| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALBANIA | Accession | 01/10/1969 | |
| ALGERIA | Accession | 16/05/1963 | |
| Antilles | Extension | 01/01/1986 | |
| Antilles | Extension | 08/06/1957 | |
| ARGENTINA | Accession | 25/11/1960 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Accession | 07/12/1954 | |
| AUSTRALIA | Extension | 02/06/1961 | |
| AUSTRIA | Declaration | 01/01/1905 | |
| AUSTRIA | Ratification | 02/11/1955 | |
| Bahamas | Extension | 02/09/1961 | |
| BANGLADESH | Accession | 06/12/1978 | 05/01/1979 |
| Barbados | Extension | 27/10/1960 | |
| Barbados | Reservation | 27/10/1960 | |
| Barbados | Declaration | 27/10/1960 | |
| BARBADOS | Accession | 05/03/1971 | |
| Belgian Congo | Extension | 23/04/1954 | |
| BELGIUM | Signature | 19/09/1949 | |
| BELGIUM | Ratification | 23/01/1954 | |
| British Guiana | Extension | 27/08/1958 | |
| British Guiana | Reservation | 27/08/1958 | |
| British Honduras | Extension | 27/08/1957 | |
| British Honduras | Reservation | 27/08/1957 | |
| BULGARIA | Objection | 01/01/1905 | |
| BULGARIA | Accession | 13/02/1963 | |
| BURKINA FASO | Accession | 31/08/2009 | 30/09/2009 |
| CAMBODIA | Accession | 14/03/1956 | |
| CAMBODIA | Notification | 18/11/2009 | 18/11/2009 |
| CANADA | Accession | 23/12/1965 | |
| Cayman Islands | Extension | 05/03/1959 | |
| CENTRAL AFRICAN REPUBLIC | Accession | 04/09/1962 | |
| CEYLON | Accession | 26/07/1957 | |
| CHILE | Accession | 10/08/1960 | |
| CHILE | Declaration | 10/08/1960 | |
| CHINA | Accession | 27/06/1957 | |
| CHINA | Communication | 15/12/1999 | 20/12/1999 |
| CONGO | Accession | 15/05/1962 | |
| CONGO, DEMOCRATIC REPUBLIC OF | Accession | 06/03/1961 | |
| CUBA | Accession | 01/10/1952 | |
| Cyprus | Accession | 06/07/1962 | |
| Cyprus | Reservation | 06/07/1962 | |
| CZECH REPUBLIC | Succession | 02/06/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 19/09/1949 | |
| CZECHOSLOVAKIA | Ratification | 03/11/1950 | |
| DAHOMEY | Accession | 05/12/1961 | |
| DENMARK | Signature | 19/09/1949 | |
| DENMARK | Ratification | 03/02/1956 | |
| DENMARK | Communication | 30/01/1996 | |
| DOMINICAN REPUBLIC | Signature | 19/09/1949 | |
| DOMINICAN REPUBLIC | Ratification | 15/08/1957 | |
| ECUADOR | Accession | 26/09/1962 | |
| EGYPT | Signature | 19/09/1949 | |
| EGYPT | Ratification | 28/05/1957 | |
| Fiji | Extension | 15/01/1966 | |
| FIJI | Accession | 31/10/1972 | |
| FINLAND | Accession | 24/09/1958 | |
| FRANCE | Signature | 19/09/1949 | |
| FRANCE | Ratification | 15/09/1950 | |
| FRANCE | Declaration | 29/10/1952 | |
| FRANCE | Declaration | 19/01/1953 | |
| GABON | Extension | 25/03/1959 | |
| GEORGIA | Accession | 23/07/1993 | 22/08/1993 |
| GHANA | Accession | 06/01/1959 | |
| GHANA | Reservation | 09/08/1963 | |
| GHANA | Declaration | 09/08/1963 | |
| Gibraltar | Extension | 27/08/1958 | |
| GREECE | Accession | 01/07/1952 | |
| Grenada | Extension | 13/08/1965 | |
| Grenada | Reservation | 13/08/1965 | |
| Grenada | Declaration | 13/08/1965 | |
| GUATEMALA | Signature | 10/01/1962 | |
| GUATEMALA | Reservation | 10/01/1962 | |
| Guernsey, Bailiwick of | Extension | 25/06/1958 | |
| Guernsey, Bailiwick of | Reservation | 25/06/1958 | |
| Guernsey, Bailiwick of | Declaration | 25/06/1958 | |
| HAITI | Accession | 12/02/1958 | |
| Hong Kong | Extension | 12/01/1961 | |
| Hong Kong | Reservation | 16/01/1961 | |
| Hong Kong | Declaration | 16/01/1961 | |
| HONG KONG SAR | Declaration | 01/07/1997 | |
| HONG KONG SAR | Reservation | 01/07/1997 | |
| HONG KONG SAR | Objection | 01/07/1997 | |
| HONG KONG SAR | Accession | 01/07/1997 | |
| HUNGARY | Accession | 30/07/1962 | |
| ICELAND | Accession | 22/07/1983 | 21/08/1983 |
| ICELAND | Declaration | 22/07/1983 | |
| INDIA | Signature | 19/09/1949 | |
| INDIA | Ratification | 09/03/1962 | |
| IRELAND, REPUBLIC OF | Accession | 31/05/1962 | |
| Isle of Man | Extension | 22/01/1958 | |
| ISRAEL | Signature | 19/09/1949 | |
| ISRAEL | Ratification | 06/01/1955 | |
| ITALY | Signature | 19/09/1949 | |
| ITALY | Ratification | 15/12/1952 | |
| Jamaica | Extension | 05/03/1959 | |
| JAMAICA | Accession | 09/08/1963 | |
| JAMAICA | Reservation | 09/08/1963 | |
| JAMAICA | Declaration | 09/08/1963 | |
| JAPAN | Accession | 07/08/1964 | |
| JAPAN | Communication | 12/06/1972 | |
| JAPAN | Communication | 21/08/1978 | |
| Jersey | Extension | 27/06/1958 | |
| Jersey | Reservation | 27/06/1958 | |
| Jersey | Declaration | 27/06/1958 | |
| JORDAN | Accession | 14/01/1960 | |
| KENYA | Notification | 28/10/2009 | |
| KOREA REPUBLIC OF | Accession | 14/06/1971 | 14/07/1971 |
| KYRGYZSTAN | Accession | 22/03/1994 | 21/04/1994 |
| LAOS | Accession | 06/03/1959 | |
| LEBANON | Signature | 19/09/1949 | |
| LEBANON | Ratification | 02/08/1963 | |
| LESOTHO | Accession | 27/09/1973 | |
| LUXEMBOURG | Signature | 19/09/1949 | |
| LUXEMBOURG | Ratification | 17/10/1952 | |
| Macao | Application | 24/09/1999 | 24/10/1999 |
| Macao | Communication | 01/11/1999 | |
| MADAGASCAR | Accession | 27/06/1962 | |
| MALAWI | Accession | 17/02/1965 | |
| MALAYSIA | Accession | 10/09/1958 | |
| MALI | Accession | 19/11/1962 | |
| Malta | Extension | 23/11/1959 | 24/12/1959 |
| MALTA | Accession | 03/01/1966 | |
| MALTA | Reservation | 03/01/1966 | |
| MALTA | Declaration | 03/01/1966 | |
| Mauritius | Extension | 13/05/1959 | |
| Mauritius | Declaration | 13/05/1959 | |
| Mauritius | Reservation | 13/05/1959 | |
| MONACO | Accession | 03/08/1951 | |
| MONGOLIA | Objection | 01/01/1905 | |
| MONTENEGRO | Succession | 23/10/2006 | 03/06/2006 |
| MONTENEGRO | Notification | 19/06/2012 | |
| MOROCCO | Accession | 07/11/1956 | |
| NAMIBIA | Accession | 21/03/1990 | 13/10/1993 |
| NETHERLANDS THE | Signature | 19/09/1949 | |
| NETHERLANDS THE | Ratification | 19/09/1952 | |
| NETHERLANDS THE | Declaration | 13/02/1955 | |
| NETHERLANDS THE | Declaration | 08/06/1957 | |
| NETHERLANDS THE | Declaration | 01/01/1986 | |
| Netherlands West Indies | Extension | 27/08/1958 | |
| Netherlands West Indies | Reservation | 27/08/1958 | |
| New Guinea | Extension | 13/02/1955 | |
| New Guinea | Extension | 02/06/1961 | |
| NEW ZEALAND | Accession | 12/02/1958 | |
| NEW ZEALAND | Declaration | 29/12/1961 | |
| NIGER | Accession | 25/08/1961 | |
| North Borneo | Extension | 22/05/1960 | |
| NORWAY | Signature | 19/09/1949 | |
| NORWAY | Ratification | 11/04/1957 | |
| Papua New Guinea | Extension | 02/06/1961 | |
| PAPUA NEW GUINEA | Accession | 12/02/1981 | 14/03/1981 |
| PARAGUAY | Accession | 17/11/1965 | |
| PERU | Accession | 09/07/1957 | |
| PERU | Accession | 06/10/2006 | 06/10/2007 |
| PHILIPPINES | Signature | 19/09/1949 | |
| PHILIPPINES | Ratification | 15/09/1952 | |
| POLAND | Accession | 29/10/1958 | |
| PORTUGAL | Accession | 28/12/1955 | |
| PORTUGAL | Extension | 19/01/1956 | |
| PORTUGAL | Application | 24/09/1999 | 24/10/1999 |
| PORTUGAL | Communication | 09/12/1999 | |
| PORTUGAL | Ratification | 30/09/2010 | 30/10/2011 |
| Rhodesia And Nyasaland | Extension | 24/04/1960 | |
| ROMANIA | Statement | 01/01/1905 | |
| ROMANIA | Objection | 01/01/1905 | |
| ROMANIA | Accession | 26/01/1961 | |
| ROUMANIA | Accession | 26/01/1961 | |
| ROUMANIA | Reservation | 26/01/1961 | |
| Ruanda Urundi | Extension | 23/04/1954 | |
| RWANDA | Accession | 05/08/1964 | |
| SAN MARINO | Accession | 19/03/1962 | |
| SENEGAL | Accession | 13/07/1962 | |
| Seychelles | Extension | 27/08/1958 | |
| Seychelles | Reservation | 27/08/1958 | |
| Sierra Leone | Extension | 22/05/1960 | |
| SIERRA LEONE | Accession | 13/03/1961 | |
| SINGAPORE | Accession | 29/11/1972 | |
| SLOVAK REPUBLIC | Accession | 01/01/1993 | 01/02/1993 |
| SLOVAK REPUBLIC | Communication | 14/04/1993 | |
| SOUTH AFRICA | Signature | 19/09/1949 | |
| SOUTH AFRICA | Ratification | 09/07/1952 | |
| SOVIET UNION | Statement | 01/01/1905 | |
| SOVIET UNION | Accession | 17/08/1959 | |
| SPAIN | Accession | 13/02/1958 | |
| St Lucia | Accession | 05/03/1959 | |
| St Lucia | Reservation | 05/03/1959 | |
| St Vincent | Extension | 22/05/1960 | |
| Surinam | Extension | 13/02/1955 | |
| Swaziland | Extension | 13/08/1965 | |
| SWEDEN | Signature | 19/09/1949 | |
| SWEDEN | Ratification | 25/02/1952 | |
| SWITZERLAND | Signature | 19/09/1949 | |
| SWITZERLAND | Ratification | 25/02/1952 | |
| SYRIA | Accession | 11/12/1953 | |
| THAILAND | Accession | 15/08/1962 | |
| TOGO | Accession | 27/02/1962 | |
| Trinidad | Extension | 05/03/1959 | |
| TRINIDAD AND TOBAGO | Accession | 08/07/1964 | |
| TUNISIA | Accession | 08/11/1957 | |
| TURKEY | Accession | 17/01/1956 | |
| UGANDA | Accession | 15/04/1965 | |
| UNITED ARAB EMIRATES | Accession | 10/01/2007 | 09/02/2007 |
| UNITED KINGDOM | Signature | 19/09/1949 | |
| UNITED KINGDOM | Ratification | 08/07/1957 | |
| UNITED KINGDOM | Extension | 22/01/1958 | |
| UNITED KINGDOM | Declaration | 27/06/1958 | |
| UNITED KINGDOM | Declaration | 27/08/1958 | |
| UNITED KINGDOM | Declaration | 05/03/1959 | |
| UNITED KINGDOM | Declaration | 25/03/1959 | |
| UNITED KINGDOM | Declaration | 13/05/1959 | |
| UNITED KINGDOM | Declaration | 23/11/1959 | |
| UNITED KINGDOM | Declaration | 08/02/1960 | |
| UNITED KINGDOM | Declaration | 24/04/1960 | |
| UNITED KINGDOM | Declaration | 22/05/1960 | |
| UNITED KINGDOM | Declaration | 27/10/1960 | |
| UNITED KINGDOM | Communication | 01/01/1961 | |
| UNITED KINGDOM | Declaration | 12/01/1961 | |
| UNITED KINGDOM | Declaration | 02/09/1961 | |
| UNITED KINGDOM | Objection | 01/01/1963 | |
| UNITED KINGDOM | Declaration | 13/08/1965 | |
| UNITED KINGDOM | Declaration | 30/09/1965 | |
| UNITED KINGDOM | Declaration | 15/01/1966 | |
| UNITED KINGDOM | Notification | 10/06/1997 | |
| UNITED KINGDOM | Declaration | 28/06/2021 | 28/09/2021 |
| UNITED STATES OF AMERICA | Signature | 19/09/1949 | |
| UNITED STATES OF AMERICA | Ratification | 30/08/1950 | |
| VATICAN CITY | Accession | 05/10/1953 | |
| VENEZUELA | Accession | 11/05/1962 | |
| VIETNAM | Objection | 01/01/1905 | |
| VIETNAM | Accession | 02/11/1953 | |
| Western Samoa | Extension | 29/12/1961 | |
| YUGOSLAVIA | Signature | 19/09/1949 | |
| YUGOSLAVIA | Ratification | 08/10/1956 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| Zanzibar | Extension | 09/03/1960 | |
| ZIMBABWE | Succession | 01/12/1998 | 18/04/1980 |