| Rank | Country | Value | Year |
|---|---|---|---|
| 1 | Qatar | 52.2335505072126 | 2021 |
| 2 | Ireland | 51.3325726112804 | 2021 |
| 3 | Singapore | 50.2964411962272 | 2021 |
| 4 | Brunei Darussalam | 49.4382150197391 | 2021 |
| 5 | Zambia | 46.9657809328415 | 2021 |
| 6 | China | 45.3023643320634 | 2021 |
| 7 | Vanuatu | 44.0760005274346 | 2021 |
| 8 | Angola | 43.6582022767433 | 2021 |
| 9 | Bermuda | 40.3710024443603 | 2021 |
| 10 | Mauritania | 38.9380291414944 | 2021 |
| 11 | Norway | 38.6186234455404 | 2021 |
| 12 | Algeria | 37.3520504128709 | 2021 |
| 13 | Gambia, The | 36.6199602764603 | 2021 |
| 14 | Korea, Rep. | 36.186397990431 | 2021 |
| 15 | Switzerland | 36.010732613493 | 2021 |
| 16 | Nigeria | 35.2259464270484 | 2021 |
| 17 | Jamaica | 34.9297435004344 | 2021 |
| 18 | Viet Nam | 34.4150792623955 | 2021 |
| 19 | Bangladesh | 34.2479436170974 | 2021 |
| 20 | Indonesia | 33.9769292554703 | 2021 |
| 21 | Uzbekistan | 33.5498235279788 | 2021 |
| 22 | Azerbaijan | 33.5224505350681 | 2021 |
| 23 | Maldives | 33.1461571639723 | 2021 |
| 24 | Cabo Verde | 33.0115018695217 | 2021 |
| 25 | Luxembourg | 32.7723197723971 | 2021 |
| 26 | Nepal | 32.4993897789973 | 2021 |
| 27 | Macao SAR, China | 31.3722481127637 | 2021 |
| 28 | Malta | 31.2164461516592 | 2021 |
| 29 | Estonia | 31.1343468038793 | 2021 |
| 30 | Denmark | 30.9537665732475 | 2021 |
| 31 | Iraq | 30.7649803255582 | 2021 |
| 32 | Turkiye | 30.7614419185964 | 2021 |
| 33 | Panama | 30.7174257314639 | 2021 |
| 34 | India | 30.6913833768628 | 2021 |
| 35 | North Macedonia | 30.5109605002635 | 2021 |
| 36 | Belarus | 30.3734408487964 | 2021 |
| 37 | Sweden | 30.3431933897672 | 2021 |
| 38 | Russian Federation | 30.2061910855743 | 2021 |
| 39 | Cambodia | 30.1673071227448 | 2021 |
| 40 | Germany | 29.6049472535525 | 2021 |
| 41 | Israel | 29.5852884711479 | 2021 |
| 42 | Czechia | 29.4891666129401 | 2021 |
| 43 | Netherlands | 29.2877471750257 | 2021 |
| 44 | Dominican Republic | 29.253443873315 | 2021 |
| 45 | Morocco | 29.2156487755407 | 2021 |
| 46 | Kazakhstan | 29.1150621370544 | 2021 |
| 47 | Samoa | 28.8296467488021 | 2021 |
| 48 | Thailand | 28.7862477361493 | 2021 |
| 49 | Austria | 28.1437494939299 | 2021 |
| 50 | Hungary | 27.3670827423218 | 2021 |
| 51 | Belize | 27.1205923897068 | 2021 |
| 52 | Japan | 27.078624514806 | 2021 |
| 53 | Hong Kong SAR, China | 26.9862779513089 | 2021 |
| 54 | Malaysia | 26.78839511134 | 2021 |
| 55 | Kosovo | 26.7123337320312 | 2021 |
| 56 | Slovenia | 26.2549818914097 | 2021 |
| 57 | Belgium | 26.1933834655321 | 2021 |
| 58 | Australia | 26.0642391048845 | 2021 |
| 59 | Ecuador | 25.8104186595095 | 2021 |
| 60 | Congo, Dem. Rep. | 25.528686755533 | 2021 |
| 61 | Ethiopia | 25.2286794342964 | 2021 |
| 62 | Finland | 24.8192556874358 | 2021 |
| 63 | Croatia | 24.6206021450804 | 2021 |
| 64 | Mexico | 24.1784165971384 | 2021 |
| 65 | Paraguay | 23.9573983464137 | 2021 |
| 66 | Mongolia | 23.7613865386431 | 2021 |
| 67 | France | 23.6676820530824 | 2021 |
| 68 | Botswana | 23.1062510301427 | 2021 |
| 69 | Canada | 23.0901565625625 | 2021 |
| 70 | Italy | 22.6984322778241 | 2021 |
| 71 | Ghana | 22.3019701606234 | 2021 |
| 72 | Peru | 22.2200348283519 | 2021 |
| 73 | Serbia | 22.0786745762278 | 2021 |
| 74 | Argentina | 21.9951323120705 | 2021 |
| 75 | Latvia | 21.9838690638958 | 2021 |
| 76 | Kyrgyz Republic | 21.9175969672539 | 2021 |
| 77 | Bulgaria | 21.8841660404854 | 2021 |
| 78 | Spain | 21.6770917659205 | 2021 |
| 79 | Nicaragua | 21.6450123282226 | 2021 |
| 80 | Lithuania | 21.6316869277959 | 2021 |
| 81 | Bosnia and Herzegovina | 20.9300269367846 | 2021 |
| 82 | Honduras | 20.8535059056264 | 2021 |
| 83 | Poland | 20.438480673589 | 2021 |
| 84 | Eswatini | 19.9675335233837 | 2021 |
| 85 | Chile | 19.8824855375092 | 2021 |
| 86 | Guatemala | 19.6133494990497 | 2021 |
| 87 | Albania | 19.559687822402 | 2021 |
| 88 | Philippines | 19.5193767614988 | 2021 |
| 89 | Portugal | 19.385335513048 | 2021 |
| 90 | Romania | 19.3303863019648 | 2021 |
| 91 | Slovak Republic | 19.2819637152013 | 2021 |
| 92 | Oman | 18.825744061281 | 2021 |
| 93 | New Zealand | 18.7950949703941 | 2021 |
| 94 | El Salvador | 18.1496991133682 | 2021 |
| 95 | Brazil | 17.9318216698343 | 2021 |
| 96 | Uruguay | 17.8714176064947 | 2021 |
| 97 | United States | 17.8684287109944 | 2021 |
| 98 | Montenegro | 17.1007865289626 | 2021 |
| 99 | Armenia | 16.9699550572336 | 2021 |
| 100 | Costa Rica | 16.7834159908133 | 2021 |
| 101 | Kenya | 16.6608068539816 | 2021 |
| 102 | South Africa | 16.4998763453432 | 2021 |
| 103 | Moldova | 16.4063986704089 | 2021 |
| 104 | United Kingdom | 16.0154692584177 | 2021 |
| 105 | Iceland | 15.9726113640499 | 2021 |
| 106 | West Bank and Gaza | 15.9428264252591 | 2021 |
| 107 | Rwanda | 15.6702521954364 | 2021 |
| 108 | Aruba | 15.4157755415471 | 2021 |
| 109 | Mozambique | 15.2120251595569 | 2021 |
| 110 | Haiti | 14.8949629969484 | 2021 |
| 111 | Cameroon | 14.4120692465625 | 2021 |
| 112 | Bhutan | 14.311317652591 | 2021 |
| 113 | Bolivia | 14.2330908387963 | 2021 |
| 114 | Pakistan | 14.1015137625599 | 2021 |
| 115 | Comoros | 13.9184442928206 | 2021 |
| 116 | Colombia | 13.7722882025239 | 2021 |
| 117 | Ukraine | 12.8013546119934 | 2021 |
| 118 | Cyprus | 12.4112855871925 | 2021 |
| 119 | Greece | 10.7115839812931 | 2021 |
| 120 | Uganda | 10.1481231616077 | 2021 |
| 121 | Georgia | 9.18964631395544 | 2021 |
| 122 | Madagascar | 8.90633129940501 | 2021 |
| 123 | Mauritius | 8.36448810874769 | 2021 |
| 124 | Jordan | 8.32956825637274 | 2021 |
| 125 | Tunisia | 8.21713882360521 | 2021 |
| 126 | Bahamas, The | 7.94487619090352 | 2021 |
| 127 | Egypt, Arab Rep. | 7.93672882697374 | 2021 |
| 128 | Seychelles | 7.40667634126601 | 2021 |
| 129 | Namibia | 7.27707379447278 | 2021 |
| 130 | Sudan | 6.98515211969437 | 2021 |
| 131 | Tonga | 4.32298521949289 | 2021 |
| 132 | Guinea | 2.1622698944408 | 2021 |
| 133 | Lebanon | -2.93954237978047 | 2021 |
| 134 | Timor-Leste | -10.7855904262984 | 2021 |