| Country | Action | Action Date | Effective Date |
|---|
| ALGERIA | Accession | 20/01/1964 | |
| Angola | Extension | 23/02/1957 | |
| Antilles | Extension | 11/01/1955 | |
| ARGENTINE REPUBLIC | Signature | 10/06/1948 | |
| ARGENTINE REPUBLIC | Acceptance | 31/07/1956 | |
| ARGENTINE REPUBLIC | Denunciation | 05/09/1967 | |
| AUSTRALIA | Signature | 10/06/1948 | |
| AUSTRALIA | Acceptance | 06/10/1959 | |
| AUSTRALIA | Denunciation | 20/12/1968 | |
| BELGIUM | Signature | 10/06/1948 | |
| BELGIUM | Acceptance | 05/12/1951 | |
| BELGIUM | Denunciation | 22/03/1967 | |
| BRAZIL | Signature | 10/06/1948 | |
| BRAZIL | Acceptance | 17/01/1956 | |
| BRAZIL | Denunciation | 20/04/1968 | |
| BULGARIA | Acceptance | 17/08/1956 | |
| CAMBODIA | Acceptance | 02/03/1954 | |
| CAMBODIA | Denunciation | 24/11/1971 | |
| CAMEROON | Succession | 04/01/1962 | |
| CANADA | Signature | 10/06/1948 | |
| CANADA | Acceptance | 01/02/1951 | |
| CANADA | Denunciation | 15/10/1966 | |
| Cape Verde Islands | Extension | 23/02/1957 | |
| CENTRAL AFRICAN REPUBLIC | Succession | 06/11/1961 | |
| CHAD | Acceptance | 31/05/1955 | |
| CHILE | Signature | 10/06/1948 | |
| CHILE | Acceptance | 05/06/1953 | |
| CONGO | Acceptance | 25/04/1961 | |
| CUBA | Acceptance | 26/08/1954 | |
| CZECHOSLOVAKIA | Acceptance | 25/03/1957 | |
| DAHOMEY | Acceptance | 20/04/1961 | |
| DENMARK | Signature | 10/06/1948 | |
| DENMARK | Acceptance | 15/10/1951 | |
| DENMARK | Denunciation | 26/05/1966 | |
| DOMINICAN REPUBLIC | Acceptance | 29/03/1955 | |
| EGYPT | Signature | 10/06/1948 | |
| EGYPT | Acceptance | 11/06/1954 | |
| EGYPT | Denunciation | 27/07/1966 | |
| FINLAND | Signature | 10/06/1948 | |
| FINLAND | Acceptance | 13/08/1953 | |
| FINLAND | Denunciation | 26/05/1966 | |
| FRANCE | Signature | 10/06/1948 | |
| FRANCE | Acceptance | 08/02/1950 | |
| French Overseas Territories | Extension | 31/05/1955 | |
| GABON | Acceptance | 31/05/1955 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 19/08/1954 | |
| GERMANY FEDERAL REPUBLIC | Denunciation | 26/05/1966 | |
| GHANA | Acceptance | 22/11/1957 | |
| GHANA | Denunciation | 09/08/1968 | |
| GREECE | Signature | 10/06/1948 | |
| GREECE | Acceptance | 21/01/1954 | |
| GREECE | Denunciation | 18/10/1966 | |
| GUINEA | Succession | 04/05/1960 | |
| HAITI | Acceptance | 26/05/1954 | |
| Hong Kong | Extension | 07/04/1953 | |
| Hong Kong | Denunciation | 26/05/1966 | |
| HUNGARY | Acceptance | 15/08/1956 | |
| ICELAND | Signature | 10/06/1948 | |
| ICELAND | Acceptance | 19/10/1950 | |
| ICELAND | Denunciation | 23/07/1966 | |
| INDIA | Signature | 10/06/1948 | |
| INDIA | Acceptance | 19/11/1952 | |
| INDIA | Denunciation | 06/10/1967 | |
| IRELAND, REPUBLIC OF | Signature | 10/06/1948 | |
| IRELAND, REPUBLIC OF | Acceptance | 19/08/1953 | |
| ISRAEL | Acceptance | 02/07/1952 | |
| ISRAEL | Denunciation | 13/10/1968 | |
| ITALY | Signature | 10/06/1948 | |
| ITALY | Acceptance | 19/11/1951 | |
| IVORY COAST | Acceptance | 01/04/1961 | |
| IVORY COAST | Denunciation | 17/03/1968 | |
| JAPAN | Acceptance | 23/07/1952 | |
| JAPAN | Denunciation | 26/05/1966 | |
| KOREA REPUBLIC OF | Acceptance | 10/03/1960 | |
| KOREA REPUBLIC OF | Denunciation | 01/04/1971 | |
| KUWAIT | Acceptance | 12/01/1959 | |
| KUWAIT | Denunciation | 26/05/1966 | |
| Land Berlin | Extension | 19/08/1954 | |
| LIBERIA | Acceptance | 13/01/1953 | |
| LIBERIA | Denunciation | 27/10/1966 | |
| Macao | Extension | 23/02/1957 | |
| MADAGASCAR | Acceptance | 02/06/1961 | |
| Malaya | Extension | 05/08/1953 | |
| Malaya | Denunciation | 05/08/1953 | |
| MALI | Acceptance | 31/05/1955 | |
| MAURITANIA | Succession | 05/12/1961 | |
| MEXICO | Acceptance | 04/01/1962 | |
| MONACO | Acceptance | 12/01/1955 | |
| Morocco | Extension | 22/04/1955 | |
| Mozambique | Extension | 23/02/1957 | |
| NETHERLANDS THE | Signature | 10/06/1948 | |
| NETHERLANDS THE | Acceptance | 18/04/1950 | |
| NETHERLANDS THE | Denunciation | 26/05/1966 | |
| NEW ZEALAND | Signature | 10/06/1948 | |
| NEW ZEALAND | Acceptance | 29/12/1949 | |
| NEW ZEALAND | Denunciation | 14/02/1967 | |
| NICARAGUA | Acceptance | 19/02/1954 | |
| NIGER | Succession | 24/09/1962 | |
| NIGERIA | Acceptance | 03/07/1963 | |
| NORWAY | Signature | 10/06/1948 | |
| NORWAY | Acceptance | 12/06/1950 | |
| NORWAY | Denunciation | 26/05/1966 | |
| PAKISTAN | Signature | 10/06/1948 | |
| PAKISTAN | Acceptance | 01/02/1951 | |
| PAKISTAN | Denunciation | 24/05/1967 | |
| PANAMA | Signature | 10/06/1948 | |
| PANAMA | Acceptance | 08/01/1954 | |
| PHILIPPINES | Signature | 10/06/1948 | |
| PHILIPPINES | Acceptance | 02/10/1952 | |
| PHILIPPINES | Denunciation | 24/11/1967 | |
| POLAND | Signature | 10/06/1948 | |
| POLAND | Acceptance | 11/06/1954 | |
| POLAND | Denunciation | 24/06/1967 | |
| PORTUGAL | Signature | 10/06/1948 | |
| PORTUGAL | Acceptance | 30/11/1950 | |
| PORTUGAL | Denunciation | 13/11/1968 | |
| Portuguese Guinea | Extension | 23/02/1957 | |
| Portuguese Overseas Provinces | Extension | 23/02/1957 | |
| Portuguese State Of India | Extension | 23/02/1957 | |
| Portuguese Timor | Extension | 23/02/1957 | |
| ROMANIA | Acceptance | 02/10/1954 | |
| ROMANIA | Denunciation | 23/01/1968 | |
| Sao Tome And Principe | Extension | 23/02/1957 | |
| SENEGAL | Succession | 08/06/1961 | |
| Singapore | Extension | 05/08/1953 | |
| Singapore | Denunciation | 12/09/1970 | |
| SOMALIA | Acceptance | 17/09/1961 | |
| SOUTH AFRICA | Signature | 10/06/1948 | |
| SOUTH AFRICA | Acceptance | 18/08/1950 | |
| SOUTH AFRICA | Denunciation | 13/12/1968 | |
| SOVIET UNION | Acceptance | 10/05/1954 | |
| SPAIN | Acceptance | 26/12/1952 | |
| SPAIN | Denunciation | 29/10/1966 | |
| SWEDEN | Signature | 10/06/1948 | |
| SWEDEN | Acceptance | 16/05/1950 | |
| SWEDEN | Denunciation | 03/06/1978 | |
| SWITZERLAND | Acceptance | 19/05/1954 | |
| SWITZERLAND | Denunciation | 12/04/1967 | |
| TAIWAN | Signature | 10/06/1948 | |
| TAIWAN | Acceptance | 23/02/1965 | |
| Tunisia | Extension | 22/04/1955 | |
| TUNISIA | Acceptance | 20/05/1963 | |
| TURKEY | Acceptance | 19/10/1956 | |
| UNITED KINGDOM | Signature | 10/06/1948 | |
| UNITED KINGDOM | Acceptance | 30/09/1949 | |
| UNITED KINGDOM | Denunciation | 26/05/1966 | |
| UNITED STATES OF AMERICA | Signature | 10/06/1948 | |
| UNITED STATES OF AMERICA | Acceptance | 05/01/1950 | |
| UNITED STATES OF AMERICA | Denunciation | 26/05/1966 | |
| URUGUAY | Acceptance | 15/02/1961 | |
| VENEZUELA | Acceptance | 08/02/1956 | |
| VENEZUELA | Denunciation | 05/03/1970 | |
| VIETNAM | Acceptance | 12/09/1953 | |
| VIETNAM | Denunciation | 26/05/1966 | |
| YUGOSLAVIA | Acceptance | 13/11/1951 | |
| YUGOSLAVIA | Denunciation | 26/05/1966 | |