Country Profiles
A- Afghanistan
- Albania
- Algeria
- Andorra
- Angola
- Antigua and Barbuda
- Argentina
- Armenia
- Australia
- Austria
- Azerbaijan
B- Bahamas
- Bahrain
- Bangladesh
- Barbados
- Belarus
- Belgium
- Belize
- Benin
- Bhutan
- Bolivia
- Bosnia and Herzegovina
- Botswana
- Brazil
- Brunei Darussalam
- Bulgaria
- Burkina Faso
- Burundi
C- Cabo Verde
- Cambodia
- Cameroon
- Canada
- Côte d'Ivoire
- Central African Republic
- Chad
- Chile
- China
- Colombia
- Comoros
- Congo
- Cook Islands
- Costa Rica
- Croatia
- Cuba
- Cyprus
- Czech Republic
D- Democratic People's Republic of Korea
- Democratic Republic of the Congo
- Denmark
- Djibouti
- Dominica
- Dominican Republic
E- Ecuador
- Egypt
- El Salvador
- Equatorial Guinea
- Eritrea
- Estonia
- Eswatini
- Ethiopia
F- Fiji
- Finland
- France
G- Gabon
- Gambia
- Georgia
- Germany
- Ghana
- Greece
- Grenada
- Guatemala
- Guinea
- Guinea-Bissau
- Guyana
H- Haiti
- Holy See
- Honduras
- Hungary
I- Iceland
- India
- Indonesia
- Iran (Islamic Republic of)
- Iraq
- Ireland
- Israel
- Italy
J- Jamaica
- Japan
- Jordan
K- Kazakhstan
- Kenya
- Kiribati
- Kuwait
- Kyrgyzstan
L- Lao People's Democratic Republic
- Latvia
- Lebanon
- Lesotho
- Liberia
- Libya
- Liechtenstein
- Lithuania
- Luxembourg
M- Madagascar
- Malawi
- Malaysia
- Maldives
- Mali
- Malta
- Marshall Islands
- Mauritania
- Mauritius
- Mexico
- Micronesia, Federated States of
- Monaco
- Mongolia
- Montenegro
- Morocco
- Mozambique
- Myanmar
N- Namibia
- Nauru
- Nepal
- Netherlands
- New Zealand
- Nicaragua
- Niger
- Nigeria
- Niue
- North Macedonia
- Norway
O- Oman
P- Pakistan
- Palau
- Panama
- Papua New Guinea
- Paraguay
- Peru
- Philippines
- Poland
- Portugal
Q- Qatar
R- Republic of Korea
- Republic of Moldova
- Romania
- Russian Federation
- Rwanda
S- Saint Kitts and Nevis
- Saint Lucia
- Saint Vincent and the Grenadines
- Samoa
- San Marino
- Sao Tome and Principe
- Saudi Arabia
- Senegal
- Serbia
- Seychelles
- Sierra Leone
- Singapore
- Slovakia
- Slovenia
- Solomon Islands
- Somalia
- South Africa
- South Sudan
- Spain
- Sri Lanka
- Sudan
- Suriname
- Sweden
- Switzerland
- Syrian Arab Republic
T- Tajikistan
- Thailand
- Timor-Leste
- Togo
- Tonga
- Trinidad & Tobago
- Tunisia
- Turkey
- Turkmenistan
- Tuvalu
U- Uganda
- Ukraine
- United Arab Emirates
- United Kingdom of Great Britain and Northern Ireland
- United Republic of Tanzania
- United States of America
- Uruguay
- Uzbekistan
V- Vanuatu
- Venezuela (Bolivarian Republic of)
- Viet Nam
Y- Yemen
Z- Zambia
- Zimbabwe
Facility Agreement: In force (10 December 2007)
Hosted Advanced Training/National Data Centre Capacity Building Training, 11 to 22 May 2009 in Arusha.
Tanzania was the 173'th State to sign the CTBT and the 119'th to ratify it, see CTBTO press release.
Featured station: Radionuclide station RN64, Dar es Salaam