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Treaty on the Prohibition of the Emplacement of Nuclear Weapons and Other Weapons
of Mass Destruction on the Sea-Bed and the Ocean Floor and in the Subsoil thereof
PartiesTooltip Parties with a link have a reservation.
Party
Signature
RatificationTooltip S=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
11-02-1971
22-04-1971 (R)
18-05-1972
Antigua and Barbuda
16-11-1988 (Su)
10-11-1981
Argentina
03-09-1971
21-03-1983 (R)
21-03-1983
Australia
11-02-1971
23-01-1973 (R)
23-01-1973
Austria
11-02-1971
10-08-1972 (R)
10-08-1972
Bahamas
07-06-1989 (A)
07-06-1989
Belarus
03-03-1971
14-09-1971 (R)
18-05-1972
Belgium
11-02-1971
20-11-1972 (R)
20-11-1972
Benin
18-03-1971
19-06-1986 (R)
19-06-1986
Bolivia
11-02-1971
Bosnia and Herzegovina
15-08-1994 (Su)
06-03-1992
Botswana
11-02-1971
10-11-1972 (R)
10-11-1972
Brazil
03-09-1971
10-05-1988 (R)
10-05-1988
Bulgaria
11-02-1971
16-04-1971 (R)
18-05-1972
Burundi
11-02-1971
Cabo Verde
24-10-1979 (A)
24-10-1979
Cambodia
11-02-1971
Cameroon
11-11-1971
Canada
11-02-1971
17-05-1972 (R)
18-05-1972
Central African Republic
11-02-1971
09-07-1981 (R)
09-07-1981
China
28-02-1991 (A)
28-02-1991
Colombia
11-02-1971
Costa Rica
11-02-1971
Côte d'Ivoire
14-01-1972 (A)
18-05-1972
Croatia
08-06-1993 (Su)
08-10-1991
Cuba
06-03-1977 (A)
06-03-1977
Cyprus
11-02-1971
17-11-1971 (R)
18-05-1972
Czech Republic
05-04-1993 (Su)
01-01-1993
Czechoslovakia (<01-01-1993)
11-02-1971
11-01-1972 (R)
18-05-1972
Denmark
11-02-1971
15-06-1971 (R)
18-05-1972
Dominican Republic
11-02-1971
11-02-1972 (R)
18-05-1972
Equatorial Guinea
04-06-1971
Eswatini
11-02-1971
09-08-1971 (R)
18-05-1972
Ethiopia
11-02-1971
12-07-1977 (R)
12-07-1977
Finland
11-02-1971
08-06-1971 (R)
18-05-1972
Gambia, The
18-05-1971
Germany
08-06-1971
18-11-1975 (R)
18-11-1975
Ghana
11-02-1971
09-08-1972 (R)
09-08-1972
Greece
11-02-1971
28-05-1985 (R)
28-05-1985
Guatemala
11-02-1971
Guinea
11-02-1971
Guinea-Bissau
20-08-1976 (A)
20-08-1976
Honduras
11-02-1971
Hungary
11-02-1971
13-08-1971 (R)
18-05-1972
Iceland
11-02-1971
30-05-1972 (R)
30-05-1972
India
20-07-1973 (A)
20-07-1973
Iran
11-02-1971
26-08-1971 (R)
18-05-1972
Iraq
13-09-1972 (A)
13-09-1972
Ireland
11-02-1971
19-08-1971 (R)
18-05-1972
Italy
11-02-1971
03-09-1974 (R)
03-09-1974
Jamaica
11-10-1971
30-07-1986 (R)
30-07-1986
Japan
11-02-1971
21-06-1971 (R)
18-05-1972
Jordan
11-02-1971
17-08-1971 (R)
18-05-1972
Laos
11-02-1971
19-10-1971 (R)
18-05-1972
Latvia
24-06-1992 (A)
24-06-1992
Lebanon
11-02-1971
Lesotho
08-09-1971
03-04-1973 (R)
03-04-1973
Liberia
11-02-1971
Libya
06-07-1990 (A)
06-07-1990
Liechtenstein
30-05-1991 (A)
30-05-1991
Luxembourg
11-02-1971
11-11-1982 (R)
11-11-1982
Madagascar
14-09-1971
Malaysia
20-05-1971
21-06-1972 (R)
21-06-1972
Mali
11-02-1971
Malta
11-02-1971
04-05-1971 (R)
18-05-1972
Mauritius
11-02-1971
23-04-1971 (R)
18-05-1972
Mexico
23-03-1984 (A)
23-03-1984
Mongolia
11-02-1971
08-10-1971 (R)
18-05-1972
Montenegro
12-12-2006 (Su)
03-06-2006
Morocco
11-02-1971
26-07-1971 (R)
18-05-1972
Myanmar
11-02-1971
Nepal
11-02-1971
06-07-1971 (R)
18-05-1972
Netherlands, the Kingdom of the
11-02-1971
14-01-1976 (R)
14-01-1976
New Zealand
11-02-1971
24-02-1972 (R)
18-05-1972
Nicaragua
11-02-1971
07-02-1973 (R)
07-02-1973
Niger
11-02-1971
09-08-1971 (R)
18-05-1972
Norway
11-02-1971
28-06-1971 (R)
18-05-1972
Panama
11-02-1971
20-03-1974 (R)
20-03-1974
Paraguay
23-02-1971
Philippines
05-11-1993 (A)
05-11-1993
Poland
11-02-1971
15-11-1971 (R)
18-05-1972
Portugal
24-06-1975 (A)
24-06-1975
Qatar
12-11-1974 (A)
12-11-1974
Republic of Korea, the
11-02-1971
25-06-1987 (R)
25-06-1987
Republic of the Congo
23-10-1978 (A)
23-10-1978
Romania
11-02-1971
10-07-1972 (R)
10-07-1972
Russian Federation
11-02-1971
18-05-1972 (R)
18-05-1972
Rwanda
11-02-1971
20-05-1975 (R)
20-05-1975
São Tomé e Principe
24-08-1979 (A)
24-08-1979
Saudi Arabia
07-01-1972
23-06-1972 (R)
23-06-1972
Senegal
17-03-1971
Seychelles
29-06-1976 (A)
29-06-1976
Sierra Leone
11-02-1971
Singapore
05-05-1971
10-09-1976 (R)
10-09-1976
Slovakia
17-05-1993 (Su)
01-01-1993
Slovenia
07-04-1992 (Su)
25-06-1991
Solomon Islands
17-06-1981 (Su)
17-06-1981
South Africa
11-02-1971
14-11-1973 (R)
14-11-1973
Spain
15-07-1987 (A)
15-07-1987
Sudan
11-02-1971
Sweden
11-02-1971
28-04-1972 (R)
18-05-1972
Switzerland
11-02-1971
04-05-1976 (R)
04-05-1976
Tanzania
11-02-1971
Togo
02-04-1971
28-06-1971 (R)
18-05-1972
Tunisia
11-02-1971
22-10-1971 (R)
18-05-1972
Türkiye
25-02-1971
19-10-1972 (R)
19-10-1972
Ukraine
03-03-1971
03-09-1971 (R)
18-05-1971
United Kingdom
11-02-1971
18-05-1972 (R)
18-05-1972
United States of America
11-02-1971
18-05-1972 (R)
18-05-1972
Uruguay
11-02-1971
Vietnam
11-02-1971
20-06-1980 (R)
20-06-1980
Yemen
23-02-1971
01-06-1979 (R)
01-06-1979
Zambia
09-10-1972 (A)
09-10-1972
Extensions
United Kingdom
Extended to
Entry into force
Termination
Anguilla
18-05-1972
Bermuda
18-05-1972
British Virgin Islands
18-05-1972
Cayman Islands
18-05-1972
Falkland Islands
18-05-1972
Gibraltar
18-05-1972
Montserrat
18-05-1972
Pitcairn Islands
18-05-1972
Saint-Helena, Ascension and Tristan da Cunha
18-05-1972
South Georgia & South Sandwich Islands
18-05-1972
Turks and Caicos Islands
18-05-1972
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