| # | Flag | Country | Burden of customs procedure, WEF (1=extremely inefficient to 7=extremely efficient)Burden of customs procedure, WEF (1=extremely inefficient to 7=extremely efficient) | Year |
|---|---|---|---|---|
| 1 | Singapore | 6.0 | 2017 | |
| 2 | Finland | 6.0 | 2017 | |
| 3 | Hong Kong | 6.0 | 2017 | |
| 4 | United Arab Emirates | 6.0 | 2017 | |
| 5 | Belgium | 5.0 | 2017 | |
| 6 | Hungary | 5.0 | 2017 | |
| 7 | Estonia | 5.0 | 2017 | |
| 8 | Guinea | 5.0 | 2017 | |
| 9 | Rwanda | 5.0 | 2017 | |
| 10 | Georgia | 5.0 | 2017 | |
| 11 | Qatar | 5.0 | 2017 | |
| 12 | United Kingdom | 5.0 | 2017 | |
| 13 | Bahrain | 5.0 | 2017 | |
| 14 | Portugal | 5.0 | 2017 | |
| 15 | Puerto Rico | 5.0 | 2014 | |
| 16 | Slovenia | 5.0 | 2017 | |
| 17 | New Zealand | 5.0 | 2017 | |
| 18 | Norway | 5.0 | 2017 | |
| 19 | Austria | 5.0 | 2017 | |
| 20 | Australia | 5.0 | 2017 | |
| 21 | Netherlands | 5.0 | 2017 | |
| 22 | Canada | 5.0 | 2017 | |
| 23 | Malaysia | 5.0 | 2017 | |
| 24 | Switzerland | 5.0 | 2017 | |
| 25 | United States | 5.0 | 2017 | |
| 26 | Chile | 5.0 | 2017 | |
| 27 | Luxembourg | 5.0 | 2017 | |
| 28 | Japan | 5.0 | 2017 | |
| 29 | Iceland | 5.0 | 2017 | |
| 30 | Republic of Ireland | 5.0 | 2017 | |
| 31 | Sweden | 5.0 | 2017 | |
| 32 | Germany | 5.0 | 2017 | |
| 33 | Denmark | 5.0 | 2017 | |
| 34 | Swaziland | 4.0 | 2017 | |
| 35 | Albania | 4.0 | 2017 | |
| 36 | Azerbaijan | 4.0 | 2017 | |
| 37 | Barbados | 4.0 | 2014 | |
| 38 | Brunei | 4.0 | 2017 | |
| 39 | Bhutan | 4.0 | 2017 | |
| 40 | Botswana | 4.0 | 2017 | |
| 41 | Ivory Coast | 4.0 | 2016 | |
| 42 | China | 4.0 | 2017 | |
| 43 | Cyprus | 4.0 | 2017 | |
| 44 | Czech Republic | 4.0 | 2017 | |
| 45 | Dominican Republic | 4.0 | 2017 | |
| 46 | Spain | 4.0 | 2017 | |
| 47 | France | 4.0 | 2017 | |
| 48 | Gambia | 4.0 | 2017 | |
| 49 | Greece | 4.0 | 2017 | |
| 50 | Croatia | 4.0 | 2017 | |
| 51 | Indonesia | 4.0 | 2017 | |
| 52 | Israel | 4.0 | 2017 | |
| 53 | India | 4.0 | 2017 | |
| 54 | Italy | 4.0 | 2017 | |
| 55 | Jamaica | 4.0 | 2017 | |
| 56 | Jordan | 4.0 | 2017 | |
| 57 | Kenya | 4.0 | 2017 | |
| 58 | South Korea | 4.0 | 2017 | |
| 59 | Lithuania | 4.0 | 2017 | |
| 60 | Latvia | 4.0 | 2017 | |
| 61 | Morocco | 4.0 | 2017 | |
| 62 | Montenegro | 4.0 | 2017 | |
| 63 | Republic of Macedonia | 4.0 | 2016 | |
| 64 | Malta | 4.0 | 2017 | |
| 65 | Mauritius | 4.0 | 2017 | |
| 66 | Mexico | 4.0 | 2017 | |
| 67 | Namibia | 4.0 | 2017 | |
| 68 | Oman | 4.0 | 2017 | |
| 69 | Panama | 4.0 | 2017 | |
| 70 | Peru | 4.0 | 2017 | |
| 71 | Poland | 4.0 | 2017 | |
| 72 | Romania | 4.0 | 2017 | |
| 73 | Russia | 4.0 | 2017 | |
| 74 | Saudi Arabia | 4.0 | 2017 | |
| 75 | Slovakia | 4.0 | 2017 | |
| 76 | Senegal | 4.0 | 2017 | |
| 77 | Thailand | 4.0 | 2017 | |
| 78 | Tajikistan | 4.0 | 2017 | |
| 79 | Uganda | 4.0 | 2017 | |
| 80 | Uruguay | 4.0 | 2017 | |
| 81 | South Africa | 4.0 | 2017 | |
| 82 | Iran | 3.0 | 2017 | |
| 83 | Cameroon | 3.0 | 2017 | |
| 84 | Suriname | 3.0 | 2014 | |
| 85 | Costa Rica | 3.0 | 2017 | |
| 86 | Bangladesh | 3.0 | 2017 | |
| 87 | Bosnia and Herzegovina | 3.0 | 2017 | |
| 88 | Colombia | 3.0 | 2017 | |
| 89 | Zambia | 3.0 | 2017 | |
| 90 | Kyrgyzstan | 3.0 | 2017 | |
| 91 | Sierra Leone | 3.0 | 2017 | |
| 92 | Kuwait | 3.0 | 2017 | |
| 93 | Kazakhstan | 3.0 | 2017 | |
| 94 | Laos | 3.0 | 2017 | |
| 95 | Lebanon | 3.0 | 2017 | |
| 96 | Sri Lanka | 3.0 | 2017 | |
| 97 | Liberia | 3.0 | 2017 | |
| 98 | Lesotho | 3.0 | 2017 | |
| 99 | Moldova | 3.0 | 2017 | |
| 100 | Madagascar | 3.0 | 2017 | |
| 101 | Mali | 3.0 | 2017 | |
| 102 | Myanmar | 3.0 | 2016 | |
| 103 | Mongolia | 3.0 | 2017 | |
| 104 | Vietnam | 3.0 | 2017 | |
| 105 | Malawi | 3.0 | 2017 | |
| 106 | Democratic Republic Of Congo | 3.0 | 2017 | |
| 107 | Mozambique | 3.0 | 2017 | |
| 108 | East Timor | 3.0 | 2014 | |
| 109 | Belize | 3.0 | 2011 | |
| 110 | Brazil | 3.0 | 2017 | |
| 111 | Nepal | 3.0 | 2017 | |
| 112 | Bolivia | 3.0 | 2016 | |
| 113 | Tunisia | 3.0 | 2017 | |
| 114 | Turkey | 3.0 | 2017 | |
| 115 | Trinidad and Tobago | 3.0 | 2017 | |
| 116 | Philippines | 3.0 | 2017 | |
| 117 | Pakistan | 3.0 | 2017 | |
| 118 | Tanzania | 3.0 | 2017 | |
| 119 | Benin | 3.0 | 2017 | |
| 120 | Burundi | 3.0 | 2017 | |
| 121 | Paraguay | 3.0 | 2017 | |
| 122 | Bulgaria | 3.0 | 2017 | |
| 123 | Gabon | 3.0 | 2016 | |
| 124 | Ethiopia | 3.0 | 2017 | |
| 125 | Ghana | 3.0 | 2017 | |
| 126 | Ukraine | 3.0 | 2017 | |
| 127 | Egypt | 3.0 | 2017 | |
| 128 | Serbia | 3.0 | 2017 | |
| 129 | Guatemala | 3.0 | 2017 | |
| 130 | Guyana | 3.0 | 2016 | |
| 131 | Ecuador | 3.0 | 2017 | |
| 132 | Honduras | 3.0 | 2017 | |
| 133 | Algeria | 3.0 | 2017 | |
| 134 | Burkina Faso | 3.0 | 2014 | |
| 135 | Cape Verde | 3.0 | 2017 | |
| 136 | Armenia | 3.0 | 2017 | |
| 137 | Seychelles | 3.0 | 2017 | |
| 138 | Yemen | 2.0 | 2017 | |
| 139 | El Salvador | 2.0 | 2017 | |
| 140 | Argentina | 2.0 | 2017 | |
| 141 | Syria | 2.0 | 2011 | |
| 142 | Venezuela | 2.0 | 2017 | |
| 143 | Libya | 2.0 | 2014 | |
| 144 | Zimbabwe | 2.0 | 2017 | |
| 145 | Nigeria | 2.0 | 2017 | |
| 146 | Nicaragua | 2.0 | 2017 | |
| 147 | Mauritania | 2.0 | 2017 | |
| 148 | Chad | 2.0 | 2017 | |
| 149 | Haiti | 2.0 | 2017 | |
| 150 | Cambodia | 2.0 | 2017 | |
| 151 | Angola | 1.0 | 2014 |