Albania |
April 20, 1921 |
Ratification : October 8, 1921 |
October 31, 1922 |
|
Antigua and Barbuda |
|
Declaration/Notification of Succession : October 25, 1988 |
November 1, 1981 |
|
Armenia |
|
Accession : May 24, 2013 |
August 21, 2013 |
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Austria |
April 20, 1921 |
Ratification : November 15, 1923 |
February 13, 1924 |
|
Belgium |
April 20, 1921 |
Ratification : May 16, 1927 |
August 14, 1927 |
|
Bolivia (Plurinational State of) |
April 20, 1921 |
|
|
|
Bosnia and Herzegovina |
|
Declaration/Notification of Succession : September 1, 1993 |
March 6, 1992 |
|
Bulgaria |
April 20, 1921 |
Ratification : June 11, 1922 |
October 31, 1922 |
|
Cambodia |
|
Declaration/Notification of Succession : April 12, 1971 |
November 9, 1953 |
|
Chile |
April 20, 1921 |
Ratification : March 19, 1928 |
June 17, 1928 |
|
China |
April 20, 1921 |
|
|
Details
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Croatia |
|
Declaration/Notification of Succession : August 3, 1992 |
October 8, 1991 |
|
Czech Republic |
|
Declaration/Notification of Succession : February 9, 1996 |
January 1, 1993 |
|
Denmark |
April 20, 1921 |
Ratification : November 13, 1922 |
February 11, 1923 |
|
Estonia |
April 20, 1921 |
Ratification : June 6, 1925 |
September 4, 1925 |
|
Eswatini |
|
Accession : November 24, 1969 |
February 22, 1970 |
|
Fiji |
|
Declaration/Notification of Succession : March 15, 1972 |
October 10, 1970 |
|
Finland |
April 20, 1921 |
Ratification : January 29, 1923 |
April 29, 1923 |
|
France |
April 20, 1921 |
Ratification : September 19, 1924 |
December 18, 1924 |
|
Georgia |
|
Accession : June 2, 1999 |
August 31, 1999 |
|
Germany |
|
Accession : April 9, 1924 |
July 7, 1924 |
|
Greece |
April 20, 1921 |
Ratification : February 18, 1924 |
May 18, 1924 |
|
Guatemala |
April 20, 1921 |
|
|
|
Hungary |
|
Accession : May 18, 1928 |
August 16, 1928 |
|
India |
April 20, 1921 |
Ratification : August 2, 1922 |
October 31, 1922 |
|
Iran (Islamic Republic of) |
April 20, 1921 |
Ratification : January 29, 1931 |
April 29, 1931 |
|
Iraq |
|
Accession : March 1, 1930 |
May 30, 1930 |
|
Italy |
April 20, 1921 |
Ratification : August 5, 1922 |
November 3, 1922 |
|
Japan |
April 20, 1921 |
Ratification : February 20, 1924 |
May 20, 1924 |
|
Lao People's Democratic Republic |
|
Declaration/Notification of Succession : November 24, 1956 |
October 22, 1953 |
|
Latvia |
April 20, 1921 |
Ratification : September 29, 1923 |
December 28, 1923 |
|
Lebanon |
|
Accession : February 7, 1929 |
May 8, 1929 |
|
Lesotho |
|
Declaration/Notification of Succession : October 23, 1973 |
October 4, 1966 |
|
Liberia |
|
Accession : September 16, 2005 |
December 15, 2005 |
|
Lithuania |
April 20, 1921 |
|
|
|
Luxembourg |
April 20, 1921 |
Ratification : March 19, 1930 |
June 17, 1930 |
|
Malawi |
|
|
|
Details
|
Malta |
|
Declaration/Notification of Succession : May 13, 1966 |
September 21, 1964 |
|
Mauritius |
|
Declaration/Notification of Succession : July 18, 1969 |
March 12, 1968 |
|
Nepal |
|
Accession : August 22, 1966 |
November 20, 1966 |
|
Netherlands (Kingdom of the) |
April 20, 1921 |
Ratification : April 17, 1924 |
July 16, 1924 |
Details
|
New Zealand |
April 20, 1921 |
Ratification : August 2, 1922 |
October 31, 1922 |
|
Nigeria |
|
Accession : November 3, 1967 |
February 1, 1968 |
|
Norway |
April 20, 1921 |
Ratification : September 4, 1923 |
December 3, 1923 |
|
Panama |
April 20, 1921 |
|
|
|
Poland |
April 20, 1921 |
Ratification : October 8, 1924 |
January 6, 1925 |
|
Portugal |
April 20, 1921 |
|
|
|
Romania |
April 20, 1921 |
Ratification : September 5, 1923 |
December 4, 1923 |
|
Rwanda |
|
Declaration/Notification of Succession : February 10, 1965 |
July 1, 1962 |
|
Saint Vincent and the Grenadines |
|
Declaration/Notification of Succession : September 5, 2001 |
October 27, 1979 |
|
Serbia |
|
Ratification : May 7, 1930 |
August 5, 1930 |
|
Slovakia |
|
Declaration/Notification of Succession : May 28, 1993 |
January 1, 1993 |
|
Slovenia |
|
Declaration/Notification of Succession : July 6, 1992 |
June 25, 1991 |
|
Spain |
April 20, 1921 |
Ratification : December 17, 1929 |
March 17, 1930 |
|
Sweden |
April 20, 1921 |
Ratification : January 19, 1925 |
April 19, 1925 |
|
Switzerland |
April 20, 1921 |
Ratification : July 14, 1924 |
October 12, 1924 |
|
Syrian Arab Republic |
|
Accession : February 7, 1929 |
May 8, 1929 |
|
Thailand |
|
Accession : November 29, 1922 |
February 27, 1923 |
|
Türkiye |
|
Ratification : June 27, 1933 |
September 25, 1933 |
|
United Kingdom |
April 20, 1921 |
Ratification : August 2, 1922 |
October 31, 1922 |
Details
|
Uruguay |
April 20, 1921 |
|
|
|
Zimbabwe |
|
Declaration/Notification of Succession : December 1, 1998 |
April 18, 1980 |
|