Environment & climate
Kigali Amendment to the Montreal Protocol on Substances that Deplete the Ozone Layer
Source: UN Treaty Collection · scraped 2026-09-26
Figures below count the 193 UN member states separately from other parties to this treaty (international organizations and non-member observer states) — a treaty can have more parties than there are UN member states.
170/193
RatifiedUN member states
174 in total, incl. 4 non-UN members (Cook Islands, European Union, Holy See, Niue)
0
Signed, not ratifiedUN member states
0
WithdrawnUN member states
23
No actionUN member states
| Country | Signature | Ratification | Withdrawal | Status |
|---|---|---|---|---|
| Afghanistan | — | — | — | No action |
| Albania | — | 2019-01-18 | — | Ratified |
| Algeria | — | — | — | No action |
| Andorra | — | 2019-01-23(Acceptance) | — | Ratified |
| Angola | — | 2020-11-16 | — | Ratified |
| Antigua and Barbuda | — | — | — | No action |
| Argentina | — | 2019-11-22 | — | Ratified |
| Armenia | — | 2019-05-02(Acceptance) | — | Ratified |
| Australia | — | 2017-10-27(Acceptance) | — | Ratified |
| Austria | — | 2018-09-27 | — | Ratified |
| Azerbaijan | — | 2025-11-24 | — | Ratified |
| Bahamas | — | 2023-05-30 | — | Ratified |
| Bahrain | — | 2024-07-01 | — | Ratified |
| Bangladesh | — | 2020-06-08 | — | Ratified |
| Barbados | — | 2018-04-19 | — | Ratified |
| Belarus | — | 2022-11-03 | — | Ratified |
| Belgium | — | 2018-06-04 | — | Ratified |
| Belize | — | 2023-10-03(Approval) | — | Ratified |
| Benin | — | 2018-03-19 | — | Ratified |
| Bhutan | — | 2019-09-27 | — | Ratified |
| Bolivia | — | 2020-10-09 | — | Ratified |
| Bosnia and Herzegovina | — | 2021-05-26 | — | Ratified |
| Botswana | — | 2020-09-19(Acceptance) | — | Ratified |
| Brazil | — | 2022-10-19(Acceptance) | — | Ratified |
| Brunei Darussalam | — | 2025-09-18 | — | Ratified |
| Bulgaria | — | 2018-05-01 | — | Ratified |
| Burkina Faso | — | 2018-07-26 | — | Ratified |
| Burundi | — | 2021-03-26 | — | Ratified |
| Cabo Verde | — | 2020-10-28 | — | Ratified |
| Cambodia | — | 2021-04-08(Acceptance) | — | Ratified |
| Cameroon | — | 2021-08-24 | — | Ratified |
| Canada | — | 2017-11-03 | — | Ratified |
| Central African Republic | — | 2025-10-15(Approval) | — | Ratified |
| Chad | — | 2019-03-26 | — | Ratified |
| Chile | — | 2017-09-19 | — | Ratified |
| China | — | 2021-06-17(Acceptance) | — | Ratified |
| Colombia | — | 2021-02-25 | — | Ratified |
| Comoros | — | 2017-11-16 | — | Ratified |
| Congo | — | 2022-06-16 | — | Ratified |
| Cook IslandsNon-UN member | — | 2019-08-22(Acceptance) | — | Ratified |
| Costa Rica | — | 2018-05-23 | — | Ratified |
| Croatia | — | 2018-12-06 | — | Ratified |
| Cuba | — | 2019-06-20 | — | Ratified |
| Cyprus | — | 2019-07-22 | — | Ratified |
| Czech Republic | — | 2018-09-27(Acceptance) | — | Ratified |
| Côte d'Ivoire | — | 2017-11-29(Acceptance) | — | Ratified |
| Democratic People's Republic of Korea | — | 2017-09-21 | — | Ratified |
| Democratic Republic of the Congo | — | — | — | No action |
| Denmark | — | 2018-12-06(Approval) | — | Ratified |
| Djibouti | — | 2024-03-08 | — | Ratified |
| Dominica | — | — | — | No action |
| Dominican Republic | — | 2021-04-14(Acceptance) | — | Ratified |
| Ecuador | — | 2018-01-22 | — | Ratified |
| Egypt | — | 2023-08-22 | — | Ratified |
| El Salvador | — | 2021-09-13(Acceptance) | — | Ratified |
| Equatorial Guinea | — | — | — | No action |
| Eritrea | — | 2023-02-07 | — | Ratified |
| Estonia | — | 2018-09-27 | — | Ratified |
| Eswatini | — | 2020-11-24(Acceptance) | — | Ratified |
| Ethiopia | — | 2019-07-05 | — | Ratified |
| European UnionNon-UN member | — | 2018-09-27(Approval) | — | Ratified |
| Fiji | — | 2020-06-16 | — | Ratified |
| Finland | — | 2017-11-14(Acceptance) | — | Ratified |
| France | — | 2018-03-29(Approval) | — | Ratified |
| Gabon | — | 2018-02-28(Acceptance) | — | Ratified |
| Gambia | — | 2021-05-05 | — | Ratified |
| Georgia | — | 2023-07-11(Acceptance) | — | Ratified |
| Germany | — | 2017-11-14(Acceptance) | — | Ratified |
| Ghana | — | 2019-08-02 | — | Ratified |
| Greece | — | 2018-10-05 | — | Ratified |
| Grenada | — | 2018-05-29 | — | Ratified |
| Guatemala | — | 2024-01-11 | — | Ratified |
| Guinea | — | 2019-12-05 | — | Ratified |
| Guinea-Bissau | — | 2018-10-22 | — | Ratified |
| Guyana | — | — | — | No action |
| Haiti | — | 2026-04-08 | — | Ratified |
| Holy SeeNon-UN member | — | 2020-06-17 | — | Ratified |
| Honduras | — | 2019-01-28 | — | Ratified |
| Hungary | — | 2018-09-14(Approval) | — | Ratified |
| Iceland | — | 2021-01-25(Acceptance) | — | Ratified |
| India | — | 2021-09-27 | — | Ratified |
| Indonesia | — | 2022-12-14 | — | Ratified |
| Iran | — | — | — | No action |
| Iraq | — | — | — | No action |
| Ireland | — | 2018-03-12 | — | Ratified |
| Israel | — | — | — | No action |
| Italy | — | 2022-05-25 | — | Ratified |
| Jamaica | — | — | — | No action |
| Japan | — | 2018-12-18(Acceptance) | — | Ratified |
| Jordan | — | 2019-10-16 | — | Ratified |
| Kazakhstan | — | — | — | No action |
| Kenya | — | 2023-09-22(Acceptance) | — | Ratified |
| Kiribati | — | 2018-10-26 | — | Ratified |
| Kuwait | — | 2024-11-04(Approval) | — | Ratified |
| Kyrgyzstan | — | 2020-09-08 | — | Ratified |
| Lao People's Democratic Republic | — | 2017-11-16(Acceptance) | — | Ratified |
| Latvia | — | 2018-08-17 | — | Ratified |
| Lebanon | — | 2020-02-05 | — | Ratified |
| Lesotho | — | 2019-10-07 | — | Ratified |
| Liberia | — | 2020-07-12 | — | Ratified |
| Libya | — | — | — | No action |
| Liechtenstein | — | 2020-09-16 | — | Ratified |
| Lithuania | — | 2018-07-24 | — | Ratified |
| Luxembourg | — | 2017-11-16 | — | Ratified |
| Madagascar | — | 2026-08-10 | — | Ratified |
| Malawi | — | 2017-11-21 | — | Ratified |
| Malaysia | — | 2020-10-21 | — | Ratified |
| Maldives | — | 2017-11-13 | — | Ratified |
| Mali | — | 2017-03-31(Acceptance) | — | Ratified |
| Malta | — | 2025-12-19(Acceptance) | — | Ratified |
| Marshall Islands | — | 2017-05-15 | — | Ratified |
| Mauritania | — | 2025-11-11 | — | Ratified |
| Mauritius | — | 2019-10-01 | — | Ratified |
| Mexico | — | 2018-09-25(Acceptance) | — | Ratified |
| Micronesia | — | 2017-05-12 | — | Ratified |
| Monaco | — | — | — | No action |
| Mongolia | — | 2022-07-27 | — | Ratified |
| Montenegro | — | 2019-04-23 | — | Ratified |
| Morocco | — | 2022-04-22 | — | Ratified |
| Mozambique | — | 2020-01-16 | — | Ratified |
| Myanmar | — | — | — | No action |
| Namibia | — | 2019-05-16(Acceptance) | — | Ratified |
| Nauru | — | 2022-11-03 | — | Ratified |
| Nepal | — | 2025-08-06 | — | Ratified |
| Netherlands | — | 2018-02-08(Acceptance) | — | Ratified |
| New Zealand | — | 2019-10-03 | — | Ratified |
| Nicaragua | — | 2020-09-30 | — | Ratified |
| Niger | — | 2018-08-29 | — | Ratified |
| Nigeria | — | 2018-12-20 | — | Ratified |
| NiueNon-UN member | — | 2018-04-24 | — | Ratified |
| North Macedonia | — | 2020-03-12 | — | Ratified |
| Norway | — | 2017-09-06 | — | Ratified |
| Oman | — | 2024-11-08 | — | Ratified |
| Pakistan | — | 2025-10-22 | — | Ratified |
| Palau | — | 2017-08-29 | — | Ratified |
| Panama | — | 2018-09-28 | — | Ratified |
| Papua New Guinea | — | 2024-11-12 | — | Ratified |
| Paraguay | — | 2018-11-01(Acceptance) | — | Ratified |
| Peru | — | 2019-08-07 | — | Ratified |
| Philippines | — | 2022-11-03 | — | Ratified |
| Poland | — | 2019-01-07 | — | Ratified |
| Portugal | — | 2018-07-17(Approval) | — | Ratified |
| Qatar | — | — | — | No action |
| Republic of Korea | — | 2023-01-19 | — | Ratified |
| Moldova | — | 2023-09-22(Acceptance) | — | Ratified |
| Romania | — | 2020-07-01(Acceptance) | — | Ratified |
| Russian Federation | — | 2020-10-03(Acceptance) | — | Ratified |
| Rwanda | — | 2017-05-23 | — | Ratified |
| Samoa | — | 2018-03-23 | — | Ratified |
| San Marino | — | 2020-10-20(Acceptance) | — | Ratified |
| Sao Tome and Principe | — | 2019-10-04 | — | Ratified |
| Saudi Arabia | — | 2025-09-10(Acceptance) | — | Ratified |
| Senegal | — | 2018-08-31 | — | Ratified |
| Serbia | — | 2021-10-08 | — | Ratified |
| Seychelles | — | 2019-08-20(Acceptance) | — | Ratified |
| Sierra Leone | — | 2020-06-15 | — | Ratified |
| Singapore | — | 2022-06-01 | — | Ratified |
| Slovakia | — | 2017-11-16 | — | Ratified |
| Slovenia | — | 2018-12-07 | — | Ratified |
| Solomon Islands | — | 2022-05-23 | — | Ratified |
| Somalia | — | 2019-11-27 | — | Ratified |
| South Africa | — | 2019-08-01 | — | Ratified |
| South Sudan | — | — | — | No action |
| Spain | — | 2023-06-09(Acceptance) | — | Ratified |
| Sri Lanka | — | 2018-09-28 | — | Ratified |
| Saint Kitts and Nevis | — | 2025-08-29(Acceptance) | — | Ratified |
| Saint Lucia | — | 2021-11-02 | — | Ratified |
| Saint Vincent and the Grenadines | — | 2022-11-07 | — | Ratified |
| Sudan | — | — | — | No action |
| Suriname | — | — | — | No action |
| Sweden | — | 2017-11-17 | — | Ratified |
| Switzerland | — | 2018-11-07 | — | Ratified |
| Syrian Arab Republic | — | 2021-04-05 | — | Ratified |
| Tajikistan | — | 2022-06-29 | — | Ratified |
| Thailand | — | 2024-04-03 | — | Ratified |
| Timor-Leste | — | — | — | No action |
| Togo | — | 2018-03-08(Acceptance) | — | Ratified |
| Tonga | — | 2018-09-17 | — | Ratified |
| Trinidad and Tobago | — | 2017-11-17 | — | Ratified |
| Tunisia | — | 2021-08-27 | — | Ratified |
| Turkmenistan | — | 2020-08-31 | — | Ratified |
| Tuvalu | — | 2017-09-21 | — | Ratified |
| Türkiye | — | 2021-11-10 | — | Ratified |
| Uganda | — | 2018-06-21 | — | Ratified |
| Ukraine | — | — | — | No action |
| United Arab Emirates | — | 2024-04-19(Acceptance) | — | Ratified |
| United Kingdom | — | 2017-11-14 | — | Ratified |
| United Republic of Tanzania | — | 2022-03-25 | — | Ratified |
| United States of America | — | 2022-10-31 | — | Ratified |
| Uruguay | — | 2018-09-12 | — | Ratified |
| Uzbekistan | — | — | — | No action |
| Vanuatu | — | 2018-04-20 | — | Ratified |
| Venezuela | — | 2022-12-05 | — | Ratified |
| Viet Nam | — | 2019-09-27(Approval) | — | Ratified |
| Yemen | — | — | — | No action |
| Zambia | — | 2021-03-15 | — | Ratified |
| Zimbabwe | — | 2022-10-18(Acceptance) | — | Ratified |