Afghanistan | | Accession: March 2, 2018 | June 2, 2018 | |
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 |
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 |
Côte d'Ivoire | | Accession: July 8, 1961 | January 1, 1962 | 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 |
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 (the) | | 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 |
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 |
Nepal | | Accession: October 11, 2005 | January 11, 2006 | Details |
Netherlands | | 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 |
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 |
Turkey | | Accession: October 27, 1951 | January 1, 1952 | Details |
Turkmenistan | | Accession: February 29, 2016 | May 29, 2016 | Details |
Tuvalu | | Accession: March 2, 2017 | June 2, 2017 | 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 |