Chlorophyll-a anomaly, remote sensing (%) by country
Countries reporting
188
Highest
8.2%
Yemen
Lowest
0.0%
Papua New Guinea
Median
0.6%
Years covered
5
2018β2022
Data points
1,110
What the numbers show
Chlorophyll-a anomaly, remote sensing (%) is currently reported for 188 countries. The highest value is 8.2% in Yemen; the lowest is 0.0% in Papua New Guinea.
The median across all reporting countries is 0.6%, and the mean is 1.0%.
Chlorophyll-a anomaly, remote sensing: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Yemen | 8.2% | 2022 | β | falling |
| 2 | Equatorial Guinea | 7.7% | 2022 | β | rising |
| 3 | Gabon | 5.7% | 2022 | β | rising |
| 4 | Somalia | 5.5% | 2022 | β | rising |
| 5 | Sri Lanka | 5.0% | 2022 | β | rising |
| 6 | Oman | 5.0% | 2022 | β | rising |
| 7 | French Guiana | 4.5% | 2022 | β | falling |
| 8 | Djibouti | 4.4% | 2022 | β | volatile |
| 9 | Greenland | 3.8% | 2022 | β | falling |
| 10 | Barbados | 3.7% | 2022 | β | falling |
| 11 | Kenya | 3.7% | 2022 | β | volatile |
| 12 | Uruguay | 3.5% | 2022 | β | falling |
| 13 | CΓ΄te d'Ivoire | 3.4% | 2022 | β | rising |
| 14 | Suriname | 3.3% | 2022 | β | flat |
| 15 | Congo | 3.2% | 2022 | β | falling |
| 16 | Argentina | 3.0% | 2022 | β | falling |
| 17 | Gambia | 2.8% | 2022 | β | volatile |
| 18 | Peru | 2.5% | 2022 | β | rising |
| 19 | Pakistan | 2.5% | 2022 | β | falling |
| 20 | Guatemala | 2.5% | 2022 | β | rising |
| 21 | Russian Federation | 2.4% | 2022 | β | falling |
| 22 | Faroe Islands | 2.4% | 2022 | β | rising |
| 23 | Estonia | 2.4% | 2022 | β | volatile |
| 24 | Iceland | 2.3% | 2022 | β | falling |
| 25 | Angola | 2.3% | 2022 | β | falling |
| 26 | India | 2.3% | 2022 | β | falling |
| 27 | Jordan | 2.3% | 2022 | β | volatile |
| 28 | Norway | 2.2% | 2022 | β | volatile |
| 29 | El Salvador | 2.2% | 2022 | β | rising |
| 30 | Finland | 2.2% | 2022 | β | volatile |
| 31 | Senegal | 2.1% | 2022 | β | volatile |
| 32 | State of Palestine | 2.1% | 2022 | β | rising |
| 33 | Ghana | 2.0% | 2022 | β | volatile |
| 34 | Nicaragua | 2.0% | 2022 | β | rising |
| 35 | Sweden | 1.8% | 2022 | β | volatile |
| 36 | Trinidad and Tobago | 1.8% | 2022 | β | volatile |
| 37 | Saint Lucia | 1.8% | 2022 | β | rising |
| 38 | Poland | 1.7% | 2022 | β | volatile |
| 39 | Democratic Republic of the Congo | 1.7% | 2022 | β | falling |
| 40 | Ireland | 1.6% | 2022 | β | rising |
| 41 | Canada | 1.6% | 2022 | β | falling |
| 42 | Mauritania | 1.6% | 2022 | β | falling |
| 43 | United Kingdom of Great Britain and Northern Ireland | 1.6% | 2022 | β | flat |
| 44 | Martinique | 1.5% | 2022 | β | flat |
| 45 | Slovenia | 1.5% | 2022 | β | volatile |
| 46 | Mexico | 1.5% | 2022 | β | rising |
| 47 | Sao Tome and Principe | 1.4% | 2022 | β | volatile |
| 48 | Republic of Korea | 1.4% | 2022 | β | volatile |
| 49 | Venezuela (Bolivarian Republic of) | 1.4% | 2022 | β | volatile |
| 50 | Namibia | 1.4% | 2022 | β | falling |
| 51 | Democratic People's Republic of Korea | 1.3% | 2022 | β | falling |
| 52 | Guyana | 1.3% | 2022 | β | volatile |
| 53 | Ecuador | 1.3% | 2022 | β | volatile |
| 54 | Panama | 1.3% | 2022 | β | flat |
| 55 | Eritrea | 1.3% | 2022 | β | falling |
| 56 | Aruba | 1.2% | 2022 | β | volatile |
| 57 | Bonaire, Sint Eustatius and Saba | 1.2% | 2022 | β | volatile |
| 58 | Spain | 1.2% | 2022 | β | falling |
| 59 | Guinea-Bissau | 1.2% | 2022 | β | volatile |
| 60 | Dominica | 1.1% | 2022 | β | volatile |
| 61 | Chile | 1.1% | 2022 | β | falling |
| 62 | Belgium | 1.0% | 2022 | β | rising |
| 63 | Bangladesh | 1.0% | 2022 | β | volatile |
| 64 | Tunisia | 1.0% | 2022 | β | flat |
| 65 | Benin | 1.0% | 2022 | β | volatile |
| 66 | Monaco | 1.0% | 2022 | β | volatile |
| 67 | Timor-Leste | 0.9% | 2022 | β | rising |
| 68 | Cabo Verde | 0.9% | 2022 | β | falling |
| 69 | France | 0.9% | 2022 | β | volatile |
| 70 | Liberia | 0.9% | 2022 | β | volatile |
| 71 | Colombia | 0.9% | 2022 | β | volatile |
| 72 | Grenada | 0.9% | 2022 | β | volatile |
| 73 | CuraΓ§ao | 0.9% | 2022 | β | volatile |
| 74 | Latvia | 0.9% | 2022 | β | volatile |
| 75 | Honduras | 0.9% | 2022 | β | volatile |
| 76 | Costa Rica | 0.8% | 2022 | β | volatile |
| 77 | Brunei Darussalam | 0.8% | 2022 | β | flat |
| 78 | Viet Nam | 0.8% | 2022 | β | rising |
| 79 | Netherlands (Kingdom of the) | 0.8% | 2022 | β | volatile |
| 80 | China | 0.8% | 2022 | β | volatile |
| 81 | Puerto Rico | 0.8% | 2022 | β | volatile |
| 82 | Nigeria | 0.8% | 2022 | β | falling |
| 83 | Saint Vincent and the Grenadines | 0.8% | 2022 | β | falling |
| 84 | Belize | 0.7% | 2022 | β | rising |
| 85 | Portugal | 0.7% | 2022 | β | rising |
| 86 | Lithuania | 0.7% | 2022 | β | volatile |
| 87 | Denmark | 0.7% | 2022 | β | falling |
| 88 | Guadeloupe | 0.7% | 2022 | β | volatile |
| 89 | Albania | 0.6% | 2022 | β | rising |
| 90 | New Zealand | 0.6% | 2022 | β | falling |
| 91 | Morocco | 0.6% | 2022 | β | falling |
| 92 | Indonesia | 0.6% | 2022 | β | flat |
| 93 | Sudan | 0.6% | 2022 | β | volatile |
| 94 | Vanuatu | 0.6% | 2022 | β | volatile |
| 95 | Iran (Islamic Republic of) | 0.6% | 2022 | β | rising |
| 96 | Germany | 0.6% | 2022 | β | falling |
| 97 | Brazil | 0.6% | 2022 | β | rising |
| 98 | Haiti | 0.5% | 2022 | β | volatile |
| 99 | Guinea | 0.5% | 2022 | β | falling |
| 100 | Malaysia | 0.5% | 2022 | β | rising |
| 101 | Seychelles | 0.5% | 2022 | β | volatile |
| 102 | Montenegro | 0.5% | 2022 | β | volatile |
| 103 | Madagascar | 0.4% | 2022 | β | volatile |
| 104 | Myanmar | 0.4% | 2022 | β | falling |
| 105 | Mozambique | 0.4% | 2022 | β | volatile |
| 106 | Dominican Republic | 0.4% | 2022 | β | volatile |
| 107 | Heard Island and McDonald Islands | 0.4% | 2022 | β | falling |
| 108 | Togo | 0.4% | 2022 | β | volatile |
| 109 | Israel | 0.4% | 2022 | β | rising |
| 110 | Romania | 0.4% | 2022 | β | falling |
| 111 | Sierra Leone | 0.4% | 2022 | β | volatile |
| 112 | Cameroon | 0.4% | 2022 | β | volatile |
| 113 | Australia and New Zealand | 0.4% | 2022 | β | falling |
| 114 | Australia | 0.4% | 2022 | β | falling |
| 115 | Cambodia | 0.4% | 2022 | β | volatile |
| 116 | Egypt | 0.4% | 2022 | β | rising |
| 117 | United Republic of Tanzania | 0.4% | 2022 | β | rising |
| 118 | Maldives | 0.3% | 2022 | β | volatile |
| 119 | Kazakhstan | 0.3% | 2022 | β | volatile |
| 120 | Thailand | 0.3% | 2022 | β | rising |
| 121 | Philippines | 0.3% | 2022 | β | falling |
| 122 | Syrian Arab Republic | 0.3% | 2022 | β | falling |
| 123 | Italy | 0.3% | 2022 | β | falling |
| 124 | Saint Pierre and Miquelon | 0.3% | 2022 | β | falling |
| 125 | Saint Kitts and Nevis | 0.2% | 2022 | β | volatile |
| 126 | Algeria | 0.2% | 2022 | β | volatile |
| 127 | Guernsey | 0.2% | 2022 | β | volatile |
| 128 | TΓΌrkiye | 0.2% | 2022 | β | falling |
| 129 | Singapore | 0.2% | 2022 | β | rising |
| 130 | Montserrat | 0.2% | 2022 | β | volatile |
| 131 | Bulgaria | 0.2% | 2022 | β | falling |
| 132 | Jamaica | 0.2% | 2022 | β | volatile |
| 133 | Lebanon | 0.2% | 2022 | β | falling |
| 134 | Greece | 0.2% | 2022 | β | volatile |
| 135 | Georgia | 0.2% | 2022 | β | volatile |
| 136 | Cuba | 0.1% | 2022 | β | falling |
| 137 | Antigua and Barbuda | 0.1% | 2022 | β | volatile |
| 138 | Fiji | 0.1% | 2022 | β | rising |
| 139 | United States Virgin Islands | 0.1% | 2022 | β | volatile |
| 140 | Saudi Arabia | 0.1% | 2022 | β | volatile |
| 141 | Palau | 0.1% | 2022 | β | volatile |
| 142 | Solomon Islands | 0.1% | 2022 | β | volatile |
| 143 | Croatia | 0.1% | 2022 | β | volatile |
| 144 | Saint Helena | 0.1% | 2022 | β | volatile |
| 145 | Libya | 0.1% | 2022 | β | rising |
| 146 | Jersey | 0.1% | 2022 | β | volatile |
| 147 | Malta | 0.1% | 2022 | β | volatile |
| 148 | Saint BarthΓ©lemy | 0.1% | 2022 | β | volatile |
| 149 | Samoa | 0.1% | 2022 | β | volatile |
| 150 | RΓ©union | 0.0% | 2022 | β | volatile |
| 151 | Tonga | 0.0% | 2022 | β | volatile |
| 152 | New Caledonia | 0.0% | 2022 | β | flat |
| 153 | Marshall Islands | 0.0% | 2022 | β | volatile |
| 154 | Micronesia | 0.0% | 2022 | β | volatile |
| 155 | Polynesia | 0.0% | 2022 | β | volatile |
| 156 | Azerbaijan | 0.0% | 2022 | β | volatile |
| 157 | Pitcairn | 0.0% | 2022 | β | volatile |
| 158 | Cyprus | 0.0% | 2022 | β | rising |
| 159 | Sint Maarten (Dutch part) | 0.0% | 2022 | β | volatile |
| 160 | Turks and Caicos Islands | 0.0% | 2022 | β | volatile |
| 161 | Saint Martin (French Part) | 0.0% | 2022 | β | rising |
| 162 | Turkmenistan | 0.0% | 2022 | β | volatile |
| 163 | Kuwait | 0.0% | 2022 | β | volatile |
| 164 | Bahamas | 0.0% | 2022 | β | rising |
| 165 | Melanesia | 0.0% | 2022 | β | rising |
| 166 | Northern Mariana Islands | 0.0% | 2022 | β | volatile |
| 167 | French Polynesia | 0.0% | 2022 | β | rising |
| 168 | Comoros | 0.0% | 2022 | β | rising |
| 169 | Mauritius | 0.0% | 2022 | β | rising |
| 170 | Norfolk Island | 0.0% | 2022 | β | volatile |
| 171 | Cook Islands | 0.0% | 2022 | β | rising |
| 172 | Bermuda | 0.0% | 2022 | β | volatile |
| 173 | Niue | 0.0% | 2022 | β | volatile |
| 174 | Guam | 0.0% | 2022 | β | volatile |
| 175 | Christmas Island | 0.0% | 2022 | β | volatile |
| 176 | Wallis and Futuna Islands | 0.0% | 2022 | β | volatile |
| 177 | Anguilla | 0.0% | 2022 | β | volatile |
| 178 | British Virgin Islands | 0.0% | 2022 | β | volatile |
| 179 | Tuvalu | 0.0% | 2022 | β | falling |
| 180 | Cayman Islands | 0.0% | 2022 | β | rising |
| 181 | Cocos (Keeling) Islands | 0.0% | 2022 | β | volatile |
| 182 | Qatar | 0.0% | 2022 | β | volatile |
| 183 | Nauru | 0.0% | 2022 | β | volatile |
| 184 | Bahrain | 0.0% | 2022 | β | volatile |
| 185 | Kiribati | 0.0% | 2022 | β | volatile |
| 186 | Tokelau | 0.0% | 2022 | β | volatile |
| 187 | Iraq | 0.0% | 2022 | β | volatile |
| 188 | Papua New Guinea | 0.0% | 2022 | β | volatile |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
- Eastern Europe 2.4%
- Europe 2.2%
- Middle Africa 2.1%
- Northern Europe 1.8%
- Southern Asia 1.8%
- Europe and Northern America 1.8%
- Sub-Saharan Africa 1.7%
- Least Developed Countries (LDCs) 1.7%
- Central America 1.5%
- Western Asia 1.4%
- Northern America 1.4%
- Americas 1.3%