| 2016 | 2017 | 2018 |
|---|
| |
| 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 | | |