| Party | Signature | Provisional application |
RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known | Entry into force | Renunciation | Termination |
|---|---|---|---|---|---|---|
| Afghanistan | 09-11-1935 (A) | 09-11-1935 | ||||
| Albania | 02-07-1957 (A) | 02-07-1957 | ||||
| Algeria | 20-11-1963 (A) | 20-11-1963 | ||||
| Antigua and Barbuda | 25-10-1988 (Su) | 01-11-1981 | ||||
| Australia | 25-09-1926 | 18-06-1927 (R) | 18-06-1927 | |||
| Austria | 25-09-1926 | 19-08-1927 (R) | 19-08-1927 | |||
| Azerbaijan | 16-08-1996 (A) | 16-08-1996 | ||||
| Bahamas | 10-06-1976 (Su) | 10-07-1973 | ||||
| Bahrain | 27-03-1990 (A) | 27-03-1990 | ||||
| Bangladesh | 07-01-1985 (A) | 07-01-1985 | ||||
| Barbados | 22-07-1976 (Su) | 30-11-1966 | ||||
| Belarus | 13-09-1956 (A) | 13-09-1956 | ||||
| Belgium | 25-09-1926 | 23-09-1927 (R) | 23-09-1927 | |||
| Benin | 04-04-1962 (Su) | 01-08-1960 | ||||
| Bolivia | 06-10-1983 (A) | 06-10-1983 | ||||
| Bosnia and Herzegovina | 01-09-1993 (Su) | 06-03-1992 | ||||
| Brazil | 06-01-1966 (A) | 06-01-1966 | ||||
| Bulgaria | 25-09-1926 | 09-03-1927 (R) | 09-03-1927 | |||
| Cameroon | 07-03-1962 (Su) | 01-01-1960 | ||||
| Canada | 25-09-1926 | 06-08-1928 (R) | 06-08-1928 | |||
| Central African Republic | 04-09-1962 (Su) | 13-08-1960 | ||||
| Chile | 20-06-1995 (A) | 20-06-1995 | ||||
| China | ||||||
| Colombia | 25-09-1926 | |||||
| Côte d'Ivoire | 08-12-1961 (Su) | 07-08-1960 | ||||
| Croatia | 12-10-1992 (Su) | 08-10-1991 | ||||
| Cuba | 25-09-1926 | 06-07-1931 (R) | 06-07-1931 | |||
| Cyprus | 21-04-1986 (Su) | 16-08-1960 | ||||
| Czech Republic | 22-02-1993 (Su) | 01-01-1993 | ||||
| Czechoslovakia (<01-01-1993) | 25-09-1926 | 10-10-1930 (R) | 10-10-1930 | |||
| Denmark | 25-09-1926 | 17-05-1927 (R) | 17-05-1927 | |||
| Dominica | 17-08-1994 (Su) | 17-08-1994 | ||||
| Dominican Republic | 16-07-1928 (A) | |||||
| Ecuador | 26-03-1928 (A) | 26-03-1928 | ||||
| Egypt | 25-01-1928 (A) | 25-01-1928 | ||||
| Estonia | 25-09-1926 | 16-05-1929 (R) | 16-05-1929 | |||
| Ethiopia | 25-09-1926 | 21-01-1969 (R) | 21-01-1969 | |||
| Fiji | 12-06-1972 (Su) | 10-10-1970 | ||||
| Finland | 25-09-1926 | 29-09-1927 (R) | 29-09-1927 | |||
| France | 25-09-1926 | 28-03-1931 (R) | 28-03-1931 | |||
| Germany | 25-09-1926 | 12-03-1929 (R) | 12-03-1929 | |||
| Ghana | 03-05-1963 (Su) | 06-03-1957 | ||||
| Greece | 25-09-1926 | 04-07-1930 (R) | 04-07-1930 | |||
| Guatemala | 11-11-1983 (A) | 11-11-1983 | ||||
| Guinea | 30-03-1962 (Su) | 02-10-1958 | ||||
| Haïti | 03-09-1927 (A) | 03-09-1927 | ||||
| Hungary | 17-02-1933 (A) | 17-02-1933 | ||||
| India | 25-09-1926 | 18-06-1927 (R) | 18-06-1927 | |||
| Iran | 25-09-1926 | |||||
| Iraq | 18-01-1929 (A) | 18-01-1929 | ||||
| Ireland | 18-07-1930 (A) | 18-07-1930 | ||||
| Israel | 06-01-1955 (A) | 06-01-1955 | ||||
| Italy | 25-09-1926 | 25-08-1928 (R) | 25-08-1928 | |||
| Jamaica | 30-07-1964 (Su) | 06-08-1962 | ||||
| Jordan | 05-05-1959 (A) | 05-05-1959 | ||||
| Kazakhstan | 01-05-2008 (A) | 01-05-2008 | ||||
| Kuwait | 28-05-1963 (A) | 28-05-1963 | ||||
| Kyrgyzstan | 05-09-1997 (A) | 05-09-1997 | ||||
| Latvia | 25-09-1926 | 09-07-1927 (R) | 09-07-1927 | |||
| Lebanon | 25-06-1931 (A) | 25-06-1931 | ||||
| Lesotho | 04-11-1974 (Su) | 04-10-1966 | ||||
| Liberia | 25-09-1926 | 17-05-1930 (R) | 17-05-1930 | |||
| Libya | 14-02-1957 (A) | 14-02-1957 | ||||
| Lithuania | 25-09-1926 | |||||
| Madagascar | 12-02-1964 (A) | 12-02-1964 | ||||
| Malawi | 02-08-1965 (A) | 02-08-1965 | ||||
| Mali | 02-02-1973 (Su) | 22-09-1960 | ||||
| Malta | 03-01-1966 (Su) | 21-09-1964 | ||||
| Mauritania | 06-06-1986 (A) | 06-06-1986 | ||||
| Mauritius | 18-07-1969 (Su) | 12-03-1968 | ||||
| Mexico | 08-09-1934 (A) | 08-09-1934 | ||||
| Monaco | 17-01-1928 (A) | 17-01-1928 | ||||
| Mongolia | 20-12-1968 (A) | 20-12-1968 | ||||
| Montenegro | 23-10-2006 (Su) | 03-06-2006 | ||||
| Morocco | 11-05-1959 (Su) | 11-05-1959 | ||||
| Myanmar | 01-04-1937 (Su) | 18-06-1927 | ||||
| Nepal | 07-01-1963 (A) | 07-01-1963 | ||||
| Netherlands, the Kingdom of the | 25-09-1926 | 07-01-1928 (R) | 07-01-1928 | |||
| New Zealand | 25-09-1926 | 18-06-1927 (R) | 18-06-1927 | |||
| Nicaragua | 03-10-1927 (A) | 03-10-1927 | ||||
| Niger | 25-08-1961 (Su) | 03-08-1960 | ||||
| Nigeria | 26-06-1961 (Su) | 01-10-1960 | ||||
| North Macedonia | 18-01-1994 (Su) | 17-11-1991 | ||||
| Norway | 25-09-1926 | 10-09-1927 (R) | 10-09-1927 | |||
| Pakistan | 30-09-1955 (A) | 30-09-1955 | ||||
| Panama | 25-09-1926 | |||||
| Papua New Guinea | 27-01-1982 (A) | 27-01-1982 | ||||
| Paraguay | 27-09-2007 (A) | 27-09-2007 | ||||
| Philippines | 12-07-1955 (A) | 12-07-1955 | ||||
| Poland | 25-09-1926 | 17-09-1930 (R) | 17-09-1930 | |||
| Portugal | 25-09-1926 | 04-10-1927 (R) | 04-10-1927 | |||
| Republic of the Congo | 15-10-1962 (Su) | 15-08-1960 | ||||
| Romania | 25-09-1926 | 22-06-1931 (R) | 22-06-1931 | |||
| Russian Federation | 08-08-1956 (A) | 08-08-1956 | ||||
| Saint Lucia | 14-02-1990 (Su) | 22-02-1979 | ||||
| Saint Vincent and the Grenadines | 09-11-1981 (A) | 09-11-1981 | ||||
| Saudi Arabia | 05-07-1973 (A) | 05-07-1973 | ||||
| Senegal | 02-05-1963 (Su) | 20-08-1960 | ||||
| Serbia | 12-03-2001 (Su) | 27-04-1992 | ||||
| Seychelles | 05-05-1992 (A) | 05-05-1992 | ||||
| Sierra Leone | 13-03-1962 (Su) | 27-04-1961 | ||||
| Slovakia | 28-05-1993 (Su) | 01-01-1993 | ||||
| Solomon Islands | 03-09-1981 (Su) | 07-07-1978 | ||||
| South Africa | 25-09-1926 | 18-06-1927 (R) | 18-06-1927 | |||
| Spain | 25-09-1926 | 12-09-1927 (R) | 12-09-1927 | |||
| Sri Lanka | 21-03-1958 (A) | 21-03-1958 | ||||
| Sudan | 15-09-1927 (A) | 15-09-1927 | ||||
| Suriname | 12-10-1979 (Su) | 25-11-1975 | ||||
| Sweden | 25-09-1926 | 17-12-1927 (R) | 17-12-1927 | |||
| Switzerland | 01-11-1930 (A) | 01-11-1930 | ||||
| Syria | 25-06-1931 (A) | 25-06-1931 | ||||
| Tanzania | 28-11-1962 (A) | 28-11-1962 | ||||
| Togo | 27-02-1962 (Su) | 27-04-1960 | ||||
| Trinidad and Tobago | 11-04-1966 (Su) | 31-08-1962 | ||||
| Tunisia | 15-07-1966 (A) | 15-07-1966 | ||||
| Türkiye | 24-07-1933 (A) | 24-07-1933 | ||||
| Turkmenistan | 01-05-1997 (A) | 01-05-1997 | ||||
| Uganda | 12-08-1964 (A) | 12-08-1964 | ||||
| Ukraine | 27-01-1959 (A) | 27-01-1959 | ||||
| United Kingdom | 25-09-1926 | 18-06-1927 (R) | 18-06-1927 | |||
| United States of America | 21-03-1929 (A) | 21-03-1929 | ||||
| Uruguay | 07-06-2001 (A) | 07-06-2001 | ||||
| Vietnam | 14-08-1956 (A) | 14-08-1956 | ||||
| Yemen | 09-02-1987 (A) | 09-02-1987 | ||||
| Yugoslavia (< 25-06-1991) | 25-09-1926 | 28-09-1929 (R) | 28-09-1929 | |||
| Zambia | 26-03-1973 (Su) | 24-10-1964 |
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