Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies

Opened for signature at London, Moscow and Washington: 27 January 1967 
 
Entered into force: 10 October 1967 
 
Depositary Governments: Russian Federation, United Kingdom of Great Britain and Northern Ireland and 
United States of America
State Signature Deposit Deposit Type
Zambia 28 August 1973  
21 August 1973  
20 August 1973  
London
Moscow
Washington
Accession
Accession
Accession
Yemen 1 June 1979  
Moscow
Accession
Viet Nam 20 June 1980  
Moscow
Accession
United Arab Emirates 4 October 2000  
Washington
Accession
Uganda 24 April 1968  
Washington
Accession
Tonga 7 July 1971 *
7 July 1971  
22 June 1971 *
Washington
London
Moscow
Succession
Succession
Succession
Syrian Arab Republic 19 November 1968 *
Moscow
Accession
Spain 7 December 1968  
27 November 1968  
Washington
London
Accession
Accession
Slovenia 8 February 2019  
London
Accession
Slovakia 17 May 1993 *
1 January 1993 *
1 January 1993 *
London
Washington
Moscow
Succession
Succession
Succession
Singapore 10 September 1976  
10 September 1976  
10 September 1976  
Washington
Moscow
London
Accession
Accession
Accession
Seychelles 5 January 1978  
London
Accession
Saudi Arabia 17 December 1976  
Washington
Accession
Saint Vincent and the Grenadines 13 May 1999  
London
Succession
Qatar 13 March 2012  
Washington
Accession
Portugal 29 May 1996 *
London
Accession
Paraguay 22 December 2016  
London
Accession
Papua New Guinea 16 March 1981 *
13 November 1980 *
27 October 1980  
Washington
Moscow
London
Succession
Succession
Succession
Nigeria 14 November 1967  
London
Accession
Morocco 22 December 1967  
21 December 1967  
21 December 1967  
Washington
Moscow
London
Accession
Accession
Accession
Mauritius 13 May 1969 *
21 April 1969  
7 April 1969 *
Moscow
London
Washington
Succession
Succession
Succession
Malta 22 May 2017  
London
Accession
Mali 11 June 1968  
Moscow
Accession
Madagascar 22 August 1968 *
Washington
Accession
Lithuania 25 March 2013  
Washington
Accession
Libya 3 July 1968  
Washington
Accession
Kuwait 4 July 1972 *
20 June 1972  
7 June 1972 *
Moscow
London
Washington
Accession
Accession
Accession
Kenya 19 January 1984  
London
Accession
Kazakhstan 11 June 1998  
Moscow
Accession
Guinea-Bissau 20 August 1976  
Moscow
Accession
Fiji 29 August 1972 *
14 August 1972  
18 July 1972 *
Moscow
London
Washington
Succession
Succession
Succession
Estonia 19 April 2010  
Washington
Accession
Equatorial Guinea 16 January 1989  
Moscow
Accession
Democratic People's Republic of Korea 5 March 2009  
Moscow
Accession
Czech Republic 29 September 1993 *
1 January 1993 *
1 January 1993 *
London
Washington
Moscow
Succession
Succession
Succession
Cuba 3 June 1977 *
Moscow
Accession
China 12 January 1984 *
6 January 1984 *
30 December 1983 *
London
Moscow
Washington
Accession
Accession
Accession
Benin 7 July 1986  
2 July 1986  
19 June 1986  
Washington
London
Moscow
Accession
Accession
Accession
Barbados 12 September 1968  
Washington
Accession
Bangladesh 24 January 1986  
17 January 1986  
14 January 1986  
Moscow
Washington
London
Accession
Accession
Accession
Bahamas 30 August 1976 *
13 August 1976 *
11 August 1976  
Moscow
Washington
London
Succession
Succession
Succession
Azerbaijan 9 September 2015  
London
Accession
Armenia 28 March 2018  
Moscow
Accession
Antigua and Barbuda 26 January 1989  
26 December 1988 *
16 November 1988 *
London
Moscow
Washington
Succession
Succession
Succession
Algeria 27 January 1992  
Washington
Accession
Trinidad and Tobago 28 September 1967  
17 August 1967  
24 July 1967  
Washington
Moscow
London
France 25 September 1967  
25 September 1967  
25 September 1967  
Washington
Moscow
London
5 August 1970  
5 August 1970  
5 August 1970  
Washington
Moscow
London
Ratification
Ratification
Ratification
Pakistan 12 September 1967  
12 September 1967  
12 September 1967  
Washington
Moscow
London
8 April 1968  
8 April 1968  
8 April 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Peru 30 June 1967  
Washington
21 March 1979  
1 March 1979  
28 February 1979  
Washington
London
Moscow
Ratification
Ratification
Ratification
Jamaica 29 June 1967  
29 June 1967  
29 June 1967  
Washington
Moscow
London
21 August 1970  
10 August 1970  
6 August 1970  
Moscow
London
Washington
Ratification
Ratification
Ratification
Ecuador 7 June 1967  
16 May 1967  
27 January 1967  
Moscow
London
Washington
7 March 1969  
Washington
Ratification
San Marino 6 June 1967  
24 April 1967  
21 April 1967  
Moscow
London
Washington
3 February 1969  
21 November 1968  
29 October 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Gambia 2 June 1967  
London
Myanmar 22 May 1967  
22 May 1967  
22 May 1967  
Washington
Moscow
London
18 March 1970  
18 March 1970  
18 March 1970  
Washington
Moscow
London
Ratification
Ratification
Ratification
Sierra Leone 16 May 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
25 October 1967  
14 July 1967  
13 July 1967  
London
Washington
Moscow
Ratification
Ratification
Ratification
Democratic Republic of the Congo 4 May 1967  
29 April 1967  
27 January 1967  
London
Moscow
Washington
Malaysia 3 May 1967  
21 February 1967  
20 February 1967  
Moscow
London
Washington
Philippines 29 April 1967  
27 January 1967  
27 January 1967  
Moscow
Washington
London
Argentina 18 April 1967  
27 January 1967  
Moscow
Washington
26 March 1969  
26 March 1969  
Washington
Moscow
Ratification
Ratification
Holy See 5 April 1967  
London
Sri Lanka 10 March 1967  
London
18 November 1986  
18 November 1986  
18 November 1986  
Washington
Moscow
London
Ratification
Ratification
Ratification
Iraq 9 March 1967  
27 February 1967  
27 February 1967  
Moscow
Washington
London
23 September 1969  
4 December 1968  
London
Moscow
Ratification
Ratification
India 3 March 1967  
3 March 1967  
3 March 1967  
Washington
Moscow
London
18 January 1982  
18 January 1982  
18 January 1982  
Washington
Moscow
London
Ratification
Ratification
Ratification
Burkina Faso 3 March 1967  
Washington
18 June 1968  
Washington
Ratification
Ghana 3 March 1967  
15 February 1967  
27 January 1967  
London
Moscow
Washington
South Africa 1 March 1967  
Washington
14 November 1968  
8 October 1968  
30 September 1968  
Moscow
London
Washington
Ratification
Ratification
Ratification
Lebanon 23 February 1967  
23 February 1967  
23 February 1967  
Washington
Moscow
London
30 June 1969  
31 March 1969  
31 March 1969  
Washington
Moscow
London
Ratification
Ratification
Ratification
Austria 20 February 1967  
20 February 1967  
20 February 1967  
Washington
Moscow
London
26 February 1968  
26 February 1968  
26 February 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Chile 20 February 1967  
3 February 1967  
27 January 1967  
Moscow
London
Washington
8 October 1981  
Washington
Ratification
Cyprus 16 February 1967  
15 February 1967  
27 January 1967  
London
Moscow
Washington
20 September 1972  
5 July 1972  
5 July 1972  
Moscow
Washington
London
Ratification
Ratification
Ratification
Tunisia 15 February 1967  
27 January 1967  
27 January 1967  
Moscow
Washington
London
17 April 1968  
4 April 1968  
28 March 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Indonesia 14 February 1967  
30 January 1967  
27 January 1967  
London
Moscow
Washington
25 June 2002  
London
Ratification
Nicaragua 13 February 1967  
27 January 1967  
London
Washington
14 August 2017  
10 August 2017  
30 June 2017  
London
Moscow
Washington
Ratification
Ratification
Ratification
Netherlands 10 February 1967  
10 February 1967  
10 February 1967  
Washington
Moscow
London
10 October 1969 *
10 October 1969 *
10 October 1969  
Washington
Moscow
London
Ratification
Ratification
Ratification
Ukraine 10 February 1967  
Moscow
31 October 1967  
Moscow
Ratification
Ethiopia 10 February 1967  
27 January 1967  
27 January 1967  
Moscow
Washington
London
Belarus 10 February 1967  
Moscow
31 October 1967  
Moscow
Ratification
Nepal 6 February 1967  
3 February 1967  
3 February 1967  
London
Washington
Moscow
22 November 1967  
16 October 1967  
10 October 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
Norway 3 February 1967  
3 February 1967  
3 February 1967  
Washington
Moscow
London
1 July 1969  
1 July 1969  
1 July 1969  
Washington
Moscow
London
Ratification
Ratification
Ratification
Guyana 3 February 1967  
Washington
Somalia 2 February 1967  
Washington
Jordan 2 February 1967  
Washington
Brazil 2 February 1967  
2 February 1967  
30 January 1967  
Washington
London
Moscow
5 March 1969 *
5 March 1969 *
5 March 1969 *
Washington
Moscow
London
Ratification
Ratification
Ratification
Belgium 2 February 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
31 March 1973  
31 March 1973  
30 March 1973  
Moscow
London
Washington
Ratification
Ratification
Ratification
Lao People's Democratic Republic 2 February 1967  
30 January 1967  
27 January 1967  
Moscow
London
Washington
15 January 1973  
29 November 1972  
27 November 1972  
London
Washington
Moscow
Ratification
Ratification
Ratification
Niger 1 February 1967  
Washington
3 May 1967  
17 April 1967  
Washington
London
Ratification
Ratification
Luxembourg 31 January 1967  
27 January 1967  
27 January 1967  
London
Washington
Moscow
17 January 2006  
17 January 2006  
17 January 2006  
Washington
Moscow
London
Ratification
Ratification
Ratification
Uruguay 30 January 1967  
27 January 1967  
Moscow
Washington
31 August 1970  
Washington
Ratification
Switzerland 30 January 1967  
27 January 1967  
27 January 1967  
Moscow
Washington
London
18 December 1969  
18 December 1969  
18 December 1969  
Washington
Moscow
London
Ratification
Ratification
Ratification
Afghanistan 30 January 1967  
27 January 1967  
Moscow
Washington
21 March 1988  
17 March 1988  
17 March 1988  
Washington
Moscow
London
Ratification
Ratification
Ratification
Venezuela (Bolivarian Republic of) 27 January 1967  
Washington
3 March 1970  
Washington
Ratification
United States of America 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
10 October 1967  
10 October 1967  
10 October 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
United Kingdom of Great Britain and Northern Ireland 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
10 October 1967 *
10 October 1967 *
10 October 1967 *
Washington
Moscow
London
Ratification
Ratification
Ratification
Turkey 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
27 March 1968  
27 March 1968  
27 March 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Togo 27 January 1967  
Washington
26 June 1989  
Washington
Ratification
Thailand 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
10 September 1968  
9 September 1968  
5 September 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Sweden 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
11 October 1967  
11 October 1967  
11 October 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
Rwanda 27 January 1967  
Washington
Russian Federation 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
10 October 1967 *
10 October 1967  
10 October 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
Romania 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
9 April 1968  
9 April 1968  
9 April 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Republic of Korea 27 January 1967 *
Washington
13 October 1967 *
Washington
Ratification
Poland 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
30 January 1968  
30 January 1968  
30 January 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Panama 27 January 1967  
Washington
New Zealand 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
31 May 1968  
31 May 1968  
31 May 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Mexico 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
31 January 1968  
31 January 1968  
31 January 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Lesotho 27 January 1967  
Washington
Japan 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
10 October 1967  
10 October 1967  
10 October 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
Italy 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
4 May 1972  
4 May 1972  
4 May 1972  
Washington
Moscow
London
Ratification
Ratification
Ratification
Israel 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
4 April 1977  
1 March 1977  
18 February 1977  
Moscow
London
Washington
Ratification
Ratification
Ratification
Ireland 27 January 1967  
27 January 1967  
Washington
London
19 July 1968  
17 July 1968  
London
Washington
Ratification
Ratification
Iceland 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
5 February 1968  
5 February 1968  
5 February 1968  
Washington
Moscow
London
Ratification
Ratification
Ratification
Hungary 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
26 June 1967  
26 June 1967  
26 June 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
Honduras 27 January 1967  
Washington
Haiti 27 January 1967  
Washington
Greece 27 January 1967  
Washington
19 January 1971  
London
Ratification
Germany 27 January 1967  
27 January 1967 *
27 January 1967  
Washington
Moscow
London
10 February 1971 *
10 February 1971 *
Washington
London
Ratification
Ratification
Finland 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
12 July 1967  
12 July 1967  
12 July 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
El Salvador 27 January 1967  
Washington
15 January 1969  
Washington
Ratification
Egypt 27 January 1967  
27 January 1967  
Washington
Moscow
23 January 1968  
10 October 1967  
Moscow
Washington
Ratification
Ratification
Dominican Republic 27 January 1967  
Washington
21 November 1968  
Washington
Ratification
Denmark 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
10 October 1967  
10 October 1967  
10 October 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
Colombia 27 January 1967  
Washington
Central African Republic 27 January 1967  
Washington
Canada 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
10 October 1967  
10 October 1967  
10 October 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
Cameroon 27 January 1967  
Washington
Burundi 27 January 1967  
Washington
Bulgaria 27 January 1967  
27 January 1967  
27 January 1967  
Washington
Moscow
London
19 April 1967  
11 April 1967  
28 March 1967  
London
Washington
Moscow
Ratification
Ratification
Ratification
Botswana 27 January 1967  
Washington
Bolivia (Plurinational State of) 27 January 1967  
Washington
Australia 27 January 1967  
Washington
10 October 1967  
10 October 1967  
10 October 1967  
Washington
Moscow
London
Ratification
Ratification
Ratification
Serbia 27 January 1967 *
27 January 1967 *
Moscow
London
Montenegro 27 January 1967 *
27 January 1967 *
Moscow
London
Mongolia 27 January 1967  
Moscow
10 October 1967  
Moscow
Ratification
Iran (Islamic Republic of) 27 January 1967  
London

* 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: 89
Number of States Parties: 109