| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Signature | 19/11/1948 | |
| AFGHANISTAN | Acceptance | 19/11/1948 | |
| ALBANIA | Signature | 19/11/1948 | |
| ALBANIA | Acceptance | 25/07/1949 | |
| Algeria | Extension | 15/10/1949 | |
| Antigua | Extension | 19/11/1948 | |
| Antilles | Extension | 01/01/1986 | |
| Antilles And Suriname | Extension | 01/01/1905 | |
| ARGENTINA | Signature | 19/11/1948 | |
| Aruba | Extension | 01/01/1986 | |
| AUSTRALIA | Signature | 19/11/1948 | |
| AUSTRALIA | Acceptance | 19/11/1948 | |
| AUSTRIA | Acceptance | 17/05/1950 | |
| Bahamas | Extension | 19/11/1948 | |
| BAHAMAS | Succession | 13/08/1975 | |
| Basutoland | Extension | 19/11/1948 | |
| Bechuanaland | Extension | 19/11/1948 | |
| Belgian Congo | Extension | 27/01/1953 | |
| BELGIUM | Acceptance | 21/11/1951 | |
| BELGIUM | Extension | 27/01/1953 | |
| Bermuda | Extension | 19/11/1948 | |
| BOLIVIA | Signature | 19/11/1948 | |
| BRAZIL | Signature | 19/11/1948 | |
| BRAZIL | Acceptance | 09/12/1959 | |
| British Guiana | Extension | 19/11/1948 | |
| British Honduras | Extension | 19/11/1948 | |
| British Virgin Islands | Extension | 19/11/1948 | |
| Brunei | Extension | 19/11/1948 | |
| BURMA | Signature | 19/11/1948 | |
| BURMA | Acceptance | 02/03/1950 | |
| BYELORUSSIA S S R | Signature | 19/11/1948 | |
| BYELORUSSIA S S R | Acceptance | 19/11/1948 | |
| CAMEROON | Succession | 20/11/1961 | |
| Cameroon & Togo Trust Territories | Extension | 15/09/1949 | |
| CANADA | Signature | 19/11/1948 | |
| CANADA | Acceptance | 19/11/1948 | |
| CENTRAL AFRICAN REPUBLIC | Succession | 04/09/1962 | |
| CHILE | Signature | 19/11/1948 | |
| CHINA | Signature | 19/11/1948 | |
| CHINA | Acceptance | 19/11/1949 | |
| COLOMBIA | Signature | 19/11/1948 | |
| Comoro Islands | Acceptance | 15/09/1949 | |
| CONGO, DEMOCRATIC REPUBLIC OF | Succession | 13/08/1962 | |
| CONGO, PEOPLES REPUBLIC OF | Succession | 15/10/1962 | |
| COSTA RICA | Signature | 19/11/1948 | |
| CUBA | Acceptance | 30/06/1961 | |
| Cyprus | Extension | 19/11/1948 | |
| CZECH REPUBLIC | Succession | 30/12/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Signature | 19/11/1948 | |
| CZECHOSLOVAKIA | Acceptance | 17/01/1950 | |
| DAHOMEY | Succession | 05/12/1961 | |
| DENMARK | Signature | 19/05/1948 | |
| DENMARK | Acceptance | 19/10/1949 | |
| Dominica | Extension | 19/11/1948 | |
| DOMINICAN REPUBLIC | Signature | 19/11/1948 | |
| DOMINICAN REPUBLIC | Ratification | 09/06/1958 | |
| ECUADOR | Signature | 19/11/1948 | |
| ECUADOR | Acceptance | 30/08/1962 | |
| EGYPT | Signature | 06/12/1948 | |
| EGYPT | Acceptance | 16/09/1949 | |
| ETHIOPIA | Signature | 05/05/1949 | |
| ETHIOPIA | Acceptance | 05/05/1949 | |
| Falkland Island Dependencies | Extension | 19/11/1948 | |
| Falkland Islands | Extension | 19/11/1948 | |
| Fiji | Extension | 19/11/1948 | |
| FIJI | Succession | 01/11/1971 | 01/11/1971 |
| FINLAND | Acceptance | 31/10/1949 | |
| FRANCE | Acceptance | 11/01/1949 | |
| FRANCE | Extension | 15/04/1949 | |
| French Equatorial Africa | Extension | 15/09/1949 | |
| French Guiana | Extension | 15/09/1949 | |
| French India | Extension | 15/09/1949 | |
| French Oceania | Extension | 15/09/1949 | |
| French Somaliland | Extension | 15/09/1949 | |
| French West Africa | Extension | 15/09/1949 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 12/08/1959 | |
| GERMANY FEDERAL REPUBLIC | Extension | 12/09/1959 | 12/09/1959 |
| GHANA | Succession | 07/04/1958 | |
| Gilbert And Ellice Islands | Extension | 19/11/1948 | |
| Gold Coast | Extension | 19/11/1948 | |
| GREECE | Signature | 07/12/1948 | |
| GREECE | Acceptance | 29/07/1952 | |
| Grenada | Extension | 19/11/1948 | |
| Guadeloupe | Extension | 15/09/1949 | |
| GUATEMALA | Signature | 19/11/1948 | |
| HONDURAS | Signature | 19/11/1948 | |
| Hong Kong | Extension | 19/11/1948 | |
| HUNGARY | Acceptance | 02/07/1957 | |
| INDIA | Signature | 19/11/1948 | |
| INDIA | Acceptance | 10/11/1950 | |
| IRAQ | Signature | 12/07/1949 | |
| IRAQ | Acceptance | 27/07/1954 | |
| IRELAND, REPUBLIC OF | Acceptance | 11/08/1952 | |
| ISRAEL | Acceptance | 16/05/1952 | |
| ITALY | Signature | 14/03/1949 | |
| ITALY | Acceptance | 14/03/1949 | |
| ITALY | Extension | 12/03/1954 | 11/04/1954 |
| IVORY COAST | Succession | 08/12/1961 | |
| Jamaica | Extension | 19/11/1948 | |
| JAMAICA | Succession | 26/12/1963 | |
| JAPAN | Acceptance | 05/05/1952 | |
| JORDAN | Acceptance | 07/05/1958 | |
| Kenya | Extension | 19/11/1948 | |
| LAOS | Acceptance | 07/10/1950 | 07/10/1950 |
| LEBANON | Signature | 19/11/1948 | |
| LEBANON | Acceptance | 19/11/1948 | |
| Leeward Islands | Extension | 19/11/1948 | |
| LESOTHO | Acceptance | 04/11/1974 | |
| LIBERIA | Signature | 19/11/1948 | |
| LIECHTENSTEIN | Signature | 19/11/1948 | |
| LIECHTENSTEIN | Acceptance | 24/05/1961 | |
| LUXEMBOURG | Signature | 19/11/1948 | |
| LUXEMBOURG | Acceptance | 17/05/1952 | |
| Madagascar And Dependencies | Acceptance | 15/09/1949 | |
| MALAWI | Succession | 22/07/1965 | |
| Malay States | Extension | 19/11/1948 | |
| MALAYA | Succession | 31/08/1957 | |
| Malta | Extension | 19/11/1948 | |
| Martinique | Extension | 15/09/1949 | |
| MAURITIUS | Succession | 12/03/1968 | 18/07/1969 |
| MEXICO | Signature | 19/11/1948 | |
| MEXICO | Acceptance | 19/11/1948 | |
| MONACO | Signature | 19/11/1948 | |
| MONACO | Acceptance | 19/11/1948 | |
| Montserrat | Extension | 19/11/1948 | |
| Morocco | Extension | 15/09/1949 | |
| MOROCCO | Acceptance | 07/11/1956 | |
| MOROCCO | Declaration | 07/11/1956 | |
| NETHERLANDS THE | Extension | 01/01/1905 | |
| NETHERLANDS THE | Signature | 19/11/1948 | |
| NETHERLANDS THE | Ratification | 26/09/1950 | |
| NETHERLANDS THE | Extension | 01/01/1986 | |
| Netherlands West Indies | Extension | 19/11/1948 | |
| New Caledonia And Dependences | Extension | 15/09/1949 | |
| New Guinea | Extension | 01/01/1905 | |
| New Hebrides Condominium | Extension | 15/09/1949 | |
| NEW ZEALAND | Signature | 19/11/1948 | |
| NEW ZEALAND | Acceptance | 19/11/1948 | |
| Newfoundland (UK) | Extension | 19/11/1948 | |
| NICARAGUA | Signature | 19/11/1948 | |
| NICARAGUA | Acceptance | 13/01/1961 | |
| NIGER | Acceptance | 25/08/1961 | |
| Nigeria | Extension | 19/11/1948 | |
| NIGERIA | Succession | 26/06/1961 | |
| North Borneo | Extension | 19/11/1948 | |
| Northern Rhodesia | Extension | 19/11/1948 | |
| NORWAY | Signature | 19/11/1948 | |
| NORWAY | Acceptance | 24/05/1949 | |
| NORWAY | Extension | 24/05/1949 | |
| Nyasaland | Extension | 19/11/1948 | |
| PAKISTAN | Signature | 19/11/1948 | |
| PAKISTAN | Acceptance | 27/08/1952 | |
| PANAMA | Signature | 19/11/1948 | |
| PAPUA NEW GUINEA | Succession | 28/10/1980 | |
| PARAGUAY | Signature | 19/11/1948 | |
| PARAGUAY | Acceptance | 15/08/2001 | 14/09/2001 |
| PERU | Signature | 19/11/1948 | |
| PHILIPPINES | Signature | 10/03/1949 | |
| PHILIPPINES | Acceptance | 07/12/1953 | |
| POLAND | Signature | 26/01/1949 | |
| POLAND | Acceptance | 26/01/1949 | |
| Reunion | Extension | 15/09/1949 | |
| ROMANIA | Signature | 19/11/1948 | |
| ROMANIA | Acceptance | 11/10/1961 | |
| ROUMANIA | Acceptance | 11/10/1961 | |
| Ruanda Urundi | Extension | 27/01/1953 | |
| RWANDA | Succession | 30/04/1964 | |
| SALVADOR | Signature | 19/11/1948 | |
| SALVADOR | Acceptance | 31/12/1959 | |
| SAN MARINO | Signature | 19/11/1948 | |
| Sarawak | Extension | 19/11/1948 | |
| SAUDI ARABIA | Signature | 19/11/1948 | |
| SAUDI ARABIA | Acceptance | 19/11/1948 | |
| SENEGAL | Succession | 02/05/1963 | |
| Seychelles | Extension | 19/11/1948 | |
| Sierra Leone | Extension | 19/11/1948 | |
| Singapore | Extension | 19/11/1948 | |
| Solomon Islands Protectorate | Extension | 19/11/1948 | |
| Somaliland | Extension | 12/03/1954 | |
| Somaliland Protectorate | Extension | 19/11/1948 | |
| SOUTH AFRICA | Signature | 08/12/1948 | |
| SOUTH AFRICA | Acceptance | 18/12/1948 | |
| SOUTH AFRICA | Extension | 05/10/1954 | |
| South West Africa | Extension | 05/10/1954 | |
| Southern Rhodesia | Extension | 19/11/1948 | |
| SOVIET UNION | Signature | 19/11/1948 | |
| SOVIET UNION | Acceptance | 19/11/1948 | |
| SPAIN | Signature | 26/09/1955 | |
| St Helena | Extension | 19/11/1948 | |
| St Lucia | Extension | 19/11/1948 | |
| St Pierre and Miquelon | Extension | 15/09/1949 | |
| St Vincent | Extension | 19/11/1948 | |
| St. Christopher And Nevis | Extension | 19/11/1948 | |
| Swaziland | Extension | 19/11/1948 | |
| SWEDEN | Signature | 03/11/1949 | |
| SWEDEN | Acceptance | 03/11/1949 | |
| SWITZERLAND | Signature | 19/11/1948 | |
| SWITZERLAND | Acceptance | 18/03/1953 | |
| Tanganyika | Extension | 19/11/1948 | |
| TANGANYIKA AND ZANZIBAR | Succession | 07/10/1964 | |
| The Gambia | Extension | 19/11/1948 | |
| TOGO | Succession | 27/02/1962 | |
| TOGO | Acceptance | 05/09/1973 | 04/06/1970 |
| Tonga | Extension | 19/11/1948 | |
| TONGA | Acceptance | 05/09/1973 | 04/06/1970 |
| Trinidad | Extension | 19/11/1948 | |
| TRINIDAD AND TOBAGO | Succession | 31/08/1962 | 31/08/1962 |
| Tunisia | Extension | 15/09/1949 | |
| TURKEY | Signature | 19/11/1948 | |
| TURKEY | Acceptance | 14/07/1950 | |
| Uganda | Extension | 19/11/1948 | |
| UGANDA | Succession | 15/04/1965 | |
| UKRAINE S S R | Signature | 19/11/1948 | |
| UKRAINE S S R | Acceptance | 07/05/1959 | |
| UNITED KINGDOM | Signature | 19/11/1948 | |
| UNITED KINGDOM | Ratification | 19/11/1948 | |
| UNITED KINGDOM | Acceptance | 19/11/1948 | |
| UNITED KINGDOM | Extension | 19/11/1948 | |
| UNITED KINGDOM | Extension | 17/01/1949 | |
| UNITED KINGDOM | Extension | 27/02/1950 | |
| UNITED STATES OF AMERICA | Signature | 19/11/1948 | |
| UNITED STATES OF AMERICA | Acceptance | 11/08/1950 | |
| UPPER VOLTA | Succession | 26/04/1963 | |
| URUGUAY | Signature | 22/12/1948 | |
| VENEZUELA | Signature | 19/11/1948 | |
| VIETNAM | Acceptance | 11/08/1950 | 11/08/1950 |
| Windward Islands | Extension | 19/11/1948 | |
| YEMEN | Signature | 12/12/1949 | |
| YEMEN | Acceptance | 12/12/1949 | |
| YUGOSLAVIA | Signature | 19/11/1948 | |
| YUGOSLAVIA | Acceptance | 10/06/1949 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| ZAMBIA | Succession | 09/04/1973 | 24/10/1964 |
| Zanzibar | Extension | 19/11/1948 | |
| ZIMBABWE | Succession | 01/12/1998 | 18/04/1980 |