The list of parties to weapons of mass destruction treaties encompasses the states which have signed and ratified, succeeded, or acceded to any of the major multilateral treaties prohibiting or restricting weapons of mass destruction (WMD), in particular nuclear, biological, or chemical weapons.
Overview
| Treaty | Year of entry into force | Number of States parties | Number of signatory states (signed but not ratified) | Objective |
|---|---|---|---|---|
| Geneva Protocol | 1928 | 146 | 0 | Ban the use of biological and chemical weapons |
| Biological Weapons Convention (parties) | 1975 | 187 | 4 | Comprehensively ban biological weapons |
| Chemical Weapons Convention (parties) | 1997 | 193 | 1 | Comprehensively ban chemical weapons |
| Partial Nuclear Test Ban Treaty (parties) | 1963 | 126 | 10 | Ban all nuclear weapons tests except for those conducted underground |
| Nuclear Non-Proliferation Treaty (parties) | 1970 | 191 | 0 | 1. prevent nuclear proliferation; 2. promote nuclear disarmament; 3. promote peaceful uses of nuclear energy |
| Treaty on the Prohibition of Nuclear Weapons (parties) | 2021 | 73 | 25 | Comprehensively ban nuclear weapons |
| Comprehensive Nuclear-Test-Ban Treaty (parties) | not in force | 178 | 9 | Ban all nuclear weapons tests |
List of states parties to weapons of mass destruction treaties
The following list was last updated in March 2021.
Legend:
- GP = Geneva Protocol
- BWC = Biological Weapons Convention
- CWC = Chemical Weapons Convention
- NPT = Nuclear Non-Proliferation Treaty
- TPNW = Treaty on the Prohibition of Nuclear Weapons
- CTBT = Comprehensive Nuclear-Test-Ban Treaty
- S = signing; R = ratification; A = accession; Su = succession; Ac = acceptance
| State party | GP | BWC | CWC | Nuclear | ||
|---|---|---|---|---|---|---|
| NPT | TPNW | CTBT | ||||
| Afghanistan | A | R | R | R | R | |
| Albania | A | A | R | A | R | |
| Algeria | A | A | R | A | S | R |
| Andorra | A | A | A | R | ||
| Angola | A | A | A | A | S | R |
| Antigua and Barbuda | Su | A | A | Su | R | R |
| Argentina | A | R | R | A | R | |
| Armenia | A | A | R | A | R | |
| Australia | A | R | R | R | R | |
| Austria | R | R | R | R | R | R |
| Azerbaijan | A | R | A | R | ||
| Bahamas, The | A | R | Su | R | ||
| Bahrain | A | A | R | A | R | |
| Bangladesh | A | A | R | A | R | R |
| Barbados | Su | R | A | R | R | |
| Belarus | R | R | A | R | ||
| Belgium | R | R | R | R | R | |
| Belize | Su/A | A | Su | R | R | |
| Benin | A | R | R | R | R | R |
| Bhutan | A | A | R | A | ||
| Bolivia | A | R | R | R | R | R |
| Bosnia and Herzegovina | Su | R | Su | R | ||
| Botswana | R | A | R | R | R | |
| Brazil | R | R | R | A | S | R |
| Brunei | A | R | A | S | R | |
| Bulgaria | R | R | R | R | R | R |
| Burkina Faso | A | A | R | R | R | |
| Burundi | R | R | A | R | ||
| Cape Verde | A | A | R | A | R | R |
| Cambodia | A | R | R | A | R | R |
| Cameroon | A | A | R | R | R | |
| Canada | R | R | R | R | R | |
| Central African Republic | A | R | R | A | S | R |
| Chad | R | R | R | |||
| Chile | R | R | R | A | S | R |
| China | Su | A | R | A | S | |
| Colombia | A | R | R | R | S | R |
| Comoros | R | A | R | R | ||
| Congo, Democratic Republic of the | A | R | R | S | R | |
| Congo, Republic of the | R | R | R | S | R | |
| Cook Islands | A | R | A | R | ||
| Costa Rica | A | R | R | R | R | R |
| Côte d'Ivoire | A | R | R | R | S | R |
| Croatia | A | Su | R | Su | R | |
| Cuba | A | R | R | A | R | R |
| Cyprus | Su | R | R | R | R | |
| Czech Republic | Su | Su | R | Su | R | |
| Denmark | R | R | R | R | R | |
| Djibouti | R | A | R | |||
| Dominica | Su | R | Su | R | ||
| Dominican Republic | A | R | R | R | S | R |
| East Timor | A | A | A | S | S | |
| Ecuador | A | R | R | R | R | R |
| Egypt | R | S | R | S | ||
| El Salvador | R | R | R | R | R | R |
| Equatorial Guinea | A | A | R | A | S | |
| Eritrea | A | A | R | |||
| Estonia | R | A | R | A | R | |
| Eswatini | A | A | R | R | R | |
| Ethiopia | R | R | R | R | R | |
| Fiji | Su | R | R | A/Su | R | R |
| Finland | R | R | R | R | R | |
| France | R | A | R | A | R | |
| Gabon | R | R | A | R | ||
| Gambia, The | Su | R | R | R | R | S |
| Georgia | A | R | A | R | ||
| Germany | R | R | R | R | R | |
| Ghana | A | R | R | R | S | R |
| Greece | R | R | R | R | R | |
| Grenada | Su | A | R | Su | S | R |
| Guatemala | A | R | R | R | S | R |
| Guinea | A | R | A | R | ||
| Guinea-Bissau | A | A | R | A | S | R |
| Guyana | R | R | A | R | R | |
| Haiti | S | R | R | R | ||
| Honduras | R | R | R | R | R | |
| Hungary | A | R | R | R | R | |
| Iceland | A | R | R | R | R | |
| India | R | R | R | |||
| Indonesia | Su | R | R | R | S | R |
| Iran | A | R | R | R | S | |
| Iraq | A | R | A | R | R | |
| Ireland | A | R | R | R | R | R |
| Israel | A | S | S | |||
| Italy | R | R | R | R | R | |
| Jamaica | Su | A | R | R | R | R |
| Japan | R | R | R | R | R | |
| Jordan | A | R | A | R | R | |
| Kazakhstan | A | A | R | A | R | R |
| Kenya | A | A | R | R | R | |
| Kiribati | A | Su | R | R | ||
| Korea, North | A | A | A | A | ||
| Korea, South | A | R | R | R | R | |
| Kuwait | A | R | R | R | R | |
| Kyrgyzstan | A | A | R | A | R | |
| Laos | A | R | R | R | R | R |
| Latvia | R | A | R | A | R | |
| Lebanon | A | R | A | R | R | |
| Lesotho | Su | R | R | R | R | R |
| Liberia | A | R | R | R | R | |
| Libya | A | R | A | R | S | R |
| Liechtenstein | A | A | R | A | S | R |
| Lithuania | R | A | R | A | R | |
| Luxembourg | R | R | R | R | R | |
| Madagascar | A | R | R | R | S | R |
| Malawi | A | R | R | A | S | R |
| Malaysia | A | R | R | R | R | R |
| Maldives | A | A | R | R | R | R |
| Mali | R | R | R | R | ||
| Malta | Su | R | R | R | R | R |
| Marshall Islands | A | R | A | R | ||
| Mauritania | A | R | A | R | ||
| Mauritius | Su | R | R | A | ||
| Micronesia | R | A | R | |||
| Mexico | A | R | R | R | R | R |
| Moldova | A | A | R | A | R | |
| Monaco | A | A | R | A | R | |
| Mongolia | A | R | R | R | R | |
| Montenegro | Su | Su | Su | Su | ||
| Morocco | A | R | R | R | R | |
| Mozambique | A | A | A | S | R | |
| Myanmar | R | R | A | S | R | |
| Namibia | A | R | A | R | R | |
| Nauru | A | R | A | R | R | |
| Nepal | A | R | R | R | S | S |
| Netherlands | R | R | R | R | R | |
| New Zealand | A | R | R | R | R | R |
| Nicaragua | R | R | R | R | R | R |
| Niger | Su | R | R | A | S | R |
| Nigeria | A | R | R | R | R | R |
| Niue | A | A | A | R | ||
| North Korea | A | A | ||||
| North Macedonia | A | Su | A | Su | R | |
| Norway | R | R | R | R | R | |
| Oman | A | R | A | R | ||
| Pakistan | Su | R | R | |||
| Palau | A | A | A | R | R | |
| Palestine (see UN and Palestine) | A | A | R | A | R | R |
| Panama | A | R | R | R | R | R |
| Papua New Guinea | Su | A | R | A | S | |
| Paraguay | A | A | R | R | R | R |
| Peru | A | R | R | R | S | R |
| Philippines | A | R | R | R | R | R |
| Poland | R | R | R | R | R | |
| Portugal | R | R | R | A | R | |
| Qatar | A | R | R | A | R | |
| Romania | R | R | R | R | R | |
| Russia | R | R | R | R | R | |
| Rwanda | Su | R | R | A | R | |
| Saint Kitts and Nevis | Su | A | R | A | R | R |
| Saint Lucia | Su | Su | R | Su | R | R |
| Saint Vincent and the Grenadines | Su | Su | R | Su | R | R |
| Samoa | A | R | A | R | R | |
| San Marino | R | R | R | R | R | |
| São Tomé and Príncipe | A | Ac | A | S | S | |
| Saudi Arabia | A | R | R | A | ||
| Senegal | A | R | R | R | R | |
| Serbia | Su | Su | A | Su | R | |
| Seychelles | A | R | A | S | R | |
| Sierra Leone | A | R | R | A | R | |
| Singapore | R | R | R | R | ||
| Slovakia | Su | Su | R | Su | R | |
| Slovenia | A | Su | R | Su | R | |
| Solomon Islands | Su | Su | A | Su | S | |
| Somalia | S | A | R | |||
| South Africa | A | R | R | A | R | R |
| South Sudan | ||||||
| Spain | R | R | R | A | R | |
| Sri Lanka | A | R | R | R | S | |
| Sudan | A | A | A | R | S | R |
| Suriname | A | A | Su | R | ||
| Sweden | R | R | R | R | R | |
| Switzerland | R | R | R | R | R | |
| Syria | A | S | A | R | ||
| Tajikistan | A | A | R | A | R | |
| Tanzania | A | R | R | A | S | R |
| Thailand | R | R | R | A | R | R |
| Togo | A | R | R | R | S | R |
| Tonga | Su | A | A | Su | ||
| Trinidad and Tobago | Su | A | A | R | R | |
| Tunisia | A | R | R | R | R | |
| Turkey | R | R | R | R | R | |
| Turkmenistan | A | R | A | R | ||
| Tuvalu | A | Su | R | S | ||
| Uganda | A | A | R | A | R | |
| Ukraine | Su | R | R | A | R | |
| United Arab Emirates | R | R | A | R | ||
| United Kingdom | R | R | R | R | R | |
| United States | R | R | R | R | S | |
| Uruguay | R | A | R | R | R | R |
| Uzbekistan | A | R | A | R | ||
| Vanuatu | Su | A | A | R | R | |
| Vatican City (see UN and Holy See) | A | A | R | A | R | R |
| Venezuela | R | R | R | R | R | R |
| Vietnam | A | R | R | A | R | R |
| Yemen | A | R | R | R | S | |
| Zambia | A | R | A | S | R | |
| Zimbabwe | A | R | A | S | R | |
- Notes
- The Cook Islands and Niue, two associated states of New Zealand which have had their "full treaty-making capacity" recognised by United Nations Secretariat, are not parties to the treaty but consider themselves bound by its provisions by virtue of their administration by New Zealand when the latter ratified the NPT.
- The Cook Islands and Niue, two associated states of New Zealand which have had their "full treaty-making capacity" recognised by United Nations Secretariat, are not parties to the treaty but consider themselves bound by its provisions by virtue of their administration by New Zealand when the latter ratified the NPT.
- Withdrew 10 Jan 2003
See also
- List of parties to the Biological Weapons Convention
- List of parties to the Chemical Weapons Convention
- List of parties to the Comprehensive Nuclear-Test-Ban Treaty
- List of parties to the Treaty on the Non-Proliferation of Nuclear Weapons
- List of parties to the Treaty on the Prohibition of Nuclear Weapons
- List of parties to the Partial Nuclear Test Ban Treaty
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