| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Qatar | 16.1436 | 2011 |
| 2 | Iran, Islamic Rep. | 12.2514 | 2011 |
| 3 | Syrian Arab Republic | 12.06756 | 2011 |
| 4 | Philippines | 11.74582 | 2011 |
| 5 | Oman | 11.32999 | 2011 |
| 6 | Sudan | 11.23844 | 2011 |
| 7 | Haiti | 11.14198 | 2011 |
| 8 | Mauritania | 11.12868 | 2011 |
| 9 | Chad | 8.923318 | 2011 |
| 10 | Iraq | 8.538862 | 2011 |
| 11 | Afghanistan | 7.990335 | 2011 |
| 12 | West Bank and Gaza | 7.568231 | 2011 |
| 13 | Mexico | 7.327786 | 2011 |
| 14 | Montenegro | 7.197288 | 2011 |
| 15 | Israel | 7.054052 | 2011 |
| 16 | Saudi Arabia | 6.557336 | 2011 |
| 17 | Kenya | 6.192551 | 2011 |
| 18 | Tanzania | 5.899271 | 2011 |
| 19 | Pakistan | 5.897869 | 2011 |
| 20 | Kuwait | 5.818496 | 2011 |
| 21 | Dominican Republic | 5.738593 | 2011 |
| 22 | Angola | 5.58709 | 2011 |
| 23 | Armenia | 5.519813 | 2011 |
| 24 | Liberia | 5.39397 | 2011 |
| 25 | India | 5.357101 | 2011 |
| 26 | Burundi | 5.312137 | 2011 |
| 27 | Azerbaijan | 5.264688 | 2011 |
| 28 | Kazakhstan | 5.060816 | 2011 |
| 29 | Sierra Leone | 5.04955 | 2011 |
| 30 | Zimbabwe | 5.038994 | 2011 |
| 31 | Turkmenistan | 4.868197 | 2011 |
| 32 | Malaysia | 4.817101 | 2011 |
| 33 | Rwanda | 4.736271 | 2011 |
| 34 | Tajikistan | 4.489056 | 2011 |
| 35 | Mongolia | 4.417119 | 2011 |
| 36 | Uganda | 4.168918 | 2011 |
| 37 | Cambodia | 4.106882 | 2011 |
| 38 | North Macedonia | 4.042446 | 2011 |
| 39 | Panama | 4.011603 | 2011 |
| 40 | Indonesia | 3.913738 | 2011 |
| 41 | Malawi | 3.709865 | 2011 |
| 42 | Madagascar | 3.466489 | 2011 |
| 43 | Vietnam | 3.417899 | 2011 |
| 44 | Niger | 3.317112 | 2011 |
| 45 | Zambia | 3.290174 | 2011 |
| 46 | United Arab Emirates | 3.254193 | 2011 |
| 47 | Costa Rica | 3.251349 | 2011 |
| 48 | Congo, Dem. Rep. | 3.213531 | 2011 |
| 49 | Ecuador | 3.175219 | 2011 |
| 50 | Colombia | 3.174721 | 2011 |
| 51 | Jamaica | 3.170107 | 2011 |
| 52 | Lebanon | 3.127523 | 2011 |
| 53 | Congo, Rep. | 3.120142 | 2011 |
| 54 | New Zealand | 3.091881 | 2011 |
| 55 | Latvia | 3.073613 | 2011 |
| 56 | Ghana | 3.040695 | 2011 |
| 57 | Lesotho | 3.040355 | 2011 |
| 58 | Nigeria | 2.958893 | 2011 |
| 59 | Sri Lanka | 2.935801 | 2011 |
| 60 | Botswana | 2.93575 | 2011 |
| 61 | Turkey | 2.926321 | 2011 |
| 62 | Russian Federation | 2.913991 | 2011 |
| 63 | United States | 2.913172 | 2011 |
| 64 | Ukraine | 2.909148 | 2011 |
| 65 | South Africa | 2.850035 | 2011 |
| 66 | Algeria | 2.688675 | 2011 |
| 67 | Kyrgyz Republic | 2.670897 | 2011 |
| 68 | Australia | 2.631046 | 2011 |
| 69 | Honduras | 2.60319 | 2011 |
| 70 | Moldova | 2.599909 | 2011 |
| 71 | Uruguay | 2.565994 | 2011 |
| 72 | Djibouti | 2.501964 | 2011 |
| 73 | Yemen, Rep. | 2.474624 | 2011 |
| 74 | Serbia | 2.397506 | 2011 |
| 75 | Guinea | 2.342779 | 2011 |
| 76 | Kosovo | 2.303279 | 2011 |
| 77 | Chile | 2.256358 | 2011 |
| 78 | Paraguay | 2.128993 | 2011 |
| 79 | Belarus | 2.075406 | 2011 |
| 80 | Venezuela, RB | 2.074688 | 2011 |
| 81 | Peru | 2.053888 | 2011 |
| 82 | Nepal | 2.008808 | 2011 |
| 83 | Jordan | 1.940673 | 2011 |
| 84 | Central African Republic | 1.86513 | 2011 |
| 85 | Cyprus | 1.828623 | 2011 |
| 86 | Croatia | 1.806925 | 2011 |
| 87 | Guatemala | 1.743936 | 2011 |
| 88 | Bulgaria | 1.678014 | 2011 |
| 89 | Slovenia | 1.677267 | 2011 |
| 90 | Senegal | 1.665286 | 2011 |
| 91 | Ireland | 1.664374 | 2011 |
| 92 | Bolivia | 1.659652 | 2011 |
| 93 | Lithuania | 1.64819 | 2011 |
| 94 | Mauritius | 1.647877 | 2011 |
| 95 | Taiwan, China | 1.647478 | 2011 |
| 96 | Comoros | 1.63877 | 2011 |
| 97 | Gabon | 1.635492 | 2011 |
| 98 | Morocco | 1.620193 | 2011 |
| 99 | Lao PDR | 1.572046 | 2011 |
| 100 | Benin | 1.49632 | 2011 |
| 101 | Cameroon | 1.479892 | 2011 |
| 102 | China | 1.478744 | 2011 |
| 103 | Nicaragua | 1.453431 | 2011 |
| 104 | Estonia | 1.419451 | 2011 |
| 105 | El Salvador | 1.342758 | 2011 |
| 106 | Canada | 1.313827 | 2011 |
| 107 | Bosnia and Herzegovina | 1.248332 | 2011 |
| 108 | Albania | 1.205019 | 2011 |
| 109 | Korea, Rep. | 1.142004 | 2011 |
| 110 | Poland | 1.136578 | 2011 |
| 111 | Mali | 1.117883 | 2011 |
| 112 | Trinidad and Tobago | 1.108806 | 2011 |
| 113 | Brazil | 1.095958 | 2011 |
| 114 | Burkina Faso | 1.072065 | 2011 |
| 115 | Togo | 1.062137 | 2011 |
| 116 | Argentina | 1.012304 | 2011 |
| 117 | Slovak Republic | 1.006988 | 2011 |
| 118 | Egypt, Arab Rep. | 0.9993846 | 2011 |
| 119 | Thailand | 0.981229 | 2011 |
| 120 | Luxembourg | 0.9662031 | 2011 |
| 121 | Greece | 0.9191332 | 2011 |
| 122 | Hong Kong SAR, China | 0.8992924 | 2011 |
| 123 | Spain | 0.8923072 | 2011 |
| 124 | Denmark | 0.8844843 | 2011 |
| 125 | Finland | 0.835652 | 2011 |
| 126 | Georgia | 0.8169739 | 2011 |
| 127 | Bahrain | 0.7886628 | 2011 |
| 128 | Czech Republic | 0.7499605 | 2011 |
| 129 | Bangladesh | 0.7351319 | 2011 |
| 130 | Hungary | 0.6959265 | 2011 |
| 131 | Portugal | 0.6905981 | 2011 |
| 132 | Germany | 0.6785626 | 2011 |
| 133 | Austria | 0.6067356 | 2011 |
| 134 | Uzbekistan | 0.6030304 | 2011 |
| 135 | Netherlands | 0.5608379 | 2011 |
| 136 | United Kingdom | 0.5139325 | 2011 |
| 137 | Italy | 0.4490658 | 2011 |
| 138 | Belgium | 0.3856112 | 2011 |
| 139 | Singapore | 0.3044028 | 2011 |
| 140 | Romania | 0.2680022 | 2011 |
| 141 | Sweden | 0.2553991 | 2011 |
| 142 | Malta | 0.2199485 | 2011 |
| 143 | France | 0.0987853 | 2011 |
| 144 | Japan | 0 | 2011 |