| # | Flag | Country | CO2 intensity (kg per kg of oil equivalent energy use)CO2 intensity (kg per kg of oil equivalent energy use) | Year |
|---|---|---|---|---|
| 1 | Lesotho | 109.238 | 2007 | |
| 2 | Cape Verde | 4.913 | 2007 | |
| 3 | Kiribati | 4.667 | 2007 | |
| 4 | Mongolia | 3.877 | 2014 | |
| 5 | Dominica | 3.582 | 2007 | |
| 6 | Iraq | 3.404 | 2014 | |
| 7 | North Korea | 3.402 | 2014 | |
| 8 | Barbados | 3.402 | 2007 | |
| 9 | China | 3.373 | 2014 | |
| 10 | South Africa | 3.331 | 2014 | |
| 11 | Saint Vincent and the Grenadines | 3.248 | 2007 | |
| 12 | Hong Kong | 3.245 | 2014 | |
| 13 | Kazakhstan | 3.239 | 2014 | |
| 14 | Jordan | 3.234 | 2014 | |
| 15 | Estonia | 3.233 | 2014 | |
| 16 | Djibouti | 3.231 | 2007 | |
| 17 | Antigua and Barbuda | 3.215 | 2007 | |
| 18 | Lebanon | 3.212 | 2014 | |
| 19 | Palau | 3.195 | 1990 | |
| 20 | Libya | 3.190 | 2014 | |
| 21 | Morocco | 3.154 | 2014 | |
| 22 | Seychelles | 3.130 | 2007 | |
| 23 | Guyana | 3.124 | 2007 | |
| 24 | Ecuador | 3.097 | 2014 | |
| 25 | Marshall Islands | 3.094 | 2007 | |
| 26 | Yemen | 3.085 | 2013 | |
| 27 | Cyprus | 3.072 | 2014 | |
| 28 | Poland | 3.039 | 2014 | |
| 29 | Malta | 3.031 | 2014 | |
| 30 | Mauritius | 3.017 | 2014 | |
| 31 | Saint Lucia | 3.008 | 2007 | |
| 32 | East Timor | 3.006 | 2007 | |
| 33 | United Arab Emirates | 2.999 | 2014 | |
| 34 | Curacao | 2.982 | 2014 | |
| 35 | Cuba | 2.978 | 2014 | |
| 36 | Samoa | 2.972 | 2007 | |
| 37 | Grenada | 2.943 | 2007 | |
| 38 | Greece | 2.910 | 2014 | |
| 39 | Suriname | 2.885 | 2014 | |
| 40 | Australia | 2.885 | 2014 | |
| 41 | Republic of Macedonia | 2.863 | 2014 | |
| 42 | Turkey | 2.847 | 2014 | |
| 43 | Israel | 2.846 | 2014 | |
| 44 | Syria | 2.842 | 2014 | |
| 45 | Bosnia and Herzegovina | 2.842 | 2014 | |
| 46 | Serbia | 2.841 | 2014 | |
| 47 | Vanuatu | 2.829 | 2007 | |
| 48 | Dominican Republic | 2.819 | 2014 | |
| 49 | Kuwait | 2.816 | 2014 | |
| 50 | Saudi Arabia | 2.815 | 2014 | |
| 51 | Algeria | 2.814 | 2014 | |
| 52 | Solomon Islands | 2.808 | 2007 | |
| 53 | Japan | 2.748 | 2014 | |
| 54 | Tunisia | 2.742 | 2014 | |
| 55 | Iran | 2.740 | 2014 | |
| 56 | Equatorial Guinea | 2.727 | 2007 | |
| 57 | India | 2.714 | 2014 | |
| 58 | Malaysia | 2.707 | 2014 | |
| 59 | Egypt | 2.698 | 2014 | |
| 60 | Gibraltar | 2.694 | 2014 | |
| 61 | Belize | 2.678 | 2007 | |
| 62 | Venezuela | 2.675 | 2013 | |
| 63 | Republic of Ireland | 2.668 | 2014 | |
| 64 | Gambia | 2.647 | 2007 | |
| 65 | Jamaica | 2.643 | 2014 | |
| 66 | Azerbaijan | 2.617 | 2014 | |
| 67 | Maldives | 2.612 | 2007 | |
| 68 | Saint Kitts And Nevis | 2.607 | 2007 | |
| 69 | Peru | 2.597 | 2014 | |
| 70 | Botswana | 2.589 | 2014 | |
| 71 | Brunei | 2.563 | 2014 | |
| 72 | Turkmenistan | 2.558 | 2014 | |
| 73 | Mexico | 2.555 | 2014 | |
| 74 | Kyrgyzstan | 2.531 | 2014 | |
| 75 | Luxembourg | 2.531 | 2014 | |
| 76 | Oman | 2.514 | 2014 | |
| 77 | Swaziland | 2.514 | 2007 | |
| 78 | Comoros | 2.504 | 2007 | |
| 79 | Colombia | 2.473 | 2014 | |
| 80 | Vietnam | 2.457 | 2013 | |
| 81 | Bolivia | 2.450 | 2014 | |
| 82 | Albania | 2.448 | 2014 | |
| 83 | Qatar | 2.447 | 2014 | |
| 84 | Guinea-Bissau | 2.432 | 2007 | |
| 85 | Uzbekistan | 2.408 | 2013 | |
| 86 | Russia | 2.399 | 2014 | |
| 87 | The Bahamas | 2.384 | 2007 | |
| 88 | United States | 2.371 | 2014 | |
| 89 | Bulgaria | 2.370 | 2014 | |
| 90 | Angola | 2.369 | 2014 | |
| 91 | Trinidad and Tobago | 2.365 | 2014 | |
| 92 | Argentina | 2.356 | 2014 | |
| 93 | Germany | 2.352 | 2014 | |
| 94 | Thailand | 2.347 | 2014 | |
| 95 | Czech Republic | 2.341 | 2014 | |
| 96 | United Kingdom | 2.340 | 2014 | |
| 97 | Montenegro | 2.312 | 2014 | |
| 98 | Netherlands | 2.293 | 2014 | |
| 99 | Belarus | 2.289 | 2014 | |
| 100 | Chile | 2.287 | 2014 | |
| 101 | Senegal | 2.238 | 2014 | |
| 102 | Philippines | 2.216 | 2014 | |
| 103 | Bahrain | 2.213 | 2014 | |
| 104 | Fiji | 2.211 | 2007 | |
| 105 | Romania | 2.209 | 2014 | |
| 106 | South Korea | 2.188 | 2014 | |
| 107 | Italy | 2.183 | 2014 | |
| 108 | Ukraine | 2.151 | 2014 | |
| 109 | South Sudan | 2.137 | 2014 | |
| 110 | Portugal | 2.129 | 2014 | |
| 111 | Croatia | 2.094 | 2014 | |
| 112 | Panama | 2.089 | 2014 | |
| 113 | Namibia | 2.079 | 2014 | |
| 114 | Denmark | 2.066 | 2014 | |
| 115 | Bangladesh | 2.066 | 2014 | |
| 116 | Indonesia | 2.058 | 2014 | |
| 117 | Georgia | 2.047 | 2014 | |
| 118 | Spain | 2.042 | 2014 | |
| 119 | Singapore | 2.012 | 2014 | |
| 120 | Tonga | 1.960 | 2007 | |
| 121 | Slovakia | 1.924 | 2014 | |
| 122 | Slovenia | 1.920 | 2014 | |
| 123 | Canada | 1.919 | 2014 | |
| 124 | São Tomé and Príncipe | 1.917 | 2007 | |
| 125 | Armenia | 1.869 | 2014 | |
| 126 | Pakistan | 1.850 | 2014 | |
| 127 | Tajikistan | 1.850 | 2014 | |
| 128 | Hungary | 1.843 | 2014 | |
| 129 | Lithuania | 1.834 | 2014 | |
| 130 | Austria | 1.825 | 2014 | |
| 131 | Belgium | 1.769 | 2014 | |
| 132 | Honduras | 1.769 | 2014 | |
| 133 | Brazil | 1.747 | 2014 | |
| 134 | Sri Lanka | 1.717 | 2014 | |
| 135 | New Zealand | 1.686 | 2014 | |
| 136 | Norway | 1.657 | 2014 | |
| 137 | Bhutan | 1.608 | 2007 | |
| 138 | Latvia | 1.607 | 2014 | |
| 139 | Ghana | 1.601 | 2014 | |
| 140 | Costa Rica | 1.582 | 2014 | |
| 141 | El Salvador | 1.546 | 2014 | |
| 142 | Moldova | 1.494 | 2014 | |
| 143 | Benin | 1.474 | 2014 | |
| 144 | Uruguay | 1.432 | 2014 | |
| 145 | Switzerland | 1.409 | 2014 | |
| 146 | Finland | 1.394 | 2014 | |
| 147 | Guatemala | 1.387 | 2014 | |
| 148 | Nicaragua | 1.328 | 2014 | |
| 149 | France | 1.250 | 2014 | |
| 150 | Republic of the Congo | 1.178 | 2014 | |
| 151 | Myanmar | 1.120 | 2014 | |
| 152 | Paraguay | 1.103 | 2014 | |
| 153 | Cambodia | 1.050 | 2014 | |
| 154 | Zimbabwe | 1.035 | 2013 | |
| 155 | Sudan | 1.025 | 2014 | |
| 156 | Gabon | 1.023 | 2014 | |
| 157 | Cameroon | 0.921 | 2014 | |
| 158 | Sweden | 0.902 | 2014 | |
| 159 | Eritrea | 0.856 | 2014 | |
| 160 | Ivory Coast | 0.796 | 2014 | |
| 161 | Togo | 0.794 | 2014 | |
| 162 | Niger | 0.737 | 2014 | |
| 163 | Mozambique | 0.724 | 2014 | |
| 164 | Nigeria | 0.715 | 2014 | |
| 165 | Haiti | 0.689 | 2014 | |
| 166 | Nepal | 0.687 | 2014 | |
| 167 | Kenya | 0.605 | 2014 | |
| 168 | Tanzania | 0.466 | 2014 | |
| 169 | Zambia | 0.411 | 2013 | |
| 170 | Iceland | 0.338 | 2014 | |
| 171 | Ethiopia | 0.240 | 2014 | |
| 172 | Democratic Republic Of Congo | 0.163 | 2014 |