| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Accession | 31/03/1949 | |
| ALBANIA | Signature | 02/10/1947 | |
| ALBANIA | Ratification | 30/06/1949 | |
| ARGENTINA | Signature | 02/12/1947 | |
| ARGENTINA | Ratification | 17/08/1949 | |
| AUSTRALIA | Signature | 02/10/1947 | |
| AUSTRALIA | Ratification | 07/01/1949 | |
| AUSTRALIA | Extension | 07/01/1949 | |
| AUSTRIA | Signature | 02/10/1947 | |
| AUSTRIA | Ratification | 22/05/1950 | |
| Belgian Congo | Extension | 09/09/1949 | |
| BELGIUM | Signature | 02/10/1947 | |
| BELGIUM | Ratification | 09/09/1949 | |
| BELGIUM | Extension | 09/09/1949 | |
| BOLIVIA | Accession | 09/06/1950 | |
| BRAZIL | Signature | 02/10/1947 | |
| BRAZIL | Ratification | 24/08/1949 | |
| British East Africa | Extension | 18/04/1952 | |
| British West Africa | Extension | 20/07/1952 | |
| BULGARIA | Signature | 02/10/1947 | |
| BULGARIA | Ratification | 19/05/1949 | |
| BURMA | Signature | 02/10/1947 | |
| BURMA | Ratification | 21/01/1949 | |
| BYELORUSSIA S S R | Signature | 02/10/1947 | |
| BYELORUSSIA S S R | Ratification | 01/03/1949 | |
| CAMBODIA | Accession | 10/04/1952 | |
| CANADA | Signature | 02/10/1947 | |
| CANADA | Ratification | 05/11/1948 | |
| CEYLON | Accession | 01/08/1949 | |
| CHILE | Signature | 02/10/1947 | |
| CHILE | Ratification | 27/09/1950 | |
| CHINA | Signature | 02/10/1947 | |
| CHINA | Ratification | 11/05/1949 | |
| COLOMBIA | Signature | 02/10/1947 | |
| COLOMBIA | Ratification | 12/09/1949 | |
| COSTA RICA | Accession | 28/02/1951 | |
| CUBA | Signature | 02/10/1947 | |
| CUBA | Ratification | 03/08/1949 | |
| Curacao | Extension | 02/10/1947 | |
| CZECHOSLOVAKIA | Signature | 02/10/1947 | |
| CZECHOSLOVAKIA | Ratification | 24/08/1948 | |
| DENMARK | Signature | 02/10/1947 | |
| DENMARK | Ratification | 08/11/1948 | |
| DOMINICAN REPUBLIC | Signature | 02/10/1947 | |
| DOMINICAN REPUBLIC | Ratification | 26/04/1950 | |
| East Indies | Extension | 02/12/1947 | |
| East Indies | Ratification | 31/12/1948 | |
| ECUADOR | Signature | 02/10/1947 | |
| ECUADOR | Ratification | 18/06/1951 | |
| EGYPT | Signature | 02/10/1947 | |
| EGYPT | Ratification | 25/01/1949 | |
| ETHIOPIA | Signature | 02/10/1947 | |
| ETHIOPIA | Ratification | 18/02/1949 | |
| FINLAND | Signature | 02/10/1947 | |
| FINLAND | Ratification | 30/12/1948 | |
| FRANCE | Signature | 02/10/1947 | |
| FRANCE | Ratification | 30/07/1949 | |
| FRANCE | Extension | 17/03/1950 | |
| FRANCE | Extension | 15/08/1951 | |
| French Colonies | Extension | 15/08/1951 | |
| GERMANY FEDERAL REPUBLIC | Accession | 17/04/1952 | |
| GREECE | Signature | 02/12/1947 | |
| GREECE | Ratification | 15/03/1950 | |
| GUATEMALA | Signature | 02/10/1947 | |
| GUATEMALA | Ratification | 18/10/1950 | |
| HAITI | Signature | 02/10/1947 | |
| HAITI | Ratification | 26/06/1951 | |
| HONDURAS | Signature | 02/10/1947 | |
| HONDURAS | Ratification | 26/09/1949 | |
| HUNGARY | Signature | 02/10/1947 | |
| HUNGARY | Ratification | 26/06/1950 | |
| ICELAND | Signature | 02/10/1947 | |
| ICELAND | Ratification | 28/10/1948 | |
| INDIA | Signature | 02/10/1947 | |
| INDIA | Ratification Dated | 25/01/1949 | |
| IRAN | Signature | 02/10/1947 | |
| IRAQ | Signature | 02/10/1947 | |
| IRAQ | Ratification | 03/01/1949 | |
| IRELAND, REPUBLIC OF | Signature | 02/10/1947 | |
| IRELAND, REPUBLIC OF | Ratification | 31/12/1948 | |
| ISRAEL | Accession | 10/06/1949 | |
| ITALY | Signature | 02/10/1947 | |
| ITALY | Ratification | 28/01/1949 | |
| ITALY | Extension | 18/12/1953 | |
| JAPAN | Accession | 24/01/1949 | |
| JORDAN | Accession | 25/09/1950 | |
| KOREA | Accession | 31/01/1952 | |
| LAOS | Accession | 03/04/1952 | |
| LEBANON | Signature | 02/10/1947 | |
| LEBANON | Ratification | 15/07/1949 | |
| LIBERIA | Accession | 24/06/1950 | |
| LIBYA | Accession | 03/02/1953 | |
| LUXEMBOURG | Signature | 02/10/1947 | |
| LUXEMBOURG | Ratification | 21/04/1949 | |
| Malaya | Extension | 06/05/1953 | |
| MEXICO | Signature | 02/10/1947 | |
| MEXICO | Ratification | 09/09/1949 | |
| MONACO | Signature | 02/10/1947 | |
| MONACO | Ratification | 17/09/1948 | |
| Morocco | Extension | 17/03/1950 | |
| Morocco | Extension | 02/05/1951 | |
| Nauru | Extension | 07/01/1949 | |
| NETHERLANDS THE | Signature | 02/10/1947 | |
| NETHERLANDS THE | Extension | 02/10/1947 | |
| NETHERLANDS THE | Ratification | 31/12/1948 | |
| New Guinea | Extension | 07/01/1949 | |
| New Hebrides | Extension | 15/08/1951 | |
| New Hebrides Condominium | Extension | 15/08/1951 | |
| NEW ZEALAND | Signature | 02/10/1947 | |
| NEW ZEALAND | Ratification | 21/09/1948 | |
| NICARAGUA | Signature | 02/10/1947 | |
| NICARAGUA | Ratification | 20/02/1950 | |
| Norfolk Island | Extension | 07/01/1949 | |
| North Borneo | Extension | 06/05/1953 | |
| NORWAY | Signature | 02/10/1947 | |
| NORWAY | Ratification | 30/12/1948 | |
| Overseas Territories | Extension | 20/07/1949 | |
| PAKISTAN | Signature | 02/10/1947 | |
| PAKISTAN | Ratification | 06/01/1949 | |
| PANAMA | Signature | 02/10/1947 | |
| PANAMA | Ratification | 08/06/1954 | |
| Papua | Extension | 07/01/1949 | |
| PARAGUAY | Accession | 25/09/1950 | |
| PERU | Signature | 02/10/1947 | |
| PERU | Ratification | 10/03/1950 | |
| PHILIPPINES | Signature | 02/10/1947 | |
| PHILIPPINES | Ratification | 13/11/1952 | |
| POLAND | Signature | 02/10/1947 | |
| POLAND | Ratification | 14/05/1949 | |
| PORTUGAL | Signature | 02/10/1947 | |
| PORTUGAL | Ratification | 07/06/1949 | |
| ROMANIA | Signature | 02/10/1947 | |
| ROMANIA | Ratification | 17/08/1949 | |
| Ruanda Urundi | Extension | 09/09/1949 | |
| SALVADOR | Signature | 02/10/1947 | |
| SALVADOR | Ratification | 10/11/1950 | |
| SAUDI ARABIA | Signature | 02/10/1947 | |
| SAUDI ARABIA | Ratification | 07/02/1949 | |
| SIAM | Signature | 02/10/1947 | |
| SIAM | Ratification | 12/07/1949 | |
| Somaliland | Accession | 18/12/1953 | |
| SOUTH AFRICA | Signature | 02/10/1947 | |
| SOUTH AFRICA | Ratification | 19/02/1949 | |
| SOUTH AFRICA | Extension | 19/02/1949 | |
| South West Africa | Extension | 19/02/1949 | |
| Southern Rhodesia | Signature | 02/10/1947 | |
| Southern Rhodesia | Ratification | 20/07/1949 | |
| SOVIET UNION | Signature | 02/10/1947 | |
| SOVIET UNION | Ratification | 07/01/1949 | |
| SPAIN | Accession | 02/05/1951 | |
| SPAIN | Extension | 02/05/1951 | |
| Suriname | Extension | 02/10/1947 | |
| Suriname | Extension | 31/12/1948 | |
| SWEDEN | Signature | 02/10/1947 | |
| SWEDEN | Ratification | 21/12/1948 | |
| SWITZERLAND | Signature | 02/10/1947 | |
| SWITZERLAND | Ratification | 21/12/1948 | |
| SYRIA | Signature | 02/10/1947 | |
| SYRIA | Ratification | 25/05/1951 | |
| Tunisia | Extension | 17/03/1950 | |
| TURKEY | Signature | 02/10/1947 | |
| TURKEY | Ratification | 08/05/1950 | |
| UKRAINE S S R | Signature | 02/10/1947 | |
| UKRAINE S S R | Ratification | 01/03/1949 | |
| UNITED KINGDOM | Signature | 02/10/1947 | |
| UNITED KINGDOM | Ratification | 20/07/1949 | |
| UNITED KINGDOM | Ratification | 29/11/1949 | |
| UNITED KINGDOM | Extension | 15/08/1951 | |
| UNITED KINGDOM | Extension | 18/04/1952 | |
| UNITED KINGDOM | Extension | 20/07/1952 | |
| UNITED KINGDOM | Extension | 06/05/1953 | |
| UNITED STATES OF AMERICA | Signature | 02/10/1947 | |
| UNITED STATES OF AMERICA | Ratification | 17/07/1948 | |
| URUGUAY | Signature | 02/10/1947 | |
| VATICAN CITY | Signature | 02/10/1947 | |
| VATICAN CITY | Ratification | 01/08/1949 | |
| VENEZUELA | Signature | 02/10/1947 | |
| VENEZUELA | Ratification | 28/07/1950 | |
| VIETNAM | Accession | 24/09/1951 | |
| YUGOSLAVIA | Signature | 02/10/1947 | |
| YUGOSLAVIA | Ratification | 25/01/1949 | |