Antarctic Treaty

Signed at Washington: 1 December 1959
 
Entered into force: 23 June 1961 
 
Depositary:  Government of the United States of America
 
State Signature Deposit Deposit Type
Argentina 1 December 1959  
23 June 1961  
Ratification
Australia 1 December 1959  
23 June 1961 *
Ratification
Austria 25 August 1987  
Accession
Belarus 27 December 2006  
Accession
Belgium 1 December 1959  
26 July 1960  
Ratification
Brazil 16 May 1975  
Accession
Bulgaria 11 September 1978  
Accession
Canada 4 May 1988  
Accession
Chile 1 December 1959  
23 June 1961  
Ratification
China 8 June 1983  
Accession
Colombia 31 January 1989  
Accession
Cuba 16 August 1984  
Accession
Czech Republic 1 January 1993 *
Succession
Democratic People's Republic of Korea 21 January 1987  
Accession
Denmark 20 May 1965  
Accession
Ecuador 15 September 1987  
Accession
Estonia 17 May 2001  
Accession
Finland 15 May 1984  
Accession
France 1 December 1959  
16 September 1960  
Ratification
Germany 5 February 1979 *
Accession
Greece 8 January 1987  
Accession
Guatemala 31 July 1991  
Accession
Hungary 27 January 1984  
Accession
India 19 August 1983  
Accession
Italy 18 March 1981  
Accession
Japan 1 December 1959  
4 August 1960  
Ratification
Malaysia 31 October 2011  
Accession
Monaco 31 May 2008  
Accession
Netherlands 30 March 1967 *
Accession
New Zealand 1 December 1959  
1 November 1960  
Ratification
Norway 1 December 1959  
24 August 1960  
Ratification
Pakistan 1 March 2012  
Accession
Papua New Guinea 16 March 1981 *
Succession
Peru 10 April 1981  
Accession
Poland 8 June 1961  
Accession
Portugal 29 January 2010  
Accession
Republic of Korea 28 November 1986  
Accession
Romania 15 September 1971 *
Accession
Russian Federation 1 December 1959  
2 November 1960 *
Ratification
Slovakia 1 January 1993 *
Succession
South Africa 1 December 1959  
21 June 1960  
Ratification
Spain 31 March 1982  
Accession
Sweden 24 April 1984  
Accession
Switzerland 15 November 1990  
Accession
Turkey 24 January 1996  
Accession
Ukraine 28 October 1992  
Accession
United Kingdom of Great Britain and Northern Ireland 1 December 1959  
31 May 1960  
Ratification
United States of America 1 December 1959  
18 August 1960  
Ratification
Uruguay 11 January 1980 *
Accession
Venezuela (Bolivarian Republic of) 24 March 1999  
Accession

* A note, statement, declaration, or reservation, is attached to the signature or depository action. Click on the action date to view the details.

  Glossary of treaty-related terms

Number of Signatory States: 12
Number of States Parties: 50