Comprehensive Nuclear Test Ban Treaty & Partial Test Ban Treaty Membership Afghanistan 24 Sep 03 24 Sep 03 Albania 27 Sep 96 23 Apr 03 Algeria* 15 Oct 96 11 Jul 03 S Andorra 24 Sep 96 12 Jul 06 Angola 27 Sep 96 20 Mar 15 Antigua and Barbuda 16 Apr 97 11 Jan 06 Argentina* 24 Sep 96 04 Dec 98 Armenia 01 Oct 96 12 Jul 06 Australia* 24 Sep 96 09 Jul 98 Austria* 24 Sep 96 13 Mar 98 Azerbaijan 28 Jul 97 02 Feb 99 Bahamas 04 Feb 05 30 Nov 07 Bahrain 24 Sep 96 12 Apr 04 Bangladesh* 24 Oct 96 08 Mar 00 Barbados 14 Jan 08 14 Jan 08 Belarus 24 Sep 96 13 Sep 00 Belgium* 24 Sep 96 29 Jun 99 Belize 14 Nov 01 26 Mar 04 Benin 27 Sep 96 06 Mar 01 Bhutan Bolivia 24 Sep 96 04 Oct 99 Bosnia and Herzegovina 24 Sep 96 26 Oct 06 Botswana 16 Sep 02 28 Oct 02 Brazil* 24 Sep 96 24 Jul 98 Brunei Darussalam 22 Jan 97 10 Jan 2013 Bulgaria* 24 Sep 96 29 Sep 99 Burkina Faso 27 Sep 96 17 Apr 02 S Burundi 24 Sep 96 24 Sep 08 S Cambodia 26 Sep 96 10 Nov 00 Cameroon 16 Nov 01 06 Feb 06 S Canada* 24 Sep 96 18 Dec 98 Cape Verde 01 Oct 96 01 Mar 06 Central African Republic 19 Dec 01 26 May 10 Chad 08 Oct 96 08 Feb 13 Chile* 24 Sep 96 12 Jul 00 China* 24 Sep 96 Colombia* 24 Sep 96 29 Jan 08 Comoros 12 Dec 96 Congo 11 Feb 97 02 Sep 2014 Congo (Democratic Republic of)* 04 Oct 96 28 Sep 04 Cook Islands 05 Dec 97 06 Sep 05 Costa Rica 24 Sep 96 25 Sep 01 Cote d'ivoire 25 Sep 96 11 Mar 03 Croatia 24 Sep 96 02 Mar 01
Cuba Cyprus 24 Sep 96 18 Jul 03 Czech Republic 12 Nov 96 11 Sep 97 Denmark 24 Sep 96 21 Dec 98 Djibouti 21 Oct 96 15 Jul 05 Dominica Dominican Republic 03 Oct 96 04 Sep 07 Ecuador 24 Sep 96 12 Nov 01 Egypt* 14 Oct 96 El Salvador 24 Sep 96 11 Sep 98 Equatorial Guinea 09 Oct 96 Eritrea 11 Nov 03 11 Nov 03 Estonia 20 Nov 96 13 Aug 99 Ethiopia 25 Sep 96 8 Aug 06 S Fiji 24 Sep 96 10 Oct 96 Finland* 24 Sep 96 15 Jan 99 France* 24 Sep 96 06 Apr 98 Gabon 07 Oct 96 20 Sep 00 Gambia 09 Apr 03 Georgia 24 Sep 96 27 Sep 02 Germany* 24 Sep 96 20 Aug 98 Ghana 03 Oct 96 14 June 11 Greece 24 Sep 96 21 Apr 99 Grenada 10 Oct 96 19 Aug 98 Guatemala 20 Sep 99 12 Jan 12 Guinea 03 Oct 96 20 Sep 11 Guinea-Bissau 11 Apr 97 24 Sep 13 Guyana 07 Sep 00 07 Mar 01 Haiti 24 Sep 96 01 Dec 05 S Holy See 24 Sep 96 18 Jul 01 Honduras 25 Sep 96 30 Oct 03 Hungary* 25 Sep 96 13 Jul 99 Iceland 24 Sep 96 26 Jun 00 India* Indonesia* 24 Sep 96 6 Feb 12 Iran (Islamic Republic of) * 24 Sep 96 Iraq 19 Aug 08 26 Sep 13 Ireland 24 Sep 96 15 Jul 99 Israel* 25 Sep 96 Italy* 24 Sep 96 01 Feb 99 Jamaica 11 Nov 96 13 Nov 01 Japan* 24 Sep 96 08 Jul 97 Jordan 26 Sep 96 25 Aug 98 Kazakhstan 30 Sep 96 14 May 02 Kenya 14 Nov 96 30 Nov 00 Kiribati 07 Sep 00 07 Sep 00 Korea (Democratic People's Republic Of)*
Korea (Republic of)* 24 Sep 96 24 Sep 99 Kuwait 24 Sep 96 6 May 03 Kyrgyzstan 08 Oct 96 02 Oct 03 Laos (People s Democratic Republic) 30 Jul 97 05 Oct 00 Latvia 24 Sep 96 20 Nov 01 Lebanon 16 Sep 05 21 Nov 08 Lesotho 30 Sep 96 14 Sep 99 Liberia 01 Oct 96 17 Aug 09 Libyan (Arab Jamahiriya) 13 Nov 01 6 Jan 04 Liechtenstein 27 Sep 96 21 Sep 04 Lithuania 07 Oct 96 07 Feb 00 Luxembourg 24 Sep 96 26 May 99 Macedonia (Former Yugoslav Republic of) 29 Oct 98 14 Mar 00 Madagascar 09 Oct 96 15 Sep 05 Malawi 09 Oct 96 21 Nov 08 Malaysia 23 Jul 98 17 Jan 08 Maldives 01 Oct 97 07 Sep 00 Mali 18 Feb 97 04 Aug 99 S Malta 24 Sep 96 23 Jul 01 Marshall Islands 24 Sep 96 28 Oct 09 Mauritania 24 Sep 96 30 April 03 Mauritius Mexico* 24 Sep 96 05 Oct 99 Micronesia (Federated States of) 24 Sep 96 25 Jul 97 Moldova 24 Sep 97 16 Jan 07 Monaco 01 Oct 96 18 Dec 98 Mongolia 01 Oct 96 08 Aug 97 Montenegro 23 Oct 06 23 Oct 06 Morocco 24 Sep 96 17 Apr 00 Mozambique 26 Sep 96 4 Nov 08 Myanmar 25 Nov 96 Namibia 24 Sep 96 29 Jun 01 Nauru 08 Sep 00 12 Nov 01 Nepal 08 Oct 96 Netherlands* 24 Sep 96 23 Mar 99 New Zealand 27 Sep 96 19 Mar 99 Nicaragua 24 Sep 96 05 Dec 00 Niger 03 Oct 96 9 Sep 02 Nigeria 08 Sep 00 27 Sep 01 Niue 09 Apr 12 04 Mar 14 Norway* 24 Sep 96 15 Jul 99 Oman 23 Sep 99 13 Jun 03 Pakistan Palau 12 Aug 03 01 Aug 07 Panama 24 Sep 96 23 Mar 99 Papua New Guinea 25 Sep 96 Paraguay 25 Sep 96 04 Oct 01 S
Peru* 25 Sep 96 12 Nov 97 Philippines 24 Sep 96 23 Feb 01 Poland* 24 Sep 96 25 May 99 Portugal 24 Sep 96 26 Jun 00 S Qatar 24 Sep 96 03 Mar 97 Romania* 24 Sep 96 05 Oct 99 Russian Federation* 24 Sep 96 30 Jun 00 Rwanda 30 Nov 04 30 Nov 04 Saint Kitts and Nevis 23 Mar 04 27 Apr 05 Saint Lucia 04 Oct 96 05 Apr 01 Saint Vincent and the Grenadines 02 Jul 09 23 Sep 09 Samoa 9 Oct 96 27 Sep 02 San Marino 07 Oct 96 12 Mar 02 Sao Tome and Principe 26 Sep 96 Saudi Arabia Senegal 26 Sep 96 09 Jun 99 Serbia 08 Jun 01 19 May 04 Seychelles 24 Sep 96 13 Apr 04 Sierra Leone 08 Sep 00 17 Sep 01 Singapore 14 Jan 99 10 Nov 01 Slovakia* 30 Sep 96 03 Mar 98 Slovenia 24 Sep 96 31 Aug 99 Solomon Islands 03 Oct 96 Somalia S South Africa* 24 Sep 96 30 Mar 99 South Sudan Spain* 24 Sep 96 31 Jul 98 Sri Lanka 24 Oct 96 Sudan 10 Jun 04 10 Jun 04 Suriname 14 Jan 97 07 Feb 06 Swaziland 24 Sep 96 Sweden* 24 Sep 96 02 Dec 98 Switzerland* 24 Sep 96 01 Oct 99 Syrian Arab Republic Tajikistan 07 Oct 96 10 Jun 98 Thailand 12 Nov 96 Timor-Leste 26 Sep 08 Togo 02 Oct 96 02 Jul 04 Tonga Trinidad and Tobago 8 Oct 09 26 May 10 Tunisia 16 Oct 96 23 Sep 04 Turkey* 24 Sep 96 16 Feb 00 Turkmenistan 24 Sep 96 20 Feb 98 Tuvalu Uganda 07 Nov 96 14 Mar 01 Ukraine* 27 Sep 96 23 Feb 01 United Arab Emirates 25 Sep 96 18 Sep 00
United Kingdom* 24 Sep 96 06 Apr 98 United Republic of Tanzania 30 Sep 04 30 Sep 04 United States* 24 Sep 96 Uruguay 24 Sep 96 21 Sep 01 Uzbekistan 03 Oct 96 29 May 97 Vanuatu 24 Sep 96 16 Sep 05 Venezuela 03 Oct 96 13 May 02 Viet Nam* 24 Sep 96 10 March 06 Yemen 30 Sep 96 Zambia 03 Dec 96 23 Feb 06 Zimbabwe 13 Oct 99 Total States: 196 : 183 Ratified: 164 States Party: 126 Signature only: 10 Not : 13, Not Ratified: 19 Not : 60 Key: - fulfilling and implementing domestic legislative legal practices to bring about the legal application of the Treaty on the government and other entities to which the Treaty is applicable, such as formal approval by parliament or legislative bodies, and the Treaty is formally declared to be applicable on the State Party, and the required legal instrument of ratification has been duly deposited with the depositary. Signature - competent authority or representative of a State has affixed its signature to a Treaty text thus indicating acceptance of the Treaty and a commitment not to undertake any actions that would undermine the purpose of the Treaty, according to the Vienna Convention on the Law of treaties, pending formal ratification. * Signature and ratification required for CTBT to enter into force. 1 = state party; S = signature only