Status of CTBT Signatures and Ratification

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Status of CTBT Signatures and Ratification

Fact Sheet

Bureau of Arms Control, Verification and Compliance

April 9, 2012

Key Point: As of December 6, 183 nations have signed the Comprehensive Nuclear Test-Ban Treaty (CTBT), and 157 have ratified it. Of the 44 States whose deposit of instruments of ratification are specifically required by the CTBT for its entry into force, 41 have signed the Treaty and 36 have ratified it.

*Denotes status as an Annex 2 State. These 44 states must sign, ratify and deposit their instruments of ratification for the CTBT in order for the Treaty to enter into force.

**Denotes states that are not signatories or have not completed the ratification process.

STATES	SIGNATURE	RATIFICATION
Afghanistan	24-Sep-2003	24-Sep-2003
Albania	27-Sep-1996	23-Apr-2003
Algeria*	15-Oct-1996	11-Jul-2003
Andorra	24-Sep-1996	12-Jul-2006
Angola**	27-Sep-1996
Antigua and Barbuda	16-Apr-1997	11-Jan-2006
Argentina*	24-Sep-1996	04-Dec-1998
Armenia	01-Oct-1996	12-Jul-2006
Australia*	24-Sep-1996	09-Jul-1998
Austria*	24-Sep-1996	13-Mar-1998
Azerbaijan	28-Jul-1997	02-Feb-1999
Bahamas	04-Feb-2005	30-Nov-2007
Bahrain	24-Sep-1996	12-Apr-2004
Bangladesh*	24-Oct-1996	08-Mar-2000
Barbados	14-Jan-2008	14-Jan-2008
Belarus	24-Sep-1996	13-Sep-2000
Belgium*	24-Sep-1996	29-Jun-1999
Belize	14-Nov-2001	26-Mar-2004
Benin	27-Sep-1996	06-Mar-2001
Bhutan**
Bolivia	24-Sep-1996	04-Oct-1999
Bosnia and Herzegovina	24-Sep-1996	26-Oct-2006
Botswana	16-Sep-2002	28-Oct-2002
Brazil*	24-Sep-1996	24-Jul-1998
Brunei**	22-Jan-1997
Bulgaria*	24-Sep-1996	29-Sep-1999
Burkina Faso	27-Sep-1996	17-Apr-2002
Burma**	25-Nov-1996
Burundi	24-Sep-1996	24-Sep-2008
Cambodia	26-Sep-1996	10-Nov-2000
Cameroon	16-Nov-2001	06-Feb-2006
Canada*	24-Sep-1996	18-Dec-1998
Cape Verde	01-Oct-1996	01-Mar-2006
Côte d'Ivoire	25-Sep-1996	11-Mar-2003
Central African Republic	19-Dec-2001	26-May-2010
Chad**	08-Oct-1996
Chile*	24-Sep-1996	12-Jul-2000
China* **	24-Sep-1996
Colombia*	24-Sep-1996	29-Jan-2008
Comoros**	12-Dec-1996
Congo**	11-Feb-1997
Cook Islands	05-Dec-1997	06-Sep-2005
Costa Rica	24-Sep-1996	25-Sep-2001
Croatia	24-Sep-1996	02-Mar-2001
Cuba**
Cyprus	24-Sep-1996	18-Jul-2003
Czech Republic	12-Nov-1996	11-Sep-1997
Democratic Republic of Congo*	04-Oct-1996	28-Sep-2004
Denmark	24-Sep-1996	21-Dec-1998
Djibouti	21-Oct-1996	15-Jul-2005
Dominica**
Dominican Republic	03-Oct-1996	04-Sep-2007
Ecuador	24-Sep-1996	12-Nov-2001
Egypt* **	14-Oct-1996
El Salvador	24-Sep-1996	11-Sep-1998
Equatorial Guinea**	09-Oct-1996
Eritrea	11-Nov-2003	11-Nov-2003
Estonia	20-Nov-1996	13-Aug-1999
Ethiopia	25-Sep-1996	08-Aug-2006
Fiji	24-Sep-1996	10-Oct-1996
Finland*	24-Sep-1996	15-Jan-1999
France*	24-Sep-1996	06-Apr-1998
Gabon	07-Oct-1996	20-Sep-2000
Gambia**	09-Apr-2003
Georgia	24-Sep-1996	27-Sep-2002
Germany*	24-Sep-1996	20-Aug-1998
Ghana	03-Oct-1996	14-Jun-2011
Greece	24-Sep-1996	21-Apr-1999
Grenada	10-Oct-1996	19-Aug-1998
Guatemala**	20-Sep-1999
Guinea	03-Oct-1996	19-Sep-2011
Guinea-Bissau**	11-Apr-1997
Guyana	07-Sep-2000	07-Mar-2001
Haiti	24-Sep-1996	01-Dec-2005
Holy See	24-Sep-1996	18-Jul-2001
Honduras	25-Sep-1996	30-Oct-2003
Hungary*	25-Sep-1996	13-Jul-1999
Iceland	24-Sep-1996	26-Jun-2000
India* **
Indonesia*	24-Sep-1996	6-Feb-2012
Iran* **	24-Sep-1996
Iraq**	19-Aug-2008
Ireland	24-Sep-1996	15-Jul-1999
Israel* **	25-Sep-1996
Italy*	24-Sep-1996	01-Feb-1999
Jamaica	11-Nov-1996	13-Nov-2001
Japan*	24-Sep-1996	08-Jul-1997
Jordan	26-Sep-1996	25-Aug-1998
Kazakhstan	30-Sep-1996	14-May-2002
Kenya	14-Nov-1996	30-Nov-2000
Kiribati	07-Sep-2000	07-Sep-2000
Kuwait	24-Sep-1996	06-May-2003
Kyrgyzstan	08-Oct-1996	02-Oct-2003
Laos	30-Jul-1997	05-Oct-2000
Latvia	24-Sep-1996	20-Nov-2001
Lebanon	16-Sep-2005	21-Nov-2008
Lesotho	30-Sep-1996	14-Sep-1999
Liberia	01-Oct-1996	17-Aug-2009
Libya	13-Nov-2001	06-Jan-2004
Liechtenstein	27-Sep-1996	21-Sep-2004
Lithuania	07-Oct-1996	07-Feb-2000
Luxembourg	24-Sep-1996	26-May-1999
Madagascar	09-Oct-1996	15-Sep-2005
Malawi	09-Oct-1996	21-Nov-2008
Malaysia	23-Jul-1998	17-Jan-2008
Maldives	01-Oct-1997	07-Sep-2000
Mali	18-Feb-1997	04-Aug-1999
Malta	24-Sep-1996	23-Jul-2001
Marshall Islands	24-Sep-1996	28-Oct-2009
Mauritania	24-Sep-1996	30-Apr-2003
Mauritius**
Mexico*	24-Sep-1996	05-Oct-1999
Micronesia	24-Sep-1996	25-Jul-1997
Moldova	24-Sep-1997	16-Jan-2007
Monaco	01-Oct-1996	18-Dec-1998
Mongolia	01-Oct-1996	08-Aug-1997
Montenegro	23-Oct-2006	23-Oct-2006
Morocco	24-Sep-1996	17-Apr-2000
Mozambique	26-Sep-1996	04-Nov-2008
Namibia	24-Sep-1996	29-Jun-2001
Nauru	08-Sep-2000	12-Nov-2001
Nepal**	08-Oct-1996
Netherlands*	24-Sep-1996	23-Mar-1999
New Zealand	27-Sep-1996	19-Mar-1999
Nicaragua	24-Sep-1996	05-Dec-2000
Niger	03-Oct-1996	09-Sep-2002
Nigeria	08-Sep-2000	27-Sep-2001
Niue**	09-Apr-2012
Norway*	24-Sep-1996	15-Jul-1999
North Korea* **
Oman	23-Sep-1999	13-Jun-2003
Pakistan* **
Palau	12-Aug-2003	01-Aug-2007
Panama	24-Sep-1996	23-Mar-1999
Papua New Guinea**	25-Sep-1996
Paraguay	25-Sep-1996	04-Oct-2001
Peru*	25-Sep-1996	12-Nov-1997
Philippines	24-Sep-1996	23-Feb-2001
Poland*	24-Sep-1996	25-May-1999
Portugal	24-Sep-1996	26-Jun-2000
Qatar	24-Sep-1996	03-Mar-1997
Romania*	24-Sep-1996	05-Oct-1999
Russian Federation*	24-Sep-1996	30-Jun-2000
Rwanda	30-Nov-2004	30-Nov-2004
Saint Kitts and Nevis	23-Mar-2004	27-Apr-2005
Saint Lucia	04-Oct-1996	05-Apr-2001
Saint Vincent	02-Jul-2009	23-Sep-2009
Samoa	09-Oct-1996	27-Sep-2002
San Marino	07-Oct-1996	12-Mar-2002
Sao Tome and Principe	26-Sep-1996
Saudi Arabia**
Senegal	26-Sep-1996	09-Jun-1999
Serbia	08-Jun-2001	19-May-2004
Seychelles	24-Sep-1996	13-Apr-2004
Sierra Leone	08-Sep-2000	17-Sep-2001
Singapore	14-Jan-1999	10-Nov-2001
Slovakia*	30-Sep-1996	03-Mar-1998
Slovenia	24-Sep-1996	31-Aug-1999
Solomon Islands**	03-Oct-1996
Somalia**
South Africa*	24-Sep-1996	30-Mar-1999
South Korea*	24-Sep-1996	24-Sep-1999
Spain*	24-Sep-1996	31-Jul-1998
Sri Lanka**	24-Oct-1996
Sudan	10-Jun-2004	10-Jun-2004
Suriname	14-Jan-1997	07-Feb-2006
Swaziland**	24-Sep-1996
Sweden*	24-Sep-1996	02-Dec-1998
Switzerland*	24-Sep-1996	01-Oct-1999
Syrian Arab Republic**
Tajikistan	07-Oct-1996	10-Jun-1998
Thailand**	12-Nov-1996
Macedonia	29-Oct-1998	14-Mar-2000
Timor-Leste**	26-Sep-2008
Togo	02-Oct-1996	02-Jul-2004
Tonga**
Trinidad and Tobago	08-Oct-2009	26-May-2010
Tunisia	16-Oct-1996	23-Sep-2004
Turkey*	24-Sep-1996	16-Feb-2000
Turkmenistan	24-Sep-1996	20-Feb-1998
Tuvalu**
Uganda	07-Nov-1996	14-Mar-2001
Ukraine*	27-Sep-1996	23-Feb-2001
United Arab Emirates	25-Sep-1996	18-Sep-2000
United Kingdom*	24-Sep-1996	06-Apr-1998
Tanzania	30-Sep-2004	30-Sep-2004
United States of America* **	24-Sep-1996
Uruguay	24-Sep-1996	21-Sep-2001
Uzbekistan	03-Oct-1996	29-May-1997
Vanuatu	24-Sep-1996	16-Sep-2005
Venezuela	03-Oct-1996	13-May-2002
Viet Nam*	24-Sep-1996	10-Mar-2006
Yemen**	30-Sep-1996
Zambia	03-Dec-1996	23-Feb-2006
Zimbabwe**	13-Oct-1999