| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Definitive Signature | 16/08/1954 | |
| ALBANIA | Accession | 02/07/1957 | |
| ALGERIA | Accession | 20/11/1963 | |
| ANTIGUA AND BARBUDA | Succession | 25/10/1988 | 01/11/1981 |
| Antilles | Extension | 15/12/1953 | 07/07/1955 |
| Antilles | Extension | 01/01/1986 | 01/01/1986 |
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| AUSTRALIA | Definitive Signature | 09/12/1953 | |
| AUSTRIA | Signature | 07/12/1953 | |
| AUSTRIA | Acceptance | 16/07/1954 | |
| AZERBAIJAN | Accession | 16/08/1996 | 16/08/1996 |
| BAHAMAS | Succession | 10/06/1976 | |
| BAHRAIN | Accession | 27/03/1990 | 27/03/1990 |
| BAHRAIN | Reservation | 27/03/1990 | |
| BANGLADESH | Accession | 07/01/1985 | |
| BARBADOS | Succession | 22/07/1976 | |
| BELARUS | Accession | 13/09/1956 | |
| BELGIUM | Signature | 24/02/1954 | |
| BELGIUM | Acceptance | 13/12/1962 | |
| Berlin West | Extension | 29/05/1973 | |
| BOLIVIA | Accession | 06/10/1983 | 06/10/1983 |
| BOSNIA AND HERZEGOVINA | Succession | 01/09/1993 | 06/03/1992 |
| BRAZIL | Accession | 06/01/1966 | |
| CAMEROON | Accession | 27/06/1984 | |
| CANADA | Definitive Signature | 17/12/1953 | |
| CHINA | Signature | 07/12/1953 | |
| CHINA | Acceptance | 14/12/1955 | |
| CROATIA | Succession | 12/10/1992 | 08/10/1991 |
| CUBA | Definitive Signature | 28/06/1954 | |
| CYPRUS | Succession | 21/04/1986 | |
| DENMARK | Definitive Signature | 03/03/1954 | |
| DOMINICA, COMMONWEALTH OF | Succession | 17/08/1994 | 03/11/1978 |
| ECUADOR | Signature | 07/09/1954 | |
| ECUADOR | Acceptance | 17/08/1955 | |
| EGYPT | Signature | 15/06/1954 | |
| EGYPT | Acceptance | 29/09/1954 | |
| ETHIOPIA | Ratification | 21/01/1969 | |
| FIJI | Succession | 12/06/1972 | |
| FINLAND | Acceptance | 19/03/1954 | |
| FRANCE | Signature | 14/01/1954 | |
| FRANCE | Acceptance | 14/02/1963 | |
| FRANCE | Statement | 17/07/1974 | |
| FRANCE | Statement | 08/07/1975 | |
| GERMAN DEMOCRATIC REPUBLIC | Acceptance | 16/07/1974 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 16/07/1974 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 29/05/1973 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 29/05/1973 | 29/05/1973 |
| GERMANY FEDERAL REPUBLIC | Declaration | 27/08/1974 | |
| GERMANY FEDERAL REPUBLIC | Communication | 19/09/1975 | |
| GREECE | Signature | 07/12/1953 | |
| GREECE | Acceptance | 12/12/1955 | |
| GUATEMALA | Accession | 11/11/1983 | 11/11/1983 |
| GUINEA | Acceptance | 12/07/1962 | |
| HUNGARY | Acceptance | 26/02/1958 | |
| INDIA | Definitive Signature | 12/03/1954 | |
| IRAQ | Acceptance | 23/05/1955 | |
| IRELAND, REPUBLIC OF | Acceptance | 31/08/1961 | |
| ISRAEL | Acceptance | 12/09/1955 | |
| ISRAEL | Objection | 25/06/1990 | |
| ITALY | Definitive Signature | 04/02/1954 | |
| JAMAICA | Succession | 30/07/1964 | |
| JORDAN | Accession | 05/05/1959 | |
| KAZAKHSTAN | Participation | 01/05/1953 | 01/05/1953 |
| KUWAIT | Accession | 28/05/1963 | |
| KYRGYZSTAN | Accession | 05/09/1997 | 05/09/1997 |
| LESOTHO | Succession | 04/11/1974 | |
| LIBERIA | Definitive Signature | 07/12/1953 | |
| LIBYA | Accession | 14/02/1957 | |
| MADAGASCAR | Accession | 12/02/1964 | |
| MALAWI | Accession | 02/08/1965 | |
| MALI | Acceptance | 02/02/1973 | |
| MALTA | Succession | 03/01/1966 | |
| MAURITANIA | Acceptance | 06/06/1986 | 06/06/1986 |
| MAURITIUS | Succession | 18/07/1969 | 12/03/1968 |
| MEXICO | Definitive Signature | 03/02/1954 | |
| MONACO | Signature | 28/01/1954 | |
| MONACO | Acceptance | 12/11/1954 | |
| MONGOLIA | Accession | 20/12/1968 | |
| MONTENEGRO | Succession | 23/10/2006 | 03/06/2006 |
| MOROCCO | Acceptance | 11/05/1959 | |
| MYANMAR | Signature | 14/03/1956 | |
| MYANMAR | Acceptance | 29/04/1957 | |
| NEPAL | Accession | 07/01/1963 | |
| NETHERLANDS THE | Signature | 15/12/1953 | |
| NETHERLANDS THE | Acceptance | 07/07/1955 | |
| NETHERLANDS THE | Declaration | 01/01/1986 | 01/01/1986 |
| New Guinea | Extension | 15/12/1953 | 07/07/1955 |
| NEW ZEALAND | Definitive Signature | 16/12/1953 | |
| NICARAGUA | Acceptance | 14/01/1986 | 14/01/1986 |
| NIGER | Acceptance | 07/12/1964 | |
| NIGERIA | Succession | 26/06/1961 | |
| NORWAY | Signature | 24/02/1954 | |
| NORWAY | Acceptance | 11/04/1957 | |
| PAKISTAN | Accession | 30/09/1955 | |
| PAPUA NEW GUINEA | Accession | 27/01/1982 | 27/04/1982 |
| PARAGUAY | Participation | 27/09/2007 | 27/09/2007 |
| PHILIPPINES | Accession | 12/07/1955 | |
| ROMANIA | Definitive Signature | 13/11/1957 | |
| RUSSIAN FEDERATION | Accession | 08/08/1956 | |
| RUSSIAN FEDERATION | Objection | 04/12/1973 | |
| SAINT LUCIA | Succession | 14/02/1990 | 22/02/1979 |
| SAUDI ARABIA | Accession | 05/07/1973 | 05/07/1973 |
| SIERRA LEONE | Succession | 13/03/1962 | |
| SOLOMON ISLANDS | Succession | 03/09/1981 | |
| SOUTH AFRICA | Definitive Signature | 29/12/1953 | |
| SPAIN | Definitive Signature | 10/11/1976 | |
| SRI LANKA | Accession | 21/03/1958 | |
| ST VINCENT AND THE GRENADINES | Acceptance | 09/11/1981 | 09/11/1981 |
| SUDAN | Succession | 09/09/1957 | |
| Surinam | Extension | 15/12/1953 | 07/07/1955 |
| SWEDEN | Definitive Signature | 17/08/1954 | |
| SWITZERLAND | Definitive Signature | 07/12/1953 | |
| SYRIA | Acceptance | 04/08/1954 | |
| TANZANIA | Accession | 28/11/1962 | |
| TRINIDAD AND TOBAGO | Succession | 11/04/1966 | |
| TUNISIA | Accession | 15/07/1966 | |
| TURKEY | Definitive Signature | 14/01/1955 | |
| TURKMENISTAN | Participation | 01/05/1997 | 01/05/1997 |
| UGANDA | Acceptance | 12/08/1964 | |
| UKRAINE | Accession | 27/01/1959 | |
| UNITED KINGDOM | Signature | 07/12/1953 | |
| UNITED KINGDOM | Definitive Signature | 07/12/1953 | |
| UNITED KINGDOM | Statement | 17/07/1974 | |
| UNITED KINGDOM | Statement | 08/07/1975 | |
| UNITED STATES OF AMERICA | Signature | 16/12/1953 | |
| UNITED STATES OF AMERICA | Acceptance | 07/03/1956 | |
| UNITED STATES OF AMERICA | Statement | 17/07/1974 | |
| UNITED STATES OF AMERICA | Statement | 08/07/1975 | |
| URUGUAY | Accession | 07/06/2001 | 07/06/2001 |
| VIETNAM, REPUBLIC OF | Accession | 14/08/1956 | |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Accession | 09/02/1987 | 09/02/1987 |
| YUGOSLAVIA | Signature | 11/02/1954 | |
| YUGOSLAVIA | Acceptance | 21/03/1955 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| ZAMBIA | Succession | 26/03/1973 | |