| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Accession | 05/09/1947 | |
| ALBANIA | Accession | 02/07/1957 | |
| ALBANIA | Reservation | 02/07/1957 | |
| ALGERIA | Accession | 31/10/1963 | |
| ALGERIA | Reservation | 31/10/1963 | |
| ANGOLA | Accession | 09/08/1990 | 09/08/1990 |
| ANTIGUA AND BARBUDA | Succession | 25/10/1988 | 01/11/1981 |
| ARGENTINA | Accession | 12/10/1956 | |
| ARMENIA | Accession | 29/04/2004 | 29/04/2004 |
| ARMENIA | Reservation | 29/04/2004 | |
| AUSTRALIA | Accession | 02/03/1949 | |
| AUSTRIA | Accession | 10/05/1957 | |
| AZERBAIJAN | Accession | 13/08/1992 | 13/08/1992 |
| BAHAMAS | Succession | 17/03/1977 | |
| BAHRAIN | Accession | 17/09/1992 | 17/09/1992 |
| BAHRAIN | Declaration | 17/09/1992 | 17/09/1992 |
| BANGLADESH | Succession | 13/01/1978 | |
| BARBADOS | Succession | 10/01/1972 | |
| BELGIUM | Accession | 25/09/1948 | |
| BELIZE | Accession | 14/09/2005 | 14/09/2005 |
| BOLIVIA | Accession | 23/12/1949 | |
| BOSNIA AND HERZEGOVINA | Succession | 01/09/1993 | 06/03/1992 |
| BRAZIL | Accession | 15/12/1949 | |
| BRUNEI DARUSSALAM | Accession | 01/08/2013 | 01/08/2013 |
| BULGARIA | Accession | 30/09/1960 | |
| BULGARIA | Reservation | 30/09/1960 | |
| BULGARIA | Withdrawal Res. | 07/08/1989 | 07/08/1989 |
| BURMA | Accession | 25/01/1955 | |
| BURUNDI | Accession | 17/03/1971 | |
| BYELORUSSIA S S R | Accession | 22/10/1953 | |
| CAMBODIA | Accession | 06/11/1963 | |
| CAMEROON | Succession | 20/10/1961 | |
| CANADA | Accession | 22/01/1948 | |
| CANADA | Reservation | 22/01/1948 | |
| CENTRAL AFRICAN REPUBLIC | Succession | 04/09/1962 | |
| CENTRAL AFRICAN REPUBLIC | Declaration | 04/09/1962 | |
| CHILE | Accession | 15/10/1948 | |
| CHINA | Accession | 11/09/1979 | |
| CHINA | Reservation | 11/09/1979 | |
| COLOMBIA | Accession | 06/08/1974 | |
| CONGO | Succession | 15/10/1962 | |
| CONGO, DEMOCRATIC REPUBLIC OF | Accession | 08/12/1964 | |
| COSTA RICA | Accession | 26/10/1949 | |
| CROATIA | Succession | 12/10/1992 | 08/10/1991 |
| CUBA | Accession | 09/09/1959 | |
| CYPRUS | Succession | 05/11/1963 | |
| CYPRUS | Declaration | 05/11/1963 | |
| CZECH REPUBLIC | Succession | 22/02/1993 | 01/01/1993 |
| CZECHOSLOVAKIA | Accession | 07/09/1955 | |
| CZECHOSLOVAKIA | Reservation | 07/09/1955 | |
| CZECHOSLOVAKIA | Withdrawal Res. | 26/04/1991 | |
| DENMARK | Accession | 10/06/1948 | |
| DJIBOUTI | Succession | 06/04/1978 | 27/06/1977 |
| DOMINICA, COMMONWEALTH OF | Succession | 24/11/1987 | 03/11/1978 |
| DOMINICAN REPUBLIC | Accession | 07/03/1947 | |
| ECUADOR | Accession | 22/03/1956 | |
| EGYPT | Accession | 17/09/1948 | |
| ESTONIA | Accession | 21/10/1991 | 21/10/1991 |
| ETHIOPIA | Accession | 22/07/1947 | |
| FIJI | Succession | 21/06/1971 | |
| FINLAND | Accession | 31/07/1958 | |
| FRANCE | Accession | 18/08/1947 | |
| FRANCE | Communication | 08/06/1982 | |
| FRANCE | Communication | 07/07/1983 | |
| GABON | Accession | 13/03/1964 | |
| GAMBIA THE | Succession | 01/08/1966 | |
| GAMBIA THE | Declaration | 01/08/1966 | |
| GERMAN DEMOCRATIC REPUBLIC | Accession | 04/10/1974 | |
| GERMAN DEMOCRATIC REPUBLIC | Reservation | 04/10/1974 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 23/12/1981 | |
| GERMANY FEDERAL REPUBLIC | Accession | 05/11/1980 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 05/11/1980 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 16/08/1982 | |
| GHANA | Accession | 05/08/1958 | |
| GREECE | Accession | 29/12/1947 | |
| GREECE | Communication | 16/03/1994 | |
| GUATEMALA | Accession | 07/07/1947 | |
| GUINEA | Accession | 10/01/1968 | |
| GUYANA | Accession | 28/12/1972 | |
| HAITI | Accession | 06/08/1947 | |
| HONDURAS | Accession | 16/05/1947 | |
| Hong Kong | Notification | 10/06/1997 | |
| HUNGARY | Accession | 30/07/1956 | |
| HUNGARY | Reservation | 30/07/1956 | |
| HUNGARY | Withdrawal Res. | 08/12/1989 | 08/12/1989 |
| ICELAND | Accession | 10/03/1948 | |
| INDIA | Accession | 13/05/1948 | |
| INDONESIA | Accession | 08/03/1972 | |
| INDONESIA | Reservation | 08/03/1972 | |
| IRAN | Accession | 08/05/1947 | |
| IRAQ | Accession | 15/09/1949 | |
| IRELAND, REPUBLIC OF | Accession | 10/05/1967 | |
| ISRAEL | Accession | 21/09/1949 | |
| ITALY | Accession | 03/02/1958 | |
| IVORY COAST | Succession | 08/12/1961 | |
| IVORY COAST | Declaration | 08/12/1961 | |
| JAMAICA | Succession | 09/09/1963 | |
| JAPAN | Accession | 18/04/1963 | |
| JORDAN | Accession | 03/01/1958 | |
| KAZAKHSTAN | Accession | 26/08/1998 | 26/08/1998 |
| KENYA | Accession | 01/07/1965 | |
| KOREA REPUBLIC OF | Accession | 09/04/1992 | 09/04/1992 |
| KOREA REPUBLIC OF | Reservation | 09/04/1992 | 09/04/1992 |
| KUWAIT | Accession | 13/12/1963 | |
| KYRGYZSTAN | Accession | 28/01/2000 | 28/01/2000 |
| LAOS | Accession | 24/11/1956 | |
| LAOS | Reservation | 24/11/1956 | |
| LATVIA | Accession | 21/11/1997 | 21/11/1997 |
| LEBANON | Accession | 10/03/1949 | |
| LESOTHO | Accession | 26/11/1969 | |
| LIBERIA | Accession | 14/03/1947 | |
| LIBYA | Accession | 28/11/1958 | |
| LIECHTENSTEIN | Accession | 25/03/1993 | 25/03/1993 |
| LITHUANIA | Accession | 09/12/1993 | 09/12/1993 |
| LITHUANIA | Reservation | 09/12/1993 | 09/12/1993 |
| LUXEMBOURG | Accession | 14/02/1949 | |
| MACEDONIA THE FYR OF | Succession | 18/08/1993 | 17/09/1991 |
| MALAGASY REPUBLIC | Succession | 23/05/1962 | |
| MALAGASY REPUBLIC | Declaration | 23/05/1962 | |
| MALAWI | Accession | 17/05/1966 | |
| MALAYA | Succession | 28/10/1957 | |
| MALI | Accession | 28/03/1968 | |
| MALTA | Succession | 27/06/1968 | 21/09/1964 |
| MALTA | Notification | 27/06/1968 | |
| MAURITIUS | Succession | 18/07/1969 | 12/03/1968 |
| MAURITIUS | Declaration | 18/07/1969 | |
| MEXICO | Accession | 26/11/1962 | |
| MOLDOVA REPUBLIC OF | Accession | 12/04/1995 | 12/04/1995 |
| MONACO | Accession | 08/03/2005 | 08/03/2005 |
| MONGOLIA | Accession | 31/05/1962 | |
| MONGOLIA | Reservation | 31/05/1962 | |
| MONGOLIA | Withdrawal Res. | 19/07/1990 | |
| MONTENEGRO | Succession | 23/10/2006 | 03/06/2006 |
| MOROCCO | Accession | 18/03/1957 | |
| MOZAMBIQUE | Accession | 08/05/2001 | 08/05/2001 |
| NAMIBIA | Accession | 17/07/2006 | 17/07/2006 |
| NEPAL | Accession | 28/09/1965 | |
| NETHERLANDS THE | Accession | 19/04/1948 | |
| NEW ZEALAND | Accession | 10/12/1947 | |
| NEW ZEALAND | Reservation | 10/12/1947 | |
| NEW ZEALAND | Withdrawal Res. | 25/11/1960 | |
| NICARAGUA | Accession | 29/11/1947 | |
| NIGER | Succession | 25/08/1961 | |
| NIGERIA | Succession | 26/06/1961 | |
| NORWAY | Accession | 18/08/1947 | |
| PAKISTAN | Accession | 22/09/1948 | |
| PANAMA | Accession | 27/05/1947 | |
| PAPUA NEW GUINEA | Succession | 04/12/1975 | |
| PARAGUAY | Accession | 02/10/1953 | |
| PERU | Accession | 24/07/1963 | |
| PHILIPPINES | Accession | 28/10/1947 | |
| POLAND | Accession | 08/01/1948 | |
| PORTUGAL | Accession | 14/10/1998 | 14/10/1998 |
| PORTUGAL | Reservation | 14/10/1998 | |
| QATAR | Accession | 26/09/2007 | 26/09/2007 |
| QATAR | Reservation | 26/09/2007 | |
| ROUMANIA | Accession | 05/07/1956 | |
| ROUMANIA | Reservation | 05/07/1956 | |
| RWANDA | Accession | 15/04/1964 | |
| SAINT LUCIA | Succession | 27/08/1986 | 22/02/1979 |
| SALVADOR | Accession | 09/07/1947 | |
| SENEGAL | Succession | 27/05/1963 | |
| SEYCHELLES | Accession | 26/08/1980 | |
| SIERRA LEONE | Succession | 13/03/1962 | |
| SIERRA LEONE | Declaration | 13/03/1962 | |
| SINGAPORE | Succession | 18/03/1966 | |
| SINGAPORE | Declaration | 18/03/1966 | |
| SLOVAK REPUBLIC | Succession | 28/05/1993 | 01/01/1993 |
| SLOVENIA | Succession | 01/07/1992 | 25/06/1991 |
| SOMALIA | Accession | 09/07/1963 | |
| SOVIET UNION | Accession | 22/09/1953 | |
| SOVIET UNION | Objection | 09/11/1981 | |
| SOVIET UNION | Declaration | 29/12/1982 | |
| SPAIN | Accession | 31/07/1974 | |
| SRI LANKA | Accession | 19/06/2003 | |
| SUDAN | Accession | 21/03/1977 | |
| SWEDEN | Accession | 28/08/1947 | |
| SWITZERLAND | Accession | 25/09/2012 | 25/09/2012 |
| SYRIA | Accession | 29/09/1953 | |
| TAJIKISTAN | Accession | 19/10/2001 | 19/10/2001 |
| TANGANYIKA | Accession | 29/10/1962 | |
| THAILAND | Accession | 30/03/1956 | |
| THAILAND | Reservation | 30/03/1956 | |
| TOGO | Succession | 27/02/1962 | |
| TOGO | Declaration | 27/02/1962 | |
| TRINIDAD AND TOBAGO | Accession | 19/10/1965 | |
| TUNISIA | Accession | 07/05/1957 | |
| TURKEY | Accession | 22/08/1950 | |
| TURKEY | Withdrawal Res. | 20/06/1957 | |
| TURKMENISTAN | Accession | 23/11/2007 | |
| UGANDA | Accession | 09/07/2001 | 09/07/2001 |
| UKRAINE S S R | Accession | 20/11/1953 | |
| UNITED ARAB EMIRATES | Accession | 02/06/2003 | |
| UNITED KINGDOM | Accession | 17/09/1946 | |
| UNITED KINGDOM | Objection | 01/01/1957 | |
| UNITED KINGDOM | Statement | 20/06/1967 | |
| UNITED KINGDOM | Objection | 21/09/1972 | |
| UNITED KINGDOM | Objection | 29/11/1974 | |
| UNITED KINGDOM | Objection | 08/11/1979 | |
| UNITED KINGDOM | Communication | 08/06/1982 | |
| UNITED KINGDOM | Communication | 07/07/1983 | |
| UNITED KINGDOM | Objection | 30/01/1990 | |
| UNITED KINGDOM | Notification | 10/06/1997 | |
| UNITED STATES OF AMERICA | Accession | 29/04/1970 | |
| UNITED STATES OF AMERICA | Reservation | 29/04/1970 | |
| UNITED STATES OF AMERICA | Communication | 08/06/1982 | |
| UNITED STATES OF AMERICA | Communication | 07/07/1983 | |
| UPPER VOLTA | Accession | 27/04/1962 | |
| URUGUAY | Accession | 16/02/1984 | 16/02/1984 |
| VENEZUELA | Accession | 21/12/1998 | 21/12/1998 |
| VENEZUELA | Reservation | 21/12/1998 | |
| VIETNAM, SOCIALIST REP OF | Accession | 06/04/1980 | |
| VIETNAM, SOCIALIST REP OF | Reservation | 06/04/1980 | |
| YEMEN | Accession | 23/07/1963 | |
| YUGOSLAVIA | Accession | 30/06/1950 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Succession | 12/03/2001 | 27/04/1992 |
| ZAMBIA | Succession | 16/06/1975 | |
| ZIMBABWE | Accession | 13/05/1991 | 13/05/1991 |