1976 |
| The Republic of Liberia | Liberia | 31st July 1942 | |
| The Great Socialist People’s Libyan Arab Jamahiriya | Libya | 14th August 1969 | 14th August 1969 |
| The Principality of Liechtenstein | Liechtenstein | 7th August 1934 | 3rd April 1966 |
| The Grand Duchy of Luxembourg | Luxembourg | 5th January 1950 | 1st August 1963 |
| The Democratic Republic of Madagascar | Madagascar | 13th February 1933 | 1st August 1963 |
| The Republic of Malawi | Malawi | 25th January 1978 | 7th September 1971 |
| Malaysia | Malaysia | 2nd October 1936 (except for Malacca and Penang) 3rd March 1935 (for Malacca and Penang) | 19th December 1974 |
| The Republic of Mali | Mali | 13th February 1933 | 29th March 1964 |
| The Republic of Malta | Malta | 3rd March 1935 | |
| The Islamic Republic of Mauritania | Mauritania | 13th February 1933 | |
| Mauritius | Mauritius | 3rd March 1935 | 1st June 1967 |
| The United Mexican States | Mexico | 15th May 1933 | 1st August 1963 |
| The Principality of Monaco | Monaco | | 8th July 1979 |
| The Mongolian People’s Republic | Mongolia | 29th July 1962 | |
| The Kingdom of Morocco | Morocco | 5th April 1958 | 15th February 1976 |
| The Republic of Nauru | Nauru | 30th October 1935 | 1st August 1963 |
| The Kingdom of Nepal | Nepal | 13th May 1966 | 13th May 1966 |
| The Kingdom of the Netherlands | The Netherlands and all territories subject to the sovereignty or authority of the Kingdom of the Netherlands | 29th September 1933 | 1st August 1963 |
| New Zealand | New Zealand (including the Cook Islands and the Tokelau Islands) | 5th July 1937 | 14th June 1967 |
| The Republic of Niger | Niger | 13th February 1933 | 1st August 1963 |
| The Federal Republic of Nigeria | Nigeria | 3rd March 1935 | 29th September 1969 |
| The Kingdom of Norway | Norway and all territories subject to the sovereignty or authority of the Kingdom of Norway | 1st October 1937 | 1st August 1963 |
| The Sultanate of Oman | Oman | 4th November 1976 | 2nd November 1987 |
| The Islamic Republic of Pakistan | Pakistan | 18th February 1935 | 1st August 1963 |
| The Independent State of Papua New Guinea | Papua New Guinea | 30th October 1935 | 1st August 1963 |
| The Republic of Paraguay | Paraguay | 26th November 1969 | 26th November 1969 |
| The Republic of the Philippines | The Philippines | 7th February 1951 | 28th February 1967 |
| The Polish People’s Republic | Poland | 13th February 1933 | 1st August 1963 |
| The Portuguese Republic | Portugal and all territories subject to the sovereignty or authority of the Portuguese Republic | 18th June 1947 | 15th December 1963 |
| The State of Qatar | Qatar | 21st March 1987 | 21st March 1987 |
| The Socialist Republic of Romania | Romania | 13th February 1933 | 1st August 1963 |
| The Republic of Rwanda | Rwanda | 11th October 1936 | |
| The Federation of Saint Christopher and Nevis | Saint Christopher and Nevis | 3rd March 1935 | |
| Saint Lucia | Saint Lucia | 3rd March 1935 | |
| Saint Vincent and the Grenadines | Saint Vincent and the Grenadines | 3rd March 1935 | |
| The Kingdom of Saudi Arabia | Saudia Arabia | 27th April 1969 | 27th April 1969 |
| The Republic of Senegal | Senegal | 13th February 1933 | 17th September 1964 |
| The Republic of Seychelles | Seychelles | 22nd September 1980 | 22nd September 1980 |
| The Republic of Sierra Leone | Sierra Leone | 3rd March 1935 | |
| The Republic of Singapore | Singapore | 3rd December 1971 | 4th February 1968 |
| Solomon Islands | Solomon Islands | 3rd March 1935 | 1st June 1967 |
| The Republic of South Africa | The Republic of South Africa | 22nd March 1955 | 17th December 1967 |
| Namibia | 22nd March 1955 | 17th December 1967 |
| Spain | Spain and all territories subject to the sovereignty or authority of Spain | 13th February 1933 | 6th March 1966 |
| The Democratic Socialist Republic of Sri Lanka | Sri Lanka | 3rd March 1935 | |
| The Republic of the Sudan | The Sudan | 12th May 1975 | 12th May 1975 |
| The Republic of Surinam | Surinam | 29th September 1933 | 1st August 1963 |
| The Kingdom of Swaziland | Swaziland | 1st December 1952 | 18th October 1971 |
| The Kingdom of Sweden | Sweden | 1st October 1937 | 1st August 1963 |
| The Swiss Confederation | Switzerland | 7th August 1934 | 1st August 1963 |
| The Syrian Arab Republic | Syria | 2nd March 1959 | 1st August 1963 |
| The United Republic of Tanzania | Tanzania | 3rd March 1935 | |
| The Republic of Togo | Togo | 30th September 1980 | 30th September 1980 |
| The Kingdom of Tonga | Tonga | 2nd October 1936 | 22nd May 1977 |
| The Republic of Trinidad and Tobago | Trinidad and Tobago | 3rd March 1935 | 8th August 1983 |
| The Tunisian Republic | Tunisia | 13th February 1933 | 13th February 1964 |
| The Republic of Turkey | Turkey | 23rd June 1978 | 23rd June 1978 |
| Tuvalu | Tuvalu | 3rd March 1935 | 1st June 1967 |
| The Republic of Uganda | Uganda | 3rd March 1935 | |
| The Union of Soviet Socialist Republics | All territories comprised within the Soviet Socialist Republics | 18th November 1934 25th December 1959 (for Byelorussia) 12th November 1959 (for the Ukraine) | 1st August 1963 |
| United Arab Emirates | United Arab Emirates | 3rd July 1986 | |
| The United States of America | The United States of America and all territories subject to the sovereignty or authority of the United States of America | 29th October 1934 | |
| The Oriental Republic of Uruguay | Uruguay | 2nd October 1979 | |
| The Republic of Vanuatu | Vanuatu | 24th January 1982 | 24th January 1982 |
| The Republic of Venezuela | Venezuela | 13th September 1955 | 1st August 1963 |
| The Socialist Republic of Vietnam | Vietnam | 13th February 1933 | 9th January 1983 |
| The Independent State of Western Samoa | Western Samoa | 5th July 1937 | 14th January 1973 |
| The Yemen Arab Republic | Yemen | 4th August 1982 | 4th August 1982 |
| The Socialist Federal Republic of Yugoslavia | Yugoslavia | 13th February 1933 | 1st August 1963 |
| The Republic of Zaire | Zaire | 11th October 1936 | |
| Zambia | Zambia | 3rd March 1935 | 23rd June 1970 |
| Zimbabwe | Zimbabwe | 3rd April 1935 | 25th January 1981 |