As of 2023, the treaty has been ratified by 98 states. Of the ratifying states, 30 have subsequently denounced the convention.
[What are the consequences of denunciation?]
More information Country, Ratification date ...
| Country |
Ratification date |
Status |
|---|
| Afghanistan | 14 May 1937 | ratified |
| Angola | 4 June 1976 | ratified |
| Argentina | 14 March 1950 | ratified |
| Australia | 7 October 1953 | denounced on 20 May 1988 |
| Austria | 3 July 1937 | denounced on 3 April 2008 |
| Azerbaijan | 19 May 1992 | ratified |
| Bahamas | 25 May 1976 | ratified |
| Bangladesh | 22 June 1972 | ratified |
| Belarus (as the Byelorussian SSR) | 4 August 1961 | ratified |
| Belgium | 4 August 1937 | denounced on 30 May 2008 |
| Bolivia | 15 November 1973 | ratified |
| Bosnia and Herzegovina | 2 June 1993 | denounced on 26 March 2018 |
| Brazil | 22 September 1938 | ratified |
| Bulgaria | 29 December 1949 | ratified |
| Cameroon | 3 September 1962 | ratified |
| Canada | 16 September 1966 | denounced on 19 May 1978 |
| Chile | 16 March 1946 | denounced on 30 May 1997 |
| China (as the Republic of China) | 2 December 1936 | ratified |
| Costa Rica | 22 March 1960 | ratified |
| Côte d'Ivoire | 5 May 1961 | ratified |
| Croatia | 8 October 1991 | ratified |
| Cuba | 14 April 1936 | ratified |
| Cyprus | 23 September 1960 | denounced on 11 July 2017 |
| Czech Republic | 1 January 1993 | denounced on 24 April 2008 |
| Djibouti | 3 August 1978 | denounced on 29 May 2008 |
| Dominican Republic | 12 August 1957 | ratified |
| Ecuador | 6 July 1954 | ratified |
| Egypt | 11 July 1947 | ratified |
| Estonia | 4 June 1937 | denounced on 6 December 2007 |
| Fiji | 19 April 1974 | ratified |
| Finland | 3 March 1938 | denounced on 19 September 1997 |
| France | 25 January 1938 | denounced on 2 May 2008 |
| Gabon | 13 June 1961 | ratified |
| Germany | 15 November 1954 | denounced on 25 April 2008 |
| Ghana | 20 May 1957 | ratified |
| Greece | 30 May 1936 | ratified |
| Guatemala | 7 March 1960 | ratified |
| Guinea-Bissau | 21 February 1977 | ratified |
| Guinea | 12 December 1966 | ratified |
| Guyana | 8 June 1966 | ratified |
| Haiti | 5 April 1960 | ratified |
| Honduras | 20 June 1960 | ratified |
| Hungary | 19 December 1938 | denounced on 30 May 2008 |
| India | 25 March 1938 | ratified |
| Indonesia | 12 June 1950 | ratified |
| Ireland | 20 August 1936 | denounced on 27 May 1988 |
| Italy | 22 October 1952 | denounced on 29 May 2008 |
| Japan | 11 June 1956 | ratified |
| Kenya | 13 January 1964 | ratified |
| Kyrgyzstan | 31 March 1992 | ratified |
| Lebanon | 26 July 1962 | ratified |
| Lesotho | 31 October 1966 | ratified |
| Luxembourg | 3 March 1958 | denounced on 29 April 1988 |
| Malawi | 22 March 1965 | ratified |
| Malaysia (as the Federation of Malaya) | 11 November 1957 | ratified |
| Malta | 9 June 1988 | denounced on 29 May 2008 |
| Mexico | 21 February 1938 | ratified |
| Montenegro | 3 June 2006 | ratified |
| Morocco | 20 September 1956 | ratified |
| Netherlands | 20 February 1937 | denounced on 29 April 1998 |
| New Zealand | 29 March 1938 | denounced on 23 June 1987 |
| Nicaragua | 1 March 1976 | ratified |
| Nigeria | 17 October 1960 | ratified |
| North Macedonia[1] | 17 November 1991 | ratified |
| Pakistan | 25 March 1938 | ratified |
| Panama | 16 February 1959 | ratified |
| Papua New Guinea | 1 May 1976 | ratified |
| Peru | 8 November 1945 | denounced on 9 June 1997 |
| Poland | 15 June 1957 | denounced on 29 May 2008 |
| Portugal | 18 October 1937 | ratified |
| Russian Federation (as the Soviet Union) | 4 May 1961 | ratified |
| Saudi Arabia | 15 June 1978 | ratified |
| Serbia (as the Federal Republic of Yugoslavia) | 24 November 2000 | ratified |
| Sierra Leone | 13 June 1961 | ratified |
| Singapore | 25 October 1965 | ratified |
| Slovakia | 1 January 1993 | denounced on 20 February 2008 |
| Slovenia | 29 May 1992 | denounced on 18 March 2008 |
| Solomon Islands | 6 August 1985 | ratified |
| Somalia | 18 November 1960 | ratified |
| South Africa | 25 June 1936 | ratified |
| Spain | 24 June 1958 | denounced |
| Sri Lanka | 20 December 1950 | ratified |
| Swaziland | 5 June 1981 | ratified |
| Sweden | 11 July 1936 | denounced on 15 June 1967 |
| Switzerland | 23 May 1940 | ratified |
| Syrian Arab Republic | 26 July 1960 | ratified |
| Tajikistan | 26 November 1993 | ratified |
| Tanzania (as Tanganyika) | 30 January 1962 | ratified |
| Tunisia | 15 May 1957 | ratified |
| Turkey | 21 April 1938 | ratified |
| Uganda | 4 June 1963 | ratified |
| Ukraine (as the Ukrainian SSR) | 4 August 1961 | ratified |
| United Kingdom | 18 July 1936 | denounced on 26 May 1988 |
| Uruguay | 18 March 1954 | denounced on 26 May 1978 |
| Bolivarian Republic of Venezuela | 20 November 1944 | ratified |
| Viet Nam | 3 October 1994 | ratified |
| Zambia | 2 December 1964 | denounced on 3 March 1998 |
| Zimbabwe | 6 June 1980 | denounced on 30 May 2008 |
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