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Positions on the treaty

On 7 July 2017, an overwhelming majority of the world’s nations voted to adopt the Treaty on the Prohibition of Nuclear Weapons – a landmark international agreement that outlaws the ultimate weapons of mass destruction and establishes a pathway to their elimination. This page summarizes government positions on the treaty.

+ Which nations were involved in negotiating the treaty?

According to official records, 135 nations participated in the negotiations:

Afghanistan, Algeria, Andorra, Angola, Antigua & Barbuda, Argentina, Armenia, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Belize, Benin, Bhutan, Bolivia, Botswana, Brazil, Brunei, Burkina Faso, Burundi, Cabo Verde, Cambodia, Cameroon, Chad, Chile, Colombia, Congo, Costa Rica, Côte d’Ivoire, Cuba, Cyprus, Djibouti, Dominican Republic, DRC (Congo), Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Ethiopia, Fiji, Gambia, Ghana, Grenada, Guatemala, Guinea, Guyana, Haiti, Holy See, Honduras, Indonesia, Iran, Iraq, Ireland, Jamaica, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Laos, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Macedonia, Madagascar, Malawi, Malaysia, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Moldova, Monaco, Mongolia, Morocco, Mozambique, Myanmar, Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, Nigeria, Oman, Palau, Palestine, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Qatar, Saint Kitts & Nevis, Saint Lucia, Saint Vincent & the Grenadines, Samoa, San Marino, São Tomé & Principe, Saudi Arabia, Senegal, Seychelles, Sierra Leone, Singapore, Solomon Islands, South Africa, Sri Lanka, Sudan, Suriname, Swaziland, Sweden, Switzerland, Syria, Tanzania, Thailand, Timor-Leste, Togo, Tonga, Trinidad & Tobago, Tunisia, Uganda, United Arab Emirates, Uruguay, Vanuatu, Venezuela, Vietnam, Yemen, Zambia, Zimbabwe.

In addition, several nations participated informally. Their officials were not accredited, but they did attend parts of the negotiations. According to ICAN’s records, these nations included:

Central African Republic, Comoros, Dominica, Gabon, Guinea-Bissau, Japan, Kyrgyzstan, Maldives, Mali, Niger, Somalia, South Sudan, Tajikistan, Uzbekistan.

+ Which nations voted in favour of adopting it?

The following 122 nations – comprising almost two-thirds of the total UN membership – voted in favour of adoption of the treaty on 7 July 2017 (only the Netherlands voted against the adoption and only Singapore abstained from voting):

Afghanistan, Algeria, Angola, Antigua & Barbuda, Argentina, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh, Belize, Benin, Bhutan, Bolivia, Botswana, Brazil, Brunei, Burkina Faso, Burundi, Cabo Verde, Cambodia, Chad, Chile, Colombia, Congo, Costa Rica, Côte d’Ivoire, Cuba, Cyprus, Djibouti, Dominican Republic, DRC (Congo), Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Ethiopia, Fiji, Gabon, Gambia, Ghana, Grenada, Guatemala, Guinea-Bissau, Guyana, Haiti, Holy See, Honduras, Indonesia, Iran, Iraq, Ireland, Jamaica, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Laos, Lebanon, Lesotho, Liberia, Liechtenstein, Madagascar, Malawi, Malaysia, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Moldova, Mongolia, Morocco, Mozambique, Myanmar, Namibia, Nepal, New Zealand, Nigeria, Oman, Palau, Palestine, Panama, Papua New Guinea, Paraguay, Peru, Philippines, Qatar, Saint Kitts & Nevis, Saint Lucia, Saint Vincent & the Grenadines, Samoa, San Marino, São Tomé & Principe, Saudi Arabia, Senegal, Seychelles, Sierra Leone, Solomon Islands, South Africa, Sri Lanka, Sudan, Suriname, Sweden, Switzerland, Tanzania, Thailand, Timor-Leste, Togo, Tonga, Trinidad & Tobago, Tunisia, Uganda, United Arab Emirates, Uruguay, Vanuatu, Venezuela, Vietnam, Yemen, Zimbabwe.

 

Afghanistan Afghanistan participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Albania Albania did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. Albania claims that US nuclear weapons are essential for its security.
Not supportive
Algeria Algeria participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was the site of French nuclear testing in the 1960s.
Supportive
Andorra Andorra participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. However, in 2015 it pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Unclear
Angola Angola participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Antigua & Barbuda Antigua and Barbuda participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Argentina Argentina participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Armenia Armenia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Unclear
Australia Australia did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. Earlier that year, it had attempted to derail a special UN working group on nuclear disarmament in Geneva, which adopted a report recommending the negotiation of the treaty. Australia claims that US nuclear weapons are essential for its security. It was the site of British nuclear testing in the 1950s and 1960s.
Not supportive
Austria Austria participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. In 2014 it hosted the third intergovernmental conference on the humanitarian impact of nuclear weapons, at which it launched a pledge, subsequently endorsed by 127 nations, to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Supportive
Azerbaijan Azerbaijan participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Bahamas The Bahamas participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Bahrain Bahrain participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Bangladesh Bangladesh participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Barbados Barbados participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Belarus Belarus did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Unclear
Belgium Belgium, which hosts US nuclear weapons on its territory, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Belize Belize participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Benin Benin participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Bhutan Bhutan participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Bolivia Bolivia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Bosnia & Herzegovina Bosnia and Herzegovina did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Not supportive
Botswana Botswana participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Brazil Brazil participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Brunei Brunei participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Bulgaria Bulgaria did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Burkina Faso Burkina Faso participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Burundi Burundi participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Cabo Verde Cabo Verde participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Cambodia Cambodia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Cameroon Cameroon participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Canada Canada did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Central African Republic The Central African Republic attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Chad Chad participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Chile Chile participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
China China, which possesses approximately 260 nuclear weapons, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. Although it regularly declares its support for the prohibition and elimination of nuclear weapons, its true commitment to nuclear disarmament remains in serious doubt. It has failed to fulfil its legally binding disarmament obligations under the Non-Proliferation Treaty.
Not supportive
Colombia Colombia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Comoros The Comoros attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. However, it has pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons in light of their unacceptable humanitarian consequences.
Unclear
Congo Congo participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Costa Rica Costa Rica participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. Its disarmament ambassador, Elayne Whyte Gómez, presided over the process. Costa Rica was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Côte d’Ivoire Côte d’Ivoire participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Croatia Croatia did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Cuba Cuba participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Cyprus Cyprus participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Czech Republic The Czech Republic did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Denmark Denmark did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security. However, in the past it had called for intensified efforts to outlaw nuclear weapons in light of their unacceptable humanitarian consequences.
Not supportive
Djibouti Djibouti participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Dominica Dominica attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Dominican Republic The Dominican Republic participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
DRC (Congo) The Democratic Republic of the Congo participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Ecuador Ecuador participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Egypt Egypt participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
El Salvador El Salvador participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Equatorial Guinea Equatorial Guinea participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Eritrea Eritrea participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Estonia Estonia did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Ethiopia Ethiopia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Fiji Fiji participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Finland Finland did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It regularly aligns itself with nations that claim that US nuclear weapons are essential for their security.
Unclear
France France, which possesses approximately 300 nuclear weapons, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It has said that it intends never to join the treaty. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It has failed to fulfil its legally binding disarmament obligations under the Non-Proliferation Treaty.
Not supportive
Gabon Gabon attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Gambia The Gambia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Georgia Georgia did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, nor did it participate in the vote on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Unclear
Germany Germany, which hosts US nuclear weapons on its territory, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Ghana Ghana participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Greece Greece did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Grenada Grenada participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Guatemala Guatemala participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Guinea Guinea participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It has pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons in light of their unacceptable humanitarian consequences.
Supportive
Guinea-Bissau Guinea-Bissau attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Guyana Guyana participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Haiti Haiti participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Holy See The Holy See participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Honduras Honduras participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Hungary Hungary did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Iceland Iceland did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security. However, in the past it had called for intensified efforts to outlaw nuclear weapons in light of their unacceptable humanitarian consequences.
Not supportive
India India, which possesses approximately 110 to 120 nuclear weapons, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. Although it regularly declares its support for the prohibition and elimination of nuclear weapons, its true commitment to nuclear disarmament remains in serious doubt.
Not supportive
Indonesia Indonesia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Iran Iran participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Iraq Iraq participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Ireland Ireland participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Israel Israel, which possesses approximately 80 nuclear weapons, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Not supportive
Italy Italy, which hosts US nuclear weapons on its territory, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Jamaica Jamaica participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Japan Japan, which is the only nation ever to be attacked with nuclear weapons, did not formally participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It attended the first day of negotiations, but only to declare that it would be unable to negotiate constructively and in good faith. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Jordan Jordan participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Kazakhstan Kazakhstan participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. From the 1940s to 1980s, it was the site of Soviet nuclear testing.
Supportive
Kenya Kenya participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Kiribati Kiribati participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was the site of British nuclear testing in the 1950s and US nuclear testing in the 1960s.
Supportive
Kuwait Kuwait participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Kyrgyzstan Kyrgyzstan attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. However, in 2015 it pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Unclear
Laos Laos participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Latvia Latvia did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Lebanon Lebanon participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Lesotho Lesotho participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Liberia Liberia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Libya Libya participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Liechtenstein Liechtenstein participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Lithuania Lithuania did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Luxembourg Luxembourg did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Macedonia Macedonia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It has pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons in light of their unacceptable humanitarian consequences.
Supportive
Madagascar Madagascar participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Malawi Malawi participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Malaysia Malaysia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Maldives The Maldives attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Mali Mali attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. However, in 2015 it pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Unclear
Malta Malta participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Marshall Islands The Marshall Islands participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. The Marshall Islands was the site of US nuclear testing in the 1940s and 1950s.
Supportive
Mauritania Mauritania participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Mauritius Mauritius participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Mexico Mexico participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. In 2014 it hosted the second intergovernmental conference on the humanitarian impact of nuclear weapons, at which the chair concluded that a diplomatic process must be launched for the prohibition of nuclear weapons.
Supportive
Micronesia The Federated States of Micronesia did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It was the only Pacific island state to do so, citing its military relationship with the United States as the reason.
Not supportive
Moldova The Republic of Moldova participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. Supportive
Monaco Monaco participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Unclear
Mongolia Mongolia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Montenegro Montenegro did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Morocco Morocco participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Mozambique Mozambique participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Myanmar Myanmar participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Namibia Namibia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Nauru Nauru participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Nepal Nepal participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Netherlands The Netherlands, which hosts US nuclear weapons on its territory, participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons but voted against its adoption on 7 July 2017. It was the only nation to do so. It claims that US nuclear weapons are essential for its security.
Not supportive
New Zealand New Zealand participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Nicaragua Nicaragua participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It was the only Latin American nation to do so. However, in 2015 it pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Unclear
Niger Niger attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. In 2015, it pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Supportive
Nigeria Nigeria participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
North Korea North Korea, which is in the process of developing nuclear weapons, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. In 2003 it announced its withdrawal from the Non-Proliferation Treaty, and has since carried out multiple nuclear test explosions.
Not supportive
Norway Norway did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security. However, in the past it had called for intensified efforts to outlaw nuclear weapons. In 2013, it hosted the first intergovernmental conference on the humanitarian impact of nuclear weapons.
Not supportive
Oman Oman participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Pakistan Pakistan, which possesses approximately 120 to 130 nuclear weapons, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. Although it regularly declares its support for the prohibition and elimination of nuclear weapons, its true commitment to nuclear disarmament remains in serious doubt.
Not supportive
Palau Palau participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Palestine Palestine participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Panama Panama participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Papua New Guinea Papua New Guinea participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Paraguay Paraguay participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Peru Peru participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Philippines The Philippines participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Poland Poland did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Portugal Portugal did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Qatar Qatar participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Romania Romania did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Russia Russia, which possesses approximately 7,000 nuclear weapons, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It has failed to fulfil its legally binding disarmament obligations under the Non-Proliferation Treaty.
Not supportive
Rwanda Rwanda did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. However, it voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Saint Kitts & Nevis Saint Kitts and Nevis participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Saint Lucia Saint Lucia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Saint Vincent & the Grenadines Saint Vincent and the Grenadines participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Samoa Samoa participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
San Marino San Marino participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
São Tomé & Principe São Tomé and Principe participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Saudi Arabia Saudi Arabia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Senegal Senegal participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Serbia Serbia did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. However, in 2015 it pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Not supportive
Seychelles The Seychelles participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Sierra Leone Sierra Leone participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Singapore Singapore participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons but abstained from the voting on its adoption on 7 July 2017.
Unclear
Slovakia Slovakia did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Slovenia Slovenia did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Solomon Islands The Solomon Islands participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Somalia Somalia attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. In 2015, it pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Supportive
South Africa South Africa participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
South Korea South Korea did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
South Sudan South Sudan attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It also did not participate in the vote on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Unclear
Spain Spain did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Sri Lanka Sri Lanka participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Sudan Sudan participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Suriname Suriname participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Swaziland Swaziland participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Sweden Sweden participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Switzerland Switzerland participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Syria Syria participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It did not participate in the vote on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Unclear
Tajikistan Tajikistan attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. In 2015, it pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Supportive
Tanzania Tanzania participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Thailand Thailand participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Timor-Leste Timor-Leste participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Togo Togo participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Tonga Tonga participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Trinidad & Tobago Trinidad and Tobago participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Tunisia Tunisia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Turkey Turkey, which hosts US nuclear weapons on its territory, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It claims that US nuclear weapons are essential for its security.
Not supportive
Turkmenistan Turkmenistan did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. However, it voted in favour of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Tuvalu Tuvalu did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. However, it was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. In 2015, it pledged to cooperate in efforts to stigmatize, prohibit and eliminate nuclear weapons.
Supportive
Uganda Uganda participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Ukraine Ukraine did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, nor did it participate in the vote on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. On the opening day of negotiations, it joined an anti-ban protest outside the UN General Assembly hall.
Not supportive
United Arab Emirates The United Arab Emirates participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
United Kingdom The United Kingdom, which possesses approximately 215 nuclear weapons, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It has said that it intends never to join the treaty. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It has failed to fulfil its legally binding disarmament obligations under the Non-Proliferation Treaty.
Not supportive
United States The United States, which possesses approximately 6,800 nuclear weapons, did not participate in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons. It has said that it intends never to join the treaty. It voted against the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty. It has failed to fulfil its legally binding disarmament obligations under the Non-Proliferation Treaty.
Not supportive
Uruguay Uruguay participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Uzbekistan Uzbekistan attended parts of the UN conference to negotiate the Treaty on the Prohibition of Nuclear Weapons, although it did not formally participate. It abstained from voting on the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Unclear
Vanuatu Vanuatu participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Venezuela Venezuela participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Vietnam Vietnam participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Yemen Yemen participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive
Zambia Zambia participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons, but was absent for the vote on its adoption on 7 July 2017. It was among the co-sponsors of the UN General Assembly resolution in 2016 that established the mandate for nations to negotiate the treaty.
Supportive
Zimbabwe Zimbabwe participated in the negotiation of the UN Treaty on the Prohibition of Nuclear Weapons and voted in favour of its adoption on 7 July 2017.
Supportive

  • aiweiwei

    “Let’s act up! Ban nuclear weapons completely and unconditionally.”

    Ai Weiwei Artist and activist

  • sheen

    “If Gandhi and Martin Luther King Jr were alive today, they would be part of ICAN.”

    Martin Sheen Actor and activist

  • bankimoon

    “I salute ICAN for working with such commitment and creativity.”

    Ban Ki-moon Former UN chief

  • yokoono

    “We can do it together. With your help, our voice will be made still stronger. Imagine peace.”

    Yoko Ono Artist

  • jodywilliams

    “Governments say a nuclear weapons ban is unlikely. Don’t believe it. They said the same about a mine ban treaty.”

    Jody Williams Nobel laureate

  • desmondtutu

    “With your support, we can take ICAN its full distance – all the way to zero nuclear weapons.”

    Desmond Tutu Nobel laureate

  • herbiehancock

    “Because I cannot tolerate these appalling weapons, I whole-heartedly support ICAN.”

    Herbie Hancock Jazz musician

  • dalailama

    “I can imagine a world without nuclear weapons, and I support ICAN.”

    Dalai Lama Nobel laureate