Vanuatu has deposited its instrument of ratification of the Comprehensive Nuclear-Test-Ban Treaty (CTBT) with the United Nations Secretary-General on 16 September 2005, bringing the total number of ratifications to 125. The number of ratifying States in the South East Asia, the Pacific and the Far East geographical region now stands at 16.
The CTBT bans all nuclear weapons test explosions. Drafted at the Conference on Disarmament in Geneva and adopted by the General Assembly on 10 September 1996, the Treaty was opened for signature on 24 September 1996 at the United Nations headquarters in New York.
To enter into force, the CTBT must be signed and ratified by the 44 States listed in Annex 2 to the Treaty. These States formally participated in the work of the 1996 session of the Conference on Disarmament and possessed nuclear power or research reactors at that time. To date, 33 of the Annex 2 States have ratified the Treaty.
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A total 176 States have so far signed the Treaty. The 125 States that have deposited their instruments of ratification of the CTBT are Afghanistan, Albania, Algeria*, Argentina*, Australia*, Austria*, Azerbaijan, Bahrain, Bangladesh*, Belarus, Belgium*, Belize, Benin, Bolivia, Botswana, Brazil*, Bulgaria*, Burkina Faso, Cambodia, Canada*, Chile*, Cook Islands, Costa Rica, Cote d'Ivoire, Croatia, Cyprus, Czech Republic, Democratic Republic of the Congo*, Denmark, Djibouti, Ecuador, El Salvador, Eritrea, Estonia, Fiji, Finland*, France*, Gabon, Georgia, Germany*, Greece, Grenada, Guyana, Holy See, Honduras, Hungary*, Iceland, Ireland, Italy*, Jamaica, Japan*, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan, Latvia, Lao People's Democratic Republic, Lesotho, Libyan Arab Jamahiriya, Liechtenstein, Lithuania, Luxembourg, Madagascar, Maldives, Mali, Malta, Mauritania, Mexico*, Micronesia (Federated States of), Monaco, Mongolia, Morocco, Namibia, Nauru, Netherlands*, New Zealand, Nicaragua, Niger, Nigeria, Norway*, Oman, Panama, Paraguay, Peru*, Philippines, Poland*, Portugal, Qatar, Republic of Korea*, Romania*, Russian Federation*, Rwanda, Saint Kitts and Nevis, Saint Lucia, Samoa, San Marino, Senegal, Serbia and Montenegro, Seychelles, Sierra Leone, Singapore, Slovakia*, Slovenia, South Africa*, Spain*, Sudan, Sweden*, Switzerland*, Tajikistan, the former Yugoslav Republic of Macedonia, Togo, Tunisia, Turkey*, Turkmenistan, Uganda, Ukraine*, United Arab Emirates, United Kingdom of Great Britain and Northern Ireland*, United Republic of Tanzania, Uruguay, Uzbekistan, Vanuatu and Venezuela.
* States whose ratification is required for entry into force.
