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
Afghanistan 27 January 1967  
30 January 1967  
Washington
Moscow
17 March 1988  
17 March 1988  
21 March 1988  
London
Moscow
Washington
Ratification
Ratification
Ratification
Algeria 27 January 1992  
Washington
Accession
Antigua and Barbuda 16 November 1988 *
26 December 1988 *
26 January 1989  
Washington
Moscow
London
Succession
Succession
Succession
Argentina 27 January 1967  
18 April 1967  
Washington
Moscow
26 March 1969  
26 March 1969  
Moscow
Washington
Ratification
Ratification
Australia 27 January 1967  
Washington
10 October 1967  
10 October 1967  
10 October 1967  
London
Moscow
Washington
Ratification
Ratification
Ratification
Austria 20 February 1967  
20 February 1967  
20 February 1967  
London
Moscow
Washington
26 February 1968  
26 February 1968  
26 February 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Bahamas 11 August 1976  
13 August 1976 *
30 August 1976 *
London
Washington
Moscow
Succession
Succession
Succession
Bangladesh 14 January 1986  
17 January 1986  
24 January 1986  
London
Washington
Moscow
Accession
Accession
Accession
Barbados 12 September 1968  
Washington
Accession
Belarus 10 February 1967  
Moscow
31 October 1967  
Moscow
Ratification
Belgium 27 January 1967  
27 January 1967  
2 February 1967  
London
Moscow
Washington
30 March 1973  
31 March 1973  
31 March 1973  
Washington
London
Moscow
Ratification
Ratification
Ratification
Benin 19 June 1986  
2 July 1986  
7 July 1986  
Moscow
London
Washington
Accession
Accession
Accession
Bolivia (Plurinational State of) 27 January 1967  
Washington
Botswana 27 January 1967  
Washington
Brazil 30 January 1967  
2 February 1967  
2 February 1967  
Moscow
London
Washington
5 March 1969 *
5 March 1969 *
5 March 1969 *
London
Moscow
Washington
Ratification
Ratification
Ratification
Bulgaria 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
28 March 1967  
11 April 1967  
19 April 1967  
Moscow
Washington
London
Ratification
Ratification
Ratification
Burkina Faso 3 March 1967  
Washington
18 June 1968  
Washington
Ratification
Burundi 27 January 1967  
Washington
Cameroon 27 January 1967  
Washington
Canada 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
10 October 1967  
10 October 1967  
10 October 1967  
London
Moscow
Washington
Ratification
Ratification
Ratification
Central African Republic 27 January 1967  
Washington
Chile 27 January 1967  
3 February 1967  
20 February 1967  
Washington
London
Moscow
8 October 1981  
Washington
Ratification
China 30 December 1983 *
6 January 1984 *
12 January 1984 *
Washington
Moscow
London
Accession
Accession
Accession
Colombia 27 January 1967  
Washington
Cuba 3 June 1977 *
Moscow
Accession
Cyprus 27 January 1967  
15 February 1967  
16 February 1967  
Washington
Moscow
London
5 July 1972  
5 July 1972  
20 September 1972  
London
Washington
Moscow
Ratification
Ratification
Ratification
Czech Republic 1 January 1993 *
1 January 1993 *
29 September 1993 *
Moscow
Washington
London
Succession
Succession
Succession
Democratic People's Republic of Korea 5 March 2009  
Moscow
Accession
Democratic Republic of the Congo 27 January 1967  
29 April 1967  
4 May 1967  
Washington
Moscow
London
Denmark 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
10 October 1967  
10 October 1967  
10 October 1967  
London
Moscow
Washington
Ratification
Ratification
Ratification
Dominican Republic 27 January 1967  
Washington
21 November 1968  
Washington
Ratification
Ecuador 27 January 1967  
16 May 1967  
7 June 1967  
Washington
London
Moscow
7 March 1969  
Washington
Ratification
Egypt 27 January 1967  
27 January 1967  
Moscow
Washington
10 October 1967  
23 January 1968  
Washington
Moscow
Ratification
Ratification
El Salvador 27 January 1967  
Washington
15 January 1969  
Washington
Ratification
Equatorial Guinea 16 January 1989  
Moscow
Accession
Estonia 19 April 2010  
Washington
Accession
Ethiopia 27 January 1967  
27 January 1967  
10 February 1967  
London
Washington
Moscow
Fiji 18 July 1972 *
14 August 1972  
29 August 1972 *
Washington
London
Moscow
Succession
Succession
Succession
Finland 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
12 July 1967  
12 July 1967  
12 July 1967  
London
Moscow
Washington
Ratification
Ratification
Ratification
France 25 September 1967  
25 September 1967  
25 September 1967  
London
Moscow
Washington
5 August 1970  
5 August 1970  
5 August 1970  
London
Moscow
Washington
Ratification
Ratification
Ratification
Gambia 2 June 1967  
London
Germany 27 January 1967  
27 January 1967 *
27 January 1967  
London
Moscow
Washington
10 February 1971 *
10 February 1971 *
London
Washington
Ratification
Ratification
Ghana 27 January 1967  
15 February 1967  
3 March 1967  
Washington
Moscow
London
Greece 27 January 1967  
Washington
19 January 1971  
London
Ratification
Guinea-Bissau 20 August 1976  
Moscow
Accession
Guyana 3 February 1967  
Washington
Haiti 27 January 1967  
Washington
Holy See 5 April 1967  
London
Honduras 27 January 1967  
Washington
Hungary 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
26 June 1967  
26 June 1967  
26 June 1967  
London
Moscow
Washington
Ratification
Ratification
Ratification
Iceland 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
5 February 1968  
5 February 1968  
5 February 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
India 3 March 1967  
3 March 1967  
3 March 1967  
London
Moscow
Washington
18 January 1982  
18 January 1982  
18 January 1982  
London
Moscow
Washington
Ratification
Ratification
Ratification
Indonesia 27 January 1967  
30 January 1967  
14 February 1967  
Washington
Moscow
London
Iran (Islamic Republic of) 27 January 1967  
London
Iraq 27 February 1967  
27 February 1967  
9 March 1967  
London
Washington
Moscow
4 December 1968  
23 September 1969  
Moscow
London
Ratification
Ratification
Ireland 27 January 1967  
27 January 1967  
London
Washington
17 July 1968  
19 July 1968  
Washington
London
Ratification
Ratification
Israel 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
18 February 1977  
1 March 1977  
4 April 1977  
Washington
London
Moscow
Ratification
Ratification
Ratification
Italy 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
4 May 1972  
4 May 1972  
4 May 1972  
London
Moscow
Washington
Ratification
Ratification
Ratification
Jamaica 29 June 1967  
29 June 1967  
29 June 1967  
London
Moscow
Washington
6 August 1970  
10 August 1970  
21 August 1970  
Washington
London
Moscow
Ratification
Ratification
Ratification
Japan 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
10 October 1967  
10 October 1967  
10 October 1967  
London
Moscow
Washington
Ratification
Ratification
Ratification
Jordan 2 February 1967  
Washington
Kazakhstan 11 June 1998  
Moscow
Accession
Kenya 19 January 1984  
London
Accession
Kuwait 7 June 1972 *
20 June 1972  
4 July 1972 *
Washington
London
Moscow
Accession
Accession
Accession
Lao People's Democratic Republic 27 January 1967  
30 January 1967  
2 February 1967  
Washington
London
Moscow
27 November 1972  
29 November 1972  
15 January 1973  
Moscow
Washington
London
Ratification
Ratification
Ratification
Lebanon 23 February 1967  
23 February 1967  
23 February 1967  
London
Moscow
Washington
31 March 1969  
31 March 1969  
30 June 1969  
London
Moscow
Washington
Ratification
Ratification
Ratification
Lesotho 27 January 1967  
Washington
Libya 3 July 1968  
Washington
Accession
Lithuania 25 March 2013  
Washington
Accession
Luxembourg 27 January 1967  
27 January 1967  
31 January 1967  
Moscow
Washington
London
17 January 2006  
17 January 2006  
17 January 2006  
London
Moscow
Washington
Ratification
Ratification
Ratification
Madagascar 22 August 1968 *
Washington
Accession
Malaysia 20 February 1967  
21 February 1967  
3 May 1967  
Washington
London
Moscow
Mali 11 June 1968  
Moscow
Accession
Mauritius 7 April 1969 *
21 April 1969  
13 May 1969 *
Washington
London
Moscow
Succession
Succession
Succession
Mexico 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
31 January 1968  
31 January 1968  
31 January 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Mongolia 27 January 1967  
Moscow
10 October 1967  
Moscow
Ratification
Montenegro 27 January 1967 *
Moscow
Morocco 21 December 1967  
21 December 1967  
22 December 1967  
London
Moscow
Washington
Accession
Accession
Accession
Myanmar 22 May 1967  
22 May 1967  
22 May 1967  
London
Moscow
Washington
18 March 1970  
18 March 1970  
18 March 1970  
London
Moscow
Washington
Ratification
Ratification
Ratification
Nepal 3 February 1967  
3 February 1967  
6 February 1967  
Moscow
Washington
London
10 October 1967  
16 October 1967  
22 November 1967  
London
Moscow
Washington
Ratification
Ratification
Ratification
Netherlands 10 February 1967  
10 February 1967  
10 February 1967  
London
Moscow
Washington
10 October 1969  
10 October 1969 *
10 October 1969 *
London
Moscow
Washington
Ratification
Ratification
Ratification
New Zealand 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
31 May 1968  
31 May 1968  
31 May 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Nicaragua 27 January 1967  
13 February 1967  
Washington
London
Niger 1 February 1967  
Washington
17 April 1967  
3 May 1967  
London
Washington
Ratification
Ratification
Nigeria 14 November 1967  
London
Accession
Norway 3 February 1967  
3 February 1967  
3 February 1967  
London
Moscow
Washington
1 July 1969  
1 July 1969  
1 July 1969  
London
Moscow
Washington
Ratification
Ratification
Ratification
Pakistan 12 September 1967  
12 September 1967  
12 September 1967  
London
Moscow
Washington
8 April 1968  
8 April 1968  
8 April 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Panama 27 January 1967  
Washington
Papua New Guinea 27 October 1980  
13 November 1980 *
16 March 1981 *
London
Moscow
Washington
Succession
Succession
Succession
Peru 30 June 1967  
Washington
28 February 1979  
1 March 1979  
21 March 1979  
Moscow
London
Washington
Ratification
Ratification
Ratification
Philippines 27 January 1967  
27 January 1967  
29 April 1967  
London
Washington
Moscow
Poland 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
30 January 1968  
30 January 1968  
30 January 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Portugal 29 May 1996 *
London
Accession
Qatar 13 March 2012  
Washington
Accession
Republic of Korea 27 January 1967 *
Washington
13 October 1967 *
Washington
Ratification
Romania 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
9 April 1968  
9 April 1968  
9 April 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Russian Federation 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
10 October 1967  
10 October 1967  
10 October 1967 *
London
Moscow
Washington
Ratification
Ratification
Ratification
Rwanda 27 January 1967  
Washington
Saint Vincent and the Grenadines 13 May 1999  
London
Succession
San Marino 21 April 1967  
24 April 1967  
6 June 1967  
Washington
London
Moscow
29 October 1968  
21 November 1968  
3 February 1969  
Washington
Moscow
London
Ratification
Ratification
Ratification
Saudi Arabia 17 December 1976  
Washington
Accession
Serbia 27 January 1967 *
27 January 1967 *
London
Moscow
Seychelles 5 January 1978  
London
Accession
Sierra Leone 27 January 1967  
27 January 1967  
16 May 1967  
London
Moscow
Washington
13 July 1967  
14 July 1967  
25 October 1967  
Moscow
Washington
London
Ratification
Ratification
Ratification
Singapore 10 September 1976  
10 September 1976  
10 September 1976  
London
Moscow
Washington
Accession
Accession
Accession
Slovakia 1 January 1993 *
1 January 1993 *
17 May 1993 *
Moscow
Washington
London
Succession
Succession
Succession
Somalia 2 February 1967  
Washington
South Africa 1 March 1967  
Washington
30 September 1968  
8 October 1968  
14 November 1968  
Washington
London
Moscow
Ratification
Ratification
Ratification
Spain 27 November 1968  
7 December 1968  
London
Washington
Accession
Accession
Sri Lanka 10 March 1967  
London
18 November 1986  
18 November 1986  
18 November 1986  
London
Moscow
Washington
Ratification
Ratification
Ratification
Sweden 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
11 October 1967  
11 October 1967  
11 October 1967  
London
Moscow
Washington
Ratification
Ratification
Ratification
Switzerland 27 January 1967  
27 January 1967  
30 January 1967  
London
Washington
Moscow
18 December 1969  
18 December 1969  
18 December 1969  
London
Moscow
Washington
Ratification
Ratification
Ratification
Syrian Arab Republic 19 November 1968 *
Moscow
Accession
Thailand 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
5 September 1968  
9 September 1968  
10 September 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Togo 27 January 1967  
Washington
26 June 1989  
Washington
Ratification
Tonga 22 June 1971 *
7 July 1971  
7 July 1971 *
Moscow
London
Washington
Succession
Succession
Succession
Trinidad and Tobago 24 July 1967  
17 August 1967  
28 September 1967  
London
Moscow
Washington
Tunisia 27 January 1967  
27 January 1967  
15 February 1967  
London
Washington
Moscow
28 March 1968  
4 April 1968  
17 April 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Turkey 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
27 March 1968  
27 March 1968  
27 March 1968  
London
Moscow
Washington
Ratification
Ratification
Ratification
Uganda 24 April 1968  
Washington
Accession
Ukraine 10 February 1967  
Moscow
31 October 1967  
Moscow
Ratification
United Arab Emirates 4 October 2000  
Washington
Accession
United Kingdom of Great Britain and Northern Ireland 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
10 October 1967 *
10 October 1967 *
10 October 1967 *
London
Moscow
Washington
Ratification
Ratification
Ratification
United States of America 27 January 1967  
27 January 1967  
27 January 1967  
London
Moscow
Washington
10 October 1967  
10 October 1967  
10 October 1967  
London
Moscow
Washington
Ratification
Ratification
Ratification
Uruguay 27 January 1967  
30 January 1967  
Washington
Moscow
31 August 1970  
Washington
Ratification
Venezuela (Bolivarian Republic of) 27 January 1967  
Washington
3 March 1970  
Washington
Ratification
Viet Nam 20 June 1980  
Moscow
Accession
Yemen 1 June 1979  
Moscow
Accession
Zambia 20 August 1973  
21 August 1973  
28 August 1973  
Washington
Moscow
London
Accession
Accession
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: 89
Number of States Parties: 102