| 2018 | 2020 |
|---|
| |
| World | | |
| REGIONS |
| Africa | | |
| Asia and the Pacific (UNEP) | | |
| Europe | | |
| Northern America | |
| Western Asia | | |
| SUB-REGIONS |
| Australia and New Zealand | | |
| Caribbean | | |
| Central America | | |
| Central Asia | |
| Central Asia and Southern Asia | | |
| Eastern Africa | |
| Eastern Asia | | |
| Eastern Asia and South-eastern Asia | | |
| Eastern Europe | | |
| Melanesia | |
| Micronesia | | |
| Middle Africa | | |
| Northern Africa | |
| Northern America | |
| Northern Europe | | |
| Oceania | | |
| Oceania excluding Australia and New Zealand | | |
| Polynesia | | |
| South America | | |
| South-eastern Asia | | |
| Southern Africa | |
| Southern Asia | | |
| Southern Europe | | |
| Western Africa | | |
| Western Asia | | |
| Western Asia and Northern Africa | | |
| Western Europe | | |
| SPECIAL REGIONS |
| Developed | | |
| Developing | | |
| Least Developed Countries (LDCs) | | |
| Non-SIDS | | |
| Small Island Developing States (SIDS) | | |
| |
| Australia | | |
| Canada | |
| United States of America | | |
| AFRICA |
| Algeria | | |
| Angola | | |
| Benin | |
| Botswana | | |
| Burkina Faso | |
| Burundi | | |
| Cabo Verde | | |
| Cameroon | |
| Central African Republic | | |
| Chad | | |
| Comoros | | |
| Congo | | |
| Cote d'Ivoire | | |
| Democratic Republic of the Congo | | |
| Djibouti | | |
| Egypt | | |
| Equatorial Guinea | | |
| Eritrea | | |
| Eswatini | | |
| Ethiopia | | |
| Gabon | | |
| Gambia | |
| Ghana | |
| Guinea | |
| Guinea-Bissau | | |
| Kenya | | |
| Lesotho | | |
| Liberia | | |
| Libya | |
| Madagascar | | |
| Malawi | | |
| Mali | | |
| Mauritania | |
| Mauritius | | |
| Morocco | | |
| Mozambique | | |
| Namibia | | |
| Niger | | |
| Nigeria | | |
| Rwanda | | |
| Sao Tome and Principe | |
| Senegal | |
| Seychelles | |
| Sierra Leone | | |
| Somalia | |
| South Africa | | |
| South Sudan | | |
| Sudan | |
| Togo | | |
| Tunisia | | |
| Uganda | | |
| United Republic of Tanzania | |
| Zambia | | |
| Zimbabwe | | |
| OCEANIA |
| Fiji | |
| Kiribati | | |
| Marshall Islands | | |
| Micronesia (Federated States of) | | |
| Nauru | | |
| New Zealand | | |
| Palau | | |
| Papua New Guinea | | |
| Samoa | | |
| Solomon Islands | | |
| Tonga | |
| Tuvalu | | |
| Vanuatu | |
| AMERICAS |
| Antigua and Barbuda | |
| Argentina | | |
| Bahamas | |
| Barbados | | |
| Belize | | |
| Bolivia (Plurinational State of) | | |
| Brazil | | |
| Chile | | |
| Colombia | | |
| Costa Rica | | |
| Cuba | | |
| Dominica | | |
| Dominican Republic | |
| Ecuador | | |
| El Salvador | |
| Grenada | | |
| Guatemala | | |
| Guyana | |
| Haiti | | |
| Honduras | | |
| Jamaica | | |
| Mexico | | |
| Nicaragua | |
| Panama | | |
| Paraguay | | |
| Peru | | |
| Saint Kitts and Nevis | | |
| Saint Lucia | | |
| Saint Vincent and the Grenadines | | |
| Suriname | | |
| Trinidad and Tobago | | |
| Uruguay | | |
| Venezuela (Bolivarian Republic of) | |
| ASIA |
| Afghanistan | | |
| Armenia | | |
| Azerbaijan | | |
| Bahrain | | |
| Bangladesh | |
| Bhutan | | |
| Brunei Darussalam | | |
| Cambodia | | |
| China | | |
| Cyprus | | |
| Democratic People's Republic of Korea | | |
| Georgia | | |
| India | | |
| Indonesia | |
| Iran (Islamic Republic of) | |
| Iraq | | |
| Israel | | |
| Japan | | |
| Jordan | | |
| Kazakhstan | | |
| Kuwait | | |
| Kyrgyzstan | |
| Lao People's Democratic Republic | | |
| Lebanon | | |
| Malaysia | |
| Maldives | | |
| Mongolia | | |
| Myanmar | | |
| Nepal | | |
| Oman | | |
| Pakistan | | |
| Philippines | | |
| Qatar | | |
| Republic of Korea | |
| Saudi Arabia | | |
| Singapore | | |
| Sri Lanka | |
| Syrian Arab Republic | | |
| Tajikistan | |
| Thailand | | |
| Timor-Leste | | |
| Turkey | | |
| Turkmenistan | | |
| United Arab Emirates | | |
| Uzbekistan | | |
| Viet Nam | | |
| Yemen | | |
| EUROPE |
| Albania | | |
| Andorra | | |
| Austria | | |
| Belarus | | |
| Belgium | | |
| Bosnia and Herzegovina | | |
| Bulgaria | | |
| Croatia | | |
| Czechia | | |
| Denmark | | |
| Estonia | | |
| Finland | |
| France | | |
| Germany | | |
| Greece | | |
| Hungary | | |
| Iceland | |
| Ireland | | |
| Italy | |
| Latvia | | |
| Liechtenstein | | |
| Lithuania | | |
| Luxembourg | |
| Malta | | |
| Monaco | | |
| Montenegro | | |
| Netherlands | | |
| North Macedonia | | |
| Norway | | |
| Poland | | |
| Portugal | | |
| Republic of Moldova | | |
| Romania | | |
| Russian Federation | |
| San Marino | | |
| Serbia | | |
| Slovakia | | |
| Slovenia | | |
| Spain | | |
| Sweden | | |
| Switzerland | | |
| Ukraine | | |
| United Kingdom of Great Britain and Northern Ireland | |