| Afghanistan |
|
Accession : March 2, 2018 |
June 2, 2018 |
Details
|
| Albania |
|
Accession : December 2, 1993 |
March 6, 1994 |
Details
|
| Algeria |
|
Accession : January 19, 1998 |
April 19, 1998 |
Details
|
| Andorra |
|
Accession : March 2, 2004 |
June 2, 2004 |
Details
|
| Antigua and Barbuda |
|
Accession : December 17, 1999 |
March 17, 2000 |
Details
|
| Argentina |
|
Accession : May 5, 1967 |
June 10, 1967 |
Details
|
| Armenia |
|
Accession : July 19, 2000 |
October 19, 2000 |
Details
|
| Australia |
|
Declaration of Continued Application : April 14, 1928 |
April 14, 1928 |
Details
|
| Austria |
|
Accession : September 11, 1920 |
October 1, 1920 |
Details
|
| Azerbaijan |
|
Accession : March 4, 1999 |
June 4, 1999 |
Details
|
| Bahamas |
|
Declaration of Continued Application : July 5, 1976 |
July 10, 1973 |
Details
|
| Bahrain |
|
Accession : November 29, 1996 |
March 2, 1997 |
Details
|
| Bangladesh |
|
Accession : February 4, 1999 |
May 4, 1999 |
Details
|
| Barbados |
|
Accession : March 16, 1983 |
July 30, 1983 |
Details
|
| Belarus |
|
Accession : September 12, 1997 |
December 12, 1997 |
Details
|
| Belgium |
September 9, 1886 |
Ratification : September 5, 1887 |
December 5, 1887 |
Details
|
| Belize |
|
Accession : March 17, 2000 |
June 17, 2000 |
Details
|
| Benin |
|
Declaration of Continued Application : January 3, 1961 |
August 1, 1960 |
Details
|
| Bhutan |
|
Accession : August 25, 2004 |
November 25, 2004 |
Details
|
| Bolivia (Plurinational State of) |
|
Accession : August 4, 1993 |
November 4, 1993 |
Details
|
| Bosnia and Herzegovina |
|
Declaration of Continued Application : June 2, 1993 |
March 1, 1992 |
Details
|
| Botswana |
|
Accession : January 15, 1998 |
April 15, 1998 |
Details
|
| Brazil |
|
Accession : February 6, 1922 |
February 9, 1922 |
Details
|
| Brunei Darussalam |
|
Accession : May 30, 2006 |
August 30, 2006 |
Details
|
| Bulgaria |
|
Accession : December 5, 1921 |
December 5, 1921 |
Details
|
| Burkina Faso |
|
Accession : April 26, 1963 |
August 19, 1963 |
Details
|
| Burundi |
|
Accession : January 12, 2016 |
April 12, 2016 |
Details
|
| Cabo Verde |
|
Accession : April 7, 1997 |
July 7, 1997 |
Details
|
| Cambodia |
|
Accession : December 9, 2021 |
March 9, 2022 |
Details
|
| Cameroon |
|
Declaration of Continued Application : September 21, 1964 |
January 1, 1960 |
Details
|
| Canada |
|
Declaration of Continued Application : April 10, 1928 |
April 10, 1928 |
Details
|
| Central African Republic |
|
Accession : May 31, 1977 |
September 3, 1977 |
Details
|
| Chad |
|
Accession : August 4, 1971 |
November 25, 1971 |
Details
|
| Chile |
|
Accession : April 9, 1970 |
June 5, 1970 |
Details
|
| China |
|
Accession : July 10, 1992 |
October 15, 1992 |
Details
|
| Colombia |
|
Accession : December 4, 1987 |
March 7, 1988 |
Details
|
| Comoros |
|
Accession : January 17, 2005 |
April 17, 2005 |
Details
|
| Congo |
|
Declaration of Continued Application : May 8, 1962 |
August 15, 1960 |
Details
|
| Cook Islands |
|
Accession : May 3, 2017 |
August 3, 2017 |
Details
|
| Costa Rica |
|
Accession : March 3, 1978 |
June 10, 1978 |
Details
|
| Croatia |
|
Declaration/Notification of Succession : July 28, 1992 |
October 8, 1991 |
Details
|
| Cuba |
|
Accession : November 20, 1996 |
February 20, 1997 |
Details
|
| Cyprus |
|
Declaration of Continued Application : February 24, 1964 |
August 16, 1960 |
Details
|
| Czech Republic |
|
Declaration of Continued Application : December 18, 1992 |
January 1, 1993 |
Details
|
| Côte d'Ivoire |
|
Accession : July 8, 1961 |
January 1, 1962 |
Details
|
| Democratic People's Republic of Korea |
|
Accession : January 28, 2003 |
April 28, 2003 |
Details
|
| Democratic Republic of the Congo |
|
Declaration of Continued Application : October 8, 1963 |
June 30, 1960 |
Details
|
| Denmark |
|
Accession : June 13, 1903 |
July 1, 1903 |
Details
|
| Djibouti |
|
Accession : February 13, 2002 |
May 13, 2002 |
Details
|
| Dominica |
|
Accession : May 7, 1999 |
August 7, 1999 |
Details
|
| Dominican Republic |
|
Accession : September 24, 1997 |
December 24, 1997 |
Details
|
| Ecuador |
|
Accession : July 8, 1991 |
October 9, 1991 |
Details
|
| Egypt |
|
Accession : March 2, 1977 |
June 7, 1977 |
Details
|
| El Salvador |
|
Accession : November 18, 1993 |
February 19, 1994 |
Details
|
| Equatorial Guinea |
|
Accession : March 26, 1997 |
June 26, 1997 |
Details
|
| Estonia |
|
Accession : July 26, 1994 |
October 26, 1994 |
Details
|
| Eswatini |
|
Accession : September 14, 1998 |
December 14, 1998 |
Details
|
| Fiji |
|
Declaration of Continued Application : December 1, 1971 |
October 10, 1970 |
Details
|
| Finland |
|
Accession : March 23, 1928 |
April 1, 1928 |
Details
|
| France |
September 9, 1886 |
Ratification : September 5, 1887 |
December 5, 1887 |
Details
|
| Gabon |
|
Accession : December 19, 1961 |
March 26, 1962 |
Details
|
| Gambia |
|
Accession : December 7, 1992 |
March 7, 1993 |
Details
|
| Georgia |
|
Accession : February 16, 1995 |
May 16, 1995 |
Details
|
| Germany |
September 9, 1886 |
Ratification : September 5, 1887 |
December 5, 1887 |
Details
|
| Ghana |
|
Accession : July 11, 1991 |
October 11, 1991 |
Details
|
| Greece |
|
Accession : November 9, 1920 |
November 9, 1920 |
Details
|
| Grenada |
|
Accession : June 22, 1998 |
September 22, 1998 |
Details
|
| Guatemala |
|
Accession : April 28, 1997 |
July 28, 1997 |
Details
|
| Guinea |
|
Accession : August 13, 1980 |
November 20, 1980 |
Details
|
| Guinea-Bissau |
|
Accession : April 18, 1991 |
July 22, 1991 |
Details
|
| Guyana |
|
Accession : July 25, 1994 |
October 25, 1994 |
Details
|
| Haiti |
|
Accession : October 11, 1995 |
January 11, 1996 |
Details
|
| Holy See |
|
Accession : July 19, 1935 |
September 12, 1935 |
Details
|
| Honduras |
|
Accession : October 24, 1989 |
January 25, 1990 |
Details
|
| Hungary |
|
Accession : February 14, 1922 |
February 14, 1922 |
Details
|
| Iceland |
|
Accession : June 30, 1947 |
September 7, 1947 |
Details
|
| India |
|
Declaration of Continued Application : April 23, 1928 |
April 1, 1928 |
Details
|
| Indonesia |
|
Accession : June 5, 1997 |
September 5, 1997 |
Details
|
| Ireland |
|
Accession : October 5, 1927 |
October 5, 1927 |
Details
|
| Israel |
|
Accession : December 14, 1949 |
March 24, 1950 |
Details
|
| Italy |
September 9, 1886 |
Ratification : September 5, 1887 |
December 5, 1887 |
Details
|
| Jamaica |
|
Accession : September 28, 1993 |
January 1, 1994 |
Details
|
| Japan |
|
Accession : April 18, 1899 |
July 15, 1899 |
Details
|
| Jordan |
|
Accession : April 28, 1999 |
July 28, 1999 |
Details
|
| Kazakhstan |
|
Accession : January 12, 1999 |
April 12, 1999 |
Details
|
| Kenya |
|
Accession : March 11, 1993 |
June 11, 1993 |
Details
|
| Kiribati |
|
Accession : October 2, 2017 |
January 2, 2018 |
Details
|
| Kuwait |
|
Accession : September 2, 2014 |
December 2, 2014 |
Details
|
| Kyrgyzstan |
|
Accession : April 8, 1999 |
July 8, 1999 |
Details
|
| Lao People's Democratic Republic |
|
Accession : December 14, 2011 |
March 14, 2012 |
Details
|
| Latvia |
|
Accession : May 11, 1995 |
August 11, 1995 |
Details
|
| Lebanon |
|
Accession : February 19, 1946 |
September 30, 1947 |
Details
|
| Lesotho |
|
Accession : June 27, 1989 |
September 28, 1989 |
Details
|
| Liberia |
|
Accession : December 8, 1988 |
March 8, 1989 |
Details
|
| Libya |
|
Accession : June 28, 1976 |
September 28, 1976 |
Details
|
| Liechtenstein |
|
Accession : July 20, 1931 |
July 30, 1931 |
Details
|
| Lithuania |
|
Accession : September 14, 1994 |
December 14, 1994 |
Details
|
| Luxembourg |
|
Accession : June 20, 1888 |
June 20, 1888 |
Details
|
| Madagascar |
|
Declaration of Continued Application : February 11, 1966 |
January 1, 1966 |
Details
|
| Malawi |
|
Accession : July 12, 1991 |
October 12, 1991 |
Details
|
| Malaysia |
|
Accession : June 28, 1990 |
October 1, 1990 |
Details
|
| Maldives |
|
Accession : August 22, 2025 |
November 22, 2025 |
Details
|
| Mali |
|
Declaration of Continued Application : March 19, 1962 |
March 19, 1962 |
Details
|
| Malta |
|
Declaration of Continued Application : May 29, 1968 |
September 21, 1964 |
Details
|
| Mauritania |
|
Accession : October 16, 1972 |
February 6, 1973 |
Details
|
| Mauritius |
|
Accession : February 9, 1989 |
May 10, 1989 |
Details
|
| Mexico |
|
Accession : May 9, 1967 |
June 11, 1967 |
Details
|
| Micronesia (Federated States of) |
|
Accession : July 7, 2003 |
October 7, 2003 |
Details
|
| Monaco |
|
Accession : May 30, 1889 |
May 30, 1889 |
Details
|
| Mongolia |
|
Accession : December 12, 1997 |
March 12, 1998 |
Details
|
| Montenegro |
|
Declaration of Continued Application : December 4, 2006 |
June 3, 2006 |
Details
|
| Morocco |
|
Accession : June 16, 1917 |
June 16, 1917 |
Details
|
| Mozambique |
|
Accession : August 22, 2013 |
November 22, 2013 |
Details
|
| Namibia |
|
Declaration of Continued Application : September 21, 1993 |
March 21, 1990 |
Details
|
| Naoero |
|
Accession : February 11, 2020 |
May 11, 2020 |
Details
|
| Nepal |
|
Accession : October 11, 2005 |
January 11, 2006 |
Details
|
| Netherlands (Kingdom of the) |
|
Accession : October 9, 1912 |
November 1, 1912 |
Details
|
| New Zealand |
|
Declaration of Continued Application : April 26, 1928 |
April 24, 1928 |
Details
|
| Nicaragua |
|
Accession : May 23, 2000 |
August 23, 2000 |
Details
|
| Niger |
|
Declaration of Continued Application : May 2, 1962 |
August 3, 1960 |
Details
|
| Nigeria |
|
Accession : June 10, 1993 |
September 14, 1993 |
Details
|
| Niue |
|
Accession : June 24, 2016 |
September 24, 2016 |
Details
|
| North Macedonia |
|
Declaration/Notification of Succession : July 23, 1993 |
September 8, 1991 |
Details
|
| Norway |
|
Accession : April 13, 1896 |
April 13, 1896 |
Details
|
| Oman |
|
Accession : April 14, 1999 |
July 14, 1999 |
Details
|
| Pakistan |
|
Accession : June 4, 1948 |
July 5, 1948 |
Details
|
| Panama |
|
Accession : March 8, 1996 |
June 8, 1996 |
Details
|
| Paraguay |
|
Accession : September 9, 1991 |
January 2, 1992 |
Details
|
| Peru |
|
Accession : May 20, 1988 |
August 20, 1988 |
Details
|
| Philippines |
|
Accession : June 29, 1950 |
August 1, 1951 |
Details
|
| Poland |
|
Accession : January 28, 1920 |
January 28, 1920 |
Details
|
| Portugal |
|
Accession : March 29, 1911 |
March 29, 1911 |
Details
|
| Qatar |
|
Accession : April 5, 2000 |
July 5, 2000 |
Details
|
| Republic of Korea |
|
Accession : May 21, 1996 |
August 21, 1996 |
Details
|
| Republic of Moldova |
|
Accession : August 1, 1995 |
November 2, 1995 |
Details
|
| Romania |
|
Accession : August 28, 1926 |
January 1, 1927 |
Details
|
| Russian Federation |
|
Accession : December 9, 1994 |
March 13, 1995 |
Details
|
| Rwanda |
|
Accession : November 3, 1983 |
March 1, 1984 |
Details
|
| Saint Kitts and Nevis |
|
Accession : January 3, 1995 |
April 9, 1995 |
Details
|
| Saint Lucia |
|
Accession : May 21, 1993 |
August 24, 1993 |
Details
|
| Saint Vincent and the Grenadines |
|
Accession : May 29, 1995 |
August 29, 1995 |
Details
|
| Samoa |
|
Accession : April 21, 2006 |
July 21, 2006 |
Details
|
| San Marino |
|
Accession : June 2, 2020 |
September 2, 2020 |
Details
|
| Sao Tome and Principe |
|
Accession : March 14, 2016 |
June 14, 2016 |
Details
|
| Saudi Arabia |
|
Accession : December 11, 2003 |
March 11, 2004 |
Details
|
| Senegal |
|
Accession : June 30, 1962 |
August 25, 1962 |
Details
|
| Serbia |
|
Declaration of Continued Application : September 19, 2006 |
April 27, 1992 |
Details
|
| Singapore |
|
Accession : September 21, 1998 |
December 21, 1998 |
Details
|
| Slovakia |
|
Declaration of Continued Application : December 30, 1992 |
January 1, 1993 |
Details
|
| Slovenia |
|
Declaration of Continued Application : June 12, 1992 |
June 25, 1991 |
Details
|
| Solomon Islands |
|
Accession : April 4, 2019 |
July 4, 2019 |
Details
|
| South Africa |
|
Declaration of Continued Application : October 3, 1928 |
October 3, 1928 |
Details
|
| Spain |
September 9, 1886 |
Ratification : September 5, 1887 |
December 5, 1887 |
Details
|
| Sri Lanka |
|
Declaration of Continued Application : July 20, 1959 |
February 4, 1948 |
Details
|
| Sudan |
|
Accession : September 28, 2000 |
December 28, 2000 |
Details
|
| Suriname |
|
Accession : November 16, 1976 |
February 23, 1977 |
Details
|
| Sweden |
|
Accession : July 8, 1904 |
August 1, 1904 |
Details
|
| Switzerland |
September 9, 1886 |
Ratification : September 5, 1887 |
December 5, 1887 |
Details
|
| Syrian Arab Republic |
|
Accession : March 11, 2004 |
June 11, 2004 |
Details
|
| Tajikistan |
|
Accession : December 9, 1999 |
March 9, 2000 |
Details
|
| Thailand |
|
Accession : June 17, 1931 |
July 17, 1931 |
Details
|
| Togo |
|
Accession : January 28, 1975 |
April 30, 1975 |
Details
|
| Tonga |
|
Accession : March 14, 2001 |
June 14, 2001 |
Details
|
| Trinidad and Tobago |
|
Accession : May 16, 1988 |
August 16, 1988 |
Details
|
| Tunisia |
September 9, 1886 |
Ratification : September 5, 1887 |
December 5, 1887 |
Details
|
| Turkmenistan |
|
Accession : February 29, 2016 |
May 29, 2016 |
Details
|
| Tuvalu |
|
Accession : March 2, 2017 |
June 2, 2017 |
Details
|
| Türkiye |
|
Accession : October 27, 1951 |
January 1, 1952 |
Details
|
| Uganda |
|
Accession : January 28, 2022 |
April 28, 2022 |
Details
|
| Ukraine |
|
Accession : July 25, 1995 |
October 25, 1995 |
Details
|
| United Arab Emirates |
|
Accession : April 14, 2004 |
July 14, 2004 |
Details
|
| United Kingdom |
September 9, 1886 |
Ratification : September 5, 1887 |
December 5, 1887 |
Details
|
| United Republic of Tanzania |
|
Accession : April 25, 1994 |
July 25, 1994 |
Details
|
| United States of America |
|
Accession : November 16, 1988 |
March 1, 1989 |
Details
|
| Uruguay |
|
Accession : June 7, 1967 |
July 10, 1967 |
Details
|
| Uzbekistan |
|
Accession : January 19, 2005 |
April 19, 2005 |
Details
|
| Vanuatu |
|
Accession : September 27, 2012 |
December 27, 2012 |
Details
|
| Venezuela (Bolivarian Republic of) |
|
Accession : September 20, 1982 |
December 30, 1982 |
Details
|
| Viet Nam |
|
Accession : July 26, 2004 |
October 26, 2004 |
Details
|
| Yemen |
|
Accession : April 14, 2008 |
July 14, 2008 |
Details
|
| Zambia |
|
Accession : September 13, 1991 |
January 2, 1992 |
Details
|
| Zimbabwe |
|
Declaration/Notification of Succession : September 18, 1981 |
April 18, 1980 |
Details
|