| Country | Action | Action Date | Effective Date |
|---|
| ALBANIA | Signature | 01/07/1949 | |
| ALBANIA | Ratification | 03/06/1957 | |
| ALGERIA | Succession | 19/10/1962 | |
| ANGOLA | Succession | 04/06/1976 | |
| Anguilla | Extension | 04/02/1963 | 01/01/1900 |
| ANTIGUA AND BARBUDA | Succession | 02/02/1983 | 02/02/1983 |
| ARGENTINA | Signature | 01/07/1949 | |
| ARGENTINA | Ratification | 24/09/1956 | |
| AUSTRALIA | Accession | 28/02/1973 | |
| AUSTRALIA | Declaration | 15/06/1973 | |
| AUSTRALIA | Declaration | 21/06/1973 | |
| AUSTRIA | Signature | 01/07/1949 | |
| AUSTRIA | Ratification | 10/11/1951 | |
| AZERBAIJAN | Accession | 19/05/1992 | 19/05/1992 |
| Bahamas | Extension | 11/04/1962 | 10/07/1962 |
| BAHAMAS | Succession | 25/05/1976 | |
| BANGLADESH | Accession | 22/06/1972 | |
| Barbados | Extension | 13/04/1964 | |
| BARBADOS | Succession | 08/05/1967 | |
| Basutoland | Extension | 03/10/1966 | |
| BELGIUM | Signature | 01/07/1949 | |
| BELGIUM | Ratification | 10/12/1953 | |
| BELIZE | Succession | 15/12/1983 | 15/12/1983 |
| Bermuda | Extension | 15/01/1963 | 01/01/1900 |
| BOLIVIA | Accession | 15/11/1973 | 15/11/1974 |
| BOSNIA AND HERZEGOVINA | Succession | 02/06/1993 | 02/06/1993 |
| BRAZIL | Signature | 01/07/1949 | |
| BRAZIL | Ratification | 18/11/1952 | |
| British Guiana | Extension | 19/06/1958 | |
| British Honduras | Extension | 29/12/1958 | |
| British Virgin Islands | Extension | 12/06/1964 | |
| BULGARIA | Accession | 08/06/1959 | |
| BYELORUSSIA S S R | Signature | 01/07/1949 | |
| BYELORUSSIA S S R | Ratification | 06/11/1956 | |
| CAMBODIA | Ratification | 23/08/1999 | 23/08/2000 |
| CAMEROON | Succession | 03/09/1962 | |
| CAPE VERDE | Succession | 03/04/1979 | |
| Cayman Islands | Extension | 29/12/1958 | 01/01/1900 |
| CENTRAL AFRICAN REPUBLIC | Accession | 09/06/1964 | |
| CHAD | Succession | 08/06/1961 | |
| CHILE | Ratification | 01/02/1999 | 01/02/2000 |
| CHINA | Declaration | 11/06/1984 | 03/08/1984 |
| CHINA | Declaration | 20/10/1999 | |
| COLOMBIA | Accession | 16/11/1976 | |
| COMOROS | Succession | 23/10/1978 | |
| CONGO | Ratification | 26/11/1999 | 26/11/2000 |
| COSTA RICA | Accession | 02/06/1960 | |
| CROATIA | Succession | 08/10/1991 | 08/10/1991 |
| CUBA | Signature | 01/07/1949 | |
| CUBA | Ratification | 29/04/1952 | |
| CYPRUS | Succession | 24/05/1966 | |
| CZECH REPUBLIC | Succession | 01/01/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Accession | 21/01/1964 | |
| DAHOMEY | Succession | 16/05/1968 | |
| DENMARK | Signature | 01/07/1949 | |
| DENMARK | Ratification | 15/08/1955 | |
| DENMARK | Declaration | 28/11/1960 | |
| DJIBOUTI | Succession | 03/08/1978 | |
| Dominica | Extension | 29/12/1958 | |
| DOMINICA, COMMONWEALTH OF | Succession | 28/02/1983 | 28/02/1983 |
| DOMINICAN REPUBLIC | Accession | 22/09/1953 | |
| ECUADOR | Accession | 28/05/1959 | |
| EGYPT | Signature | 01/07/1949 | |
| EGYPT | Ratification | 03/07/1954 | |
| EL SALVADOR | Ratification | 06/09/2006 | 06/09/2007 |
| EQUATORIAL GUINEA | Ratification | 13/08/2001 | 13/08/2002 |
| ERITREA | Accession | 22/02/2000 | 22/02/2001 |
| ESTONIA | Accession | 22/03/1994 | 22/03/1995 |
| ETHIOPIA | Accession | 04/06/1963 | |
| Falkland Islands | Extension | 18/02/1963 | 01/01/1900 |
| Faroe Islands | Extension | 28/11/1960 | |
| Fiji | Extension | 19/06/1958 | |
| FIJI | Succession | 19/04/1974 | |
| FINLAND | Signature | 01/07/1949 | |
| FINLAND | Ratification | 22/12/1951 | |
| FRANCE | Signature | 01/07/1949 | |
| FRANCE | Ratification | 26/10/1951 | |
| FRANCE | Declaration | 27/11/1974 | |
| French Overseas Territories | Extension | 27/11/1974 | |
| GABON | Succession | 29/05/1961 | |
| GAMBIA THE | Succession | 24/01/1962 | |
| GERMAN DEMOCRATIC REPUBLIC | Denunciation | 07/05/1975 | 07/05/1976 |
| GERMANY FEDERAL REPUBLIC | Signature | 01/07/1949 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 08/06/1956 | |
| GHANA | Succession | 02/07/1959 | |
| Gibraltar | Extension | 19/06/1958 | |
| Gilbert And Ellice Islands | Extension | 15/08/1967 | |
| GREECE | Accession | 30/03/1962 | |
| Grenada | Extension | 29/12/1958 | |
| GRENADA | Succession | 09/07/1979 | |
| GUATEMALA | Signature | 01/07/1949 | |
| GUATEMALA | Ratification | 13/02/1952 | |
| Guernsey | Extension | 30/07/1950 | |
| GUINEA | Succession | 26/03/1959 | |
| GUINEA BISSAU | Succession | 21/02/1977 | |
| GUYANA | Succession | 08/06/1966 | |
| HAITI | Signature | 01/07/1949 | |
| HAITI | Ratification | 12/04/1957 | |
| HONDURAS | Signature | 01/07/1949 | |
| HONDURAS | Ratification | 27/06/1956 | |
| Hong Kong | Extension | 09/06/1975 | |
| HUNGARY | Signature | 01/07/1949 | |
| HUNGARY | Ratification | 06/06/1957 | |
| ICELAND | Signature | 01/07/1949 | |
| ICELAND | Ratification | 15/07/1952 | |
| INDONESIA | Signature | 01/07/1949 | |
| INDONESIA | Ratification | 15/07/1957 | |
| IRAQ | Accession | 27/11/1962 | |
| IRELAND, REPUBLIC OF | Signature | 01/07/1949 | |
| IRELAND, REPUBLIC OF | Ratification | 04/06/1955 | |
| Isle of Man | Extension | 30/07/1950 | |
| ISRAEL | Signature | 01/07/1949 | |
| ISRAEL | Ratification | 28/01/1957 | |
| ITALY | Signature | 01/07/1949 | |
| ITALY | Ratification | 13/05/1958 | |
| IVORY COAST | Succession | 05/05/1961 | |
| Jamaica | Extension | 29/12/1958 | |
| JAMAICA | Succession | 26/12/1962 | |
| JAPAN | Signature | 01/07/1949 | |
| JAPAN | Ratification | 20/10/1953 | |
| Jersey | Extension | 30/07/1950 | |
| JORDAN | Accession | 12/12/1968 | |
| KAZAKHSTAN | Ratification | 18/05/2001 | 18/05/2002 |
| Kenya | Extension | 29/03/1961 | |
| KENYA | Succession | 13/01/1964 | |
| KIRIBATI | Ratification | 03/02/2000 | 03/02/2000 |
| KUWAIT | Ratification | 09/08/2007 | 09/08/2008 |
| KYRGYZSTAN | Succession | 31/03/1992 | 31/03/1992 |
| LATVIA | Accession | 27/01/1992 | 27/01/1993 |
| LEBANON | Accession | 01/06/1977 | |
| LESOTHO | Succession | 31/10/1966 | |
| LIBERIA | Accession | 25/05/1962 | |
| LIBYA | Succession | 20/06/1962 | |
| LITHUANIA | Accession | 26/09/1994 | 26/09/1995 |
| LUXEMBOURG | Signature | 01/07/1949 | |
| LUXEMBOURG | Ratification | 03/03/1958 | |
| MADAGASCAR | Ratification | 03/06/1998 | 03/06/1999 |
| MALAWI | Succession | 22/03/1965 | |
| MALAYA | Succession | 05/06/1961 | |
| MALAYSIA | Succession | 03/03/1964 | |
| MALI | Succession | 02/03/1964 | |
| Malta | Extension | 08/03/1961 | |
| MALTA | Succession | 04/01/1965 | |
| MAURITANIA | Ratification | 03/12/2001 | 03/12/2002 |
| Mauritius | Extension | 29/12/1958 | |
| MAURITIUS | Succession | 02/12/1969 | |
| MONGOLIA | Accession | 03/06/1969 | 03/06/1970 |
| Montserrat | Extension | 26/11/1962 | |
| MOROCCO | Signature | 01/07/1949 | |
| MOROCCO | Ratification | 20/05/1957 | |
| NETHERLANDS THE | Accession | 22/12/1993 | 22/12/1994 |
| Netherlands West Indies | Extension | 19/06/1958 | |
| NEW ZEALAND | Ratification | 09/06/2003 | 09/06/2004 |
| NICARAGUA | Accession | 31/10/1967 | |
| NIGER | Succession | 23/03/1962 | |
| Nigeria | Extension | 19/06/1958 | |
| NIGERIA | Succession | 17/10/1960 | |
| Norfolk Island | Extension | 15/06/1973 | |
| North Borneo | Extension | 29/12/1958 | |
| Northern Rhodesia | Extension | 19/06/1958 | |
| NORWAY | Signature | 01/07/1949 | |
| NORWAY | Ratification | 17/02/1955 | |
| PAKISTAN | Signature | 01/07/1949 | |
| PAKISTAN | Ratification | 26/05/1952 | |
| PANAMA | Accession | 16/05/1966 | |
| Papua New Guinea | Extension | 21/06/1973 | |
| PAPUA NEW GUINEA | Succession | 01/05/1976 | |
| PARAGUAY | Accession | 21/03/1966 | |
| PERU | Accession | 13/03/1964 | |
| PHILIPPINES | Signature | 01/07/1949 | |
| PHILIPPINES | Ratification | 29/12/1953 | |
| POLAND | Signature | 01/07/1949 | |
| POLAND | Ratification | 25/02/1957 | |
| PORTUGAL | Accession | 01/07/1964 | |
| PORTUGAL | Declaration | 04/10/1999 | |
| Rhodesia And Nyasaland | Extension | 19/06/1958 | |
| ROUMANIA | Signature | 01/07/1949 | |
| ROUMANIA | Ratification | 26/11/1958 | |
| RWANDA | Accession | 08/11/1988 | 08/11/1989 |
| SAINT LUCIA | Succession | 14/05/1980 | |
| SAO TOME AND PRINCIPE | Succession | 17/06/1992 | 17/06/1993 |
| Sarawak | Extension | 29/12/1958 | |
| SENEGAL | Succession | 28/07/1961 | |
| SEYCHELLES | Ratification | 04/10/1999 | 04/10/2000 |
| Sierra Leone | Extension | 19/06/1958 | |
| SIERRA LEONE | Succession | 13/06/1961 | |
| SINGAPORE | Succession | 25/10/1965 | |
| SLOVAK REPUBLIC | Succession | 01/01/1993 | 01/01/1993 |
| SLOVENIA | Succession | 29/05/1992 | 09/06/1992 |
| SOUTH AFRICA | Accession | 19/02/1996 | 19/02/1997 |
| SOVIET UNION | Signature | 01/07/1949 | |
| SOVIET UNION | Ratification | 10/08/1956 | |
| SPAIN | Accession | 20/04/1977 | 01/06/1978 |
| SRI LANKA | Accession | 13/12/1972 | |
| St Helena | Extension | 17/06/1966 | |
| St Lucia | Extension | 29/12/1958 | |
| St Vincent | Extension | 29/12/1958 | |
| ST VINCENT AND THE GRENADINES | Ratification | 21/10/1998 | 31/05/1995 |
| SUDAN | Signature | 01/04/1949 | |
| SUDAN | Ratification | 18/06/1957 | |
| SWAZILAND | Succession | 26/04/1978 | |
| SWEDEN | Signature | 01/07/1949 | |
| SWEDEN | Ratification | 18/07/1950 | |
| SWITZERLAND | Ratification | 17/08/1999 | 17/08/2000 |
| SYRIA | Signature | 01/07/1949 | |
| SYRIA | Ratification | 07/06/1957 | |
| TAJIKISTAN | Succession | 26/11/1993 | 26/11/1993 |
| TANGANYIKA | Accession | 30/01/1962 | |
| TANGANYIKA AND ZANZIBAR | Succession | 22/06/1964 | |
| TOGO | Accession | 08/11/1983 | 08/11/1984 |
| Trinidad | Extension | 19/06/1958 | |
| TRINIDAD AND TOBAGO | Succession | 24/05/1963 | |
| TUNISIA | Succession | 15/05/1957 | |
| TURKEY | Signature | 01/07/1949 | |
| TURKEY | Ratification | 23/01/1952 | |
| Turks And Caicos Islands | Extension | 29/12/1958 | |
| Uganda | Extension | 17/03/1959 | |
| UGANDA | Succession | 04/06/1963 | |
| UKRAINE | Signature | 01/07/1949 | |
| UKRAINE | Ratification | 14/09/1956 | |
| UNITED KINGDOM | Signature | 01/07/1949 | |
| UNITED KINGDOM | Signature | 01/08/1949 | |
| UNITED KINGDOM | Ratification | 30/06/1950 | |
| UNITED KINGDOM | Declaration | 19/06/1958 | |
| UNITED KINGDOM | Declaration | 26/08/1958 | |
| UNITED KINGDOM | Declaration | 29/12/1958 | |
| UNITED KINGDOM | Declaration | 17/03/1959 | |
| UNITED KINGDOM | Declaration | 08/03/1960 | |
| UNITED KINGDOM | Declaration | 08/03/1961 | |
| UNITED KINGDOM | Declaration | 29/03/1961 | |
| UNITED KINGDOM | Declaration | 11/04/1962 | 10/07/1962 |
| UNITED KINGDOM | Declaration | 05/10/1962 | |
| UNITED KINGDOM | Declaration | 26/11/1962 | |
| UNITED KINGDOM | Declaration | 15/01/1963 | |
| UNITED KINGDOM | Declaration | 04/02/1963 | |
| UNITED KINGDOM | Declaration | 18/02/1963 | |
| UNITED KINGDOM | Declaration | 13/04/1964 | |
| UNITED KINGDOM | Declaration | 12/06/1964 | |
| UNITED KINGDOM | Declaration | 24/09/1965 | 24/09/1965 |
| UNITED KINGDOM | Declaration | 17/06/1966 | |
| UNITED KINGDOM | Declaration | 03/10/1966 | |
| UNITED KINGDOM | Declaration | 15/08/1967 | |
| UNITED KINGDOM | Declaration | 09/06/1975 | |
| UPPER VOLTA | Succession | 16/04/1962 | |
| URUGUAY | Signature | 01/07/1949 | |
| URUGUAY | Ratification | 18/03/1954 | |
| VENEZUELA | Accession | 19/12/1968 | |
| VIETNAM | Accession | 06/01/1964 | |
| YEMEN ARAB REPUBLIC | Accession | 29/07/1976 | |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Accession | 14/04/1969 | |
| YUGOSLAVIA | Signature | 01/07/1949 | |
| YUGOSLAVIA | Ratification | 23/07/1958 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Ratification | 24/11/2000 | 24/11/2000 |
| ZAIRE | Accession | 16/06/1969 | 16/06/1970 |
| Zanzibar | Extension | 08/03/1960 | |
| ZIMBABWE | Ratification | 27/08/1998 | 27/08/1999 |