| Country | Action | Action Date | Effective Date |
|---|
| Aden Colony | Extension | 16/11/1953 | |
| Aden Protectorate | Extension | 16/11/1953 | |
| AFGHANISTAN | Signature | 22/12/1952 | |
| AFGHANISTAN | Ratification | 04/10/1956 | |
| ALBANIA | Signature | 22/12/1952 | |
| ALBANIA | Ratification | 16/05/1956 | |
| Algeria | Extension | 19/08/1954 | |
| Antarctic Territory | Extension | 14/07/1959 | |
| Antigua | Extension | 16/11/1953 | |
| Antilles | Extension | 09/05/1955 | |
| ARGENTINA | Signature | 22/12/1952 | |
| ARGENTINA | Ratification | 06/07/1955 | |
| AUSTRALIA | Signature | 22/12/1952 | |
| AUSTRALIA | Ratification | 22/03/1954 | |
| AUSTRALIA | Declaration | 22/03/1954 | |
| AUSTRALIA | Declaration | 14/07/1959 | |
| AUSTRIA | Signature | 22/12/1952 | |
| AUSTRIA | Ratification | 20/04/1956 | |
| Bahamas | Extension | 16/11/1953 | |
| Bahamas | Declaration | 28/11/1954 | |
| Barbados | Extension | 16/11/1953 | |
| Barbados | Declaration | 28/11/1954 | |
| Basutoland | Extension | 16/11/1953 | |
| Bechuanaland | Extension | 16/11/1953 | |
| Belgian Congo | Extension | 10/08/1955 | |
| BELGIUM | Signature | 22/12/1952 | |
| BELGIUM | Ratification | 10/08/1955 | |
| BELGIUM | Declaration | 10/08/1955 | |
| Bermuda | Extension | 16/11/1953 | |
| Bermuda | Declaration | 28/11/1954 | |
| BOLIVIA | Signature | 22/12/1952 | |
| BOLIVIA | Ratification | 14/08/1959 | |
| BRAZIL | Signature | 22/12/1952 | |
| BRAZIL | Ratification | 26/04/1957 | |
| British East Africa | Extension | 23/12/1953 | |
| British Guiana | Extension | 16/11/1953 | |
| British Guiana | Declaration | 28/11/1954 | |
| British Honduras | Extension | 16/11/1953 | |
| British Honduras | Declaration | 28/11/1954 | |
| British Solomon Islands | Extension | 16/11/1953 | |
| British Virgin Islands | Extension | 16/11/1953 | |
| British West Africa | Extension | 29/12/1953 | |
| BULGARIA | Signature | 22/12/1952 | |
| BULGARIA | Ratification | 14/07/1956 | |
| BYELORUSSIA S S R | Signature | 22/12/1952 | |
| BYELORUSSIA S S R | Ratification | 21/02/1956 | |
| CAMBODIA | Signature | 22/12/1952 | |
| CAMBODIA | Ratification | 31/07/1956 | |
| CAMEROON | Accession | 22/12/1960 | |
| Cameroon & Togo Trust Territories | Extension | 19/08/1954 | |
| CANADA | Signature | 22/12/1952 | |
| CANADA | Ratification | 23/06/1954 | |
| Cayman Islands | Extension | 16/11/1953 | |
| CENTRAL AFRICAN REPUBLIC | Accession | 02/12/1960 | |
| CHAD | Accession | 25/11/1960 | |
| Channel Islands | Extension | 23/12/1953 | |
| CHILE | Signature | 22/12/1952 | |
| CHILE | Ratification | 14/05/1957 | |
| CHINA | Signature | 22/12/1952 | |
| CHINA | Ratification | 03/02/1955 | |
| Christmas Island | Extension | 14/07/1959 | |
| Cocos Islands | Extension | 14/07/1959 | |
| COLOMBIA | Signature | 22/12/1952 | |
| COLOMBIA | Ratification | 18/09/1959 | |
| Cook Islands | Extension | 28/04/1955 | |
| COSTA RICA | Signature | 22/12/1952 | |
| COSTA RICA | Ratification | 24/08/1959 | |
| CUBA | Signature | 22/12/1952 | |
| CUBA | Ratification | 19/05/1954 | |
| Cyprus | Extension | 16/11/1953 | |
| CZECHOSLOVAKIA | Signature | 22/12/1952 | |
| CZECHOSLOVAKIA | Ratification | 17/04/1956 | |
| DENMARK | Signature | 22/12/1952 | |
| DENMARK | Ratification | 30/10/1953 | |
| Dominica | Extension | 16/11/1953 | |
| DOMINICAN REPUBLIC | Signature | 22/12/1952 | |
| DOMINICAN REPUBLIC | Ratification | 27/07/1954 | |
| EGYPT | Signature | 22/12/1952 | |
| EGYPT | Ratification | 07/12/1954 | |
| ETHIOPIA | Signature | 22/12/1952 | |
| ETHIOPIA | Ratification | 03/11/1954 | |
| Falkland Island Dependencies | Extension | 16/11/1953 | |
| Fiji | Extension | 16/11/1953 | |
| FINLAND | Signature | 22/12/1952 | |
| FINLAND | Ratification | 08/12/1953 | |
| FRANCE | Signature | 22/12/1952 | |
| FRANCE | Ratification | 19/08/1954 | |
| FRANCE | Declaration | 19/08/1954 | |
| FRANCE | Declaration | 03/05/1955 | |
| French Equatorial Africa | Extension | 19/08/1954 | |
| French Oceania | Extension | 19/08/1954 | |
| French Settlements In India | Extension | 19/08/1954 | |
| French Somaliland | Extension | 19/08/1954 | |
| French West Africa | Extension | 19/08/1954 | |
| GABON | Accession | 28/12/1960 | |
| GERMANY FEDERAL REPUBLIC | Signature | 22/12/1952 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 26/07/1955 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 26/07/1955 | |
| GHANA | Accession | 17/05/1957 | |
| Gibraltar | Extension | 16/11/1953 | |
| Gilbert & Ellice Colony | Extension | 16/11/1953 | |
| GREECE | Signature | 22/12/1952 | |
| GREECE | Ratification | 13/12/1955 | |
| Grenada | Extension | 16/11/1953 | |
| GUATEMALA | Signature | 22/12/1952 | |
| GUATEMALA | Ratification | 01/05/1957 | |
| GUINEA | Accession | 09/03/1959 | |
| HAITI | Accession | 23/09/1957 | |
| Heard Island | Extension | 14/07/1959 | |
| Hong Kong | Extension | 16/11/1953 | |
| HUNGARY | Signature | 22/12/1952 | |
| HUNGARY | Ratification | 08/06/1956 | |
| ICELAND | Signature | 22/12/1952 | |
| ICELAND | Ratification | 15/10/1953 | |
| INDIA | Signature | 22/12/1952 | |
| INDIA | Ratification | 25/07/1954 | |
| INDONESIA | Signature | 22/12/1952 | |
| INDONESIA | Ratification | 15/07/1957 | |
| IRAN | Signature | 22/12/1952 | |
| IRAN | Ratification | 07/12/1956 | |
| IRAQ | Signature | 22/12/1952 | |
| IRAQ | Ratification | 04/02/1959 | |
| IRELAND, REPUBLIC OF | Signature | 14/07/1954 | |
| Isle of Man | Extension | 23/12/1953 | |
| ISRAEL | Signature | 22/12/1952 | |
| ISRAEL | Ratification | 10/06/1954 | |
| ITALY | Signature | 22/12/1952 | |
| ITALY | Ratification | 10/06/1954 | |
| ITALY | Declaration | 09/09/1955 | |
| IVORY COAST | Accession | 23/12/1960 | |
| Jamaica | Extension | 16/11/1953 | |
| Jamaica | Declaration | 28/11/1954 | |
| JAPAN | Signature | 22/12/1952 | |
| JAPAN | Ratification | 30/10/1953 | |
| JORDAN | Signature | 22/12/1952 | |
| JORDAN | Ratification | 23/02/1956 | |
| Kenya | Extension | 23/12/1953 | |
| KOREA | Signature | 22/12/1952 | |
| KOREA | Ratification | 28/12/1954 | |
| KUWAIT | Accession | 14/08/1959 | |
| Land Berlin | Extension | 26/07/1955 | |
| LAOS | Signature | 22/12/1952 | |
| LAOS | Ratification | 28/03/1956 | |
| LEBANON | Signature | 22/12/1952 | |
| LEBANON | Ratification | 02/06/1955 | |
| Leeward Islands | Extension | 16/11/1953 | |
| Leeward Islands | Declaration | 28/11/1954 | |
| LIBERIA | Accession | 01/06/1960 | |
| LIBYA | Accession | 16/10/1953 | |
| LUXEMBOURG | Signature | 22/12/1952 | |
| LUXEMBOURG | Ratification | 03/08/1954 | |
| Macdonald Island | Extension | 14/07/1959 | |
| Madagascar And Dependencies | Extension | 19/08/1954 | |
| Malay States | Extension | 23/12/1953 | |
| MALAYA | Accession | 03/02/1958 | |
| MALI | Accession | 21/10/1960 | |
| Malta | Extension | 16/11/1953 | |
| Mauritius | Extension | 16/11/1953 | |
| MEXICO | Signature | 22/12/1952 | |
| MEXICO | Ratification | 14/07/1954 | |
| MONACO | Signature | 22/12/1952 | |
| MONACO | Ratification | 10/06/1954 | |
| Montserrat | Extension | 16/11/1953 | |
| Morocco | Extension | 16/09/1955 | |
| MOROCCO | Accession | 12/11/1956 | |
| MOROCCO | Declaration | 17/03/1959 | |
| Nauru | Extension | 22/03/1954 | |
| NEPAL | Accession | 05/12/1957 | |
| NETHERLANDS THE | Signature | 22/12/1952 | |
| NETHERLANDS THE | Ratification | 09/05/1955 | |
| NETHERLANDS THE | Declaration | 09/05/1955 | |
| New Caledonia And Dependences | Extension | 19/08/1954 | |
| New Guinea | Extension | 22/03/1954 | |
| New Guinea | Extension | 09/05/1955 | |
| New Hebrides | Extension | 19/08/1954 | |
| NEW ZEALAND | Signature | 22/12/1952 | |
| NEW ZEALAND | Ratification | 28/04/1955 | |
| NEW ZEALAND | Declaration | 28/04/1955 | |
| NICARAGUA | Signature | 22/12/1952 | |
| NICARAGUA | Ratification | 08/11/1957 | |
| NIGER | Accession | 14/11/1960 | |
| Niue Island | Extension | 28/04/1955 | |
| Norfolk Island | Extension | 22/03/1954 | |
| Northern Rhodesia | Extension | 16/11/1953 | |
| NORWAY | Signature | 22/12/1952 | |
| NORWAY | Ratification | 11/05/1954 | |
| Nyasaland | Extension | 16/11/1953 | |
| PAKISTAN | Signature | 22/12/1952 | |
| PAKISTAN | Ratification | 03/11/1954 | |
| PANAMA | Accession | 16/07/1959 | |
| Papua | Extension | 22/03/1954 | |
| PARAGUAY | Signature | 22/12/1952 | |
| PARAGUAY | Ratification | 24/05/1957 | |
| PERU | Signature | 22/12/1952 | |
| PERU | Ratification | 04/07/1956 | |
| PHILIPPINES | Signature | 22/12/1952 | |
| PHILIPPINES | Ratification | 27/06/1955 | |
| POLAND | Signature | 22/12/1952 | |
| POLAND | Ratification | 22/06/1956 | |
| PORTUGAL | Signature | 22/12/1952 | |
| PORTUGAL | Ratification | 20/07/1956 | |
| PORTUGAL | Declaration | 20/08/1956 | |
| ROMANIA | Signature | 22/12/1952 | |
| ROMANIA | Ratification | 28/03/1956 | |
| Ruanda Urundi | Extension | 10/08/1955 | |
| SALVADOR | Accession | 06/01/1953 | |
| SAUDI ARABIA | Signature | 22/12/1952 | |
| SAUDI ARABIA | Ratification | 13/12/1956 | |
| SENEGAL | Accession | 15/11/1960 | |
| Seychelles | Extension | 16/11/1953 | |
| Somaliland | Extension | 16/11/1953 | |
| Somaliland | Extension | 09/09/1955 | |
| Somaliland | Withdrawal | 01/07/1960 | |
| SOUTH AFRICA | Signature | 22/12/1952 | |
| SOUTH AFRICA | Ratification | 29/03/1954 | |
| SOUTH AFRICA | Declaration | 29/03/1954 | |
| Southern Line Island | Extension | 16/11/1953 | |
| Southern Rhodesia | Extension | 16/11/1953 | |
| SOVIET UNION | Signature | 22/12/1952 | |
| SOVIET UNION | Ratification | 12/01/1956 | |
| SPAIN | Signature | 22/12/1952 | |
| SPAIN | Ratification | 16/09/1955 | |
| SPAIN | Declaration | 16/09/1955 | |
| SRI LANKA | Signature | 22/12/1952 | |
| SRI LANKA | Ratification | 29/12/1953 | |
| St Christopher, Nevis and Anguilla | Extension | 16/11/1953 | |
| St Helena | Extension | 16/11/1953 | |
| St Lucia | Extension | 16/11/1953 | |
| St Pierre and Miquelon | Extension | 19/08/1954 | |
| St Vincent | Extension | 16/11/1953 | |
| SUDAN | Accession | 23/10/1957 | |
| Surinam | Extension | 09/05/1955 | |
| Swaziland | Extension | 16/11/1953 | |
| SWEDEN | Signature | 22/12/1952 | |
| SWEDEN | Ratification | 31/10/1953 | |
| SWITZERLAND | Signature | 22/12/1952 | |
| SWITZERLAND | Ratification | 09/11/1953 | |
| SYRIA | Signature | 22/12/1952 | |
| SYRIA | Ratification | 01/05/1957 | |
| Tanganyika | Extension | 23/12/1953 | |
| THAILAND | Signature | 22/12/1952 | |
| THAILAND | Ratification | 27/08/1956 | |
| Tokelau Islands | Extension | 28/04/1955 | |
| Tonga | Extension | 16/11/1953 | |
| Trinidad And Tobago | Extension | 16/11/1953 | |
| Trinidad And Tobago | Declaration | 28/11/1954 | |
| TUNISIA | Accession | 14/12/1956 | |
| TURKEY | Signature | 22/12/1952 | |
| TURKEY | Ratification | 31/05/1955 | 06/10/1955 |
| Turks And Caicos Islands | Extension | 16/11/1953 | |
| Uganda | Extension | 23/12/1953 | |
| UKRAINE S S R | Signature | 22/12/1952 | |
| UKRAINE S S R | Ratification | 16/01/1956 | |
| UNITED KINGDOM | Signature | 22/12/1952 | |
| UNITED KINGDOM | Declaration | 16/11/1953 | |
| UNITED KINGDOM | Declaration | 23/12/1953 | |
| UNITED KINGDOM | Ratification | 23/12/1953 | |
| UNITED KINGDOM | Declaration | 29/12/1953 | |
| UNITED KINGDOM | Declaration | 27/10/1959 | |
| UNITED STATES OF AMERICA | Signature | 22/12/1952 | |
| UNITED STATES OF AMERICA | Ratification | 27/06/1955 | |
| UNITED STATES OF AMERICA | Statement | 27/06/1955 | |
| URUGUAY | Signature | 22/12/1952 | |
| URUGUAY | Ratification | 10/07/1956 | |
| VATICAN CITY | Signature | 22/12/1952 | |
| VATICAN CITY | Ratification | 03/08/1955 | |
| VENEZUELA | Signature | 22/12/1952 | |
| VENEZUELA | Ratification | 24/08/1956 | |
| VIETNAM | Signature | 22/12/1952 | |
| VIETNAM | Ratification | 26/01/1956 | |
| Western Samoa | Extension | 28/04/1955 | |
| Windward Islands | Extension | 16/11/1953 | |
| Windward Islands | Declaration | 28/11/1954 | |
| YUGOSLAVIA | Signature | 22/12/1952 | |
| YUGOSLAVIA | Ratification | 16/08/1954 | |
| ZAIRE | Accession | 13/12/1960 | |
| Zanzibar | Extension | 16/11/1953 | |