| Code | Country | Variable | www.Worldata.org ® © | Unit | Share | Rank | Year | Source | Key |
| 1 | Afghanistan | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 89 | ||
| 2 | Albania | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 145 | |
| 3 | Algeria | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 1 | |
| 4 | Andorra | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 146 | ||
| 5 | Angola | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 2 | |
| 6 | Antigua and Barbuda | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 54 | |
| 7 | Argentina | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 55 | |
| 8 | Armenia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 147 | |
| 9 | Australia | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 131 | |
| 10 | Austria | IGOs headquarters | 4 | IGOs | 1.66% | 2000 | YIO (2002) | 148 | |
| 11 | Azerbaijan | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 149 | |
| 12 | Bahamas | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 56 | |
| 13 | Bahrain | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 90 | |
| 14 | Bangladesh | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 91 | |
| 15 | Barbados | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 57 | |
| 16 | Belarus | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 150 | |
| 17 | Belgium | IGOs headquarters | 11 | IGOs | 4.56% | 2000 | YIO (2002) | 151 | |
| 18 | Belize | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 58 | |
| 19 | Benin | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 3 | |
| 20 | Bhutan | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 92 | ||
| 21 | Bolivia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 59 | |
| 22 | Bosnia and Herzegovina | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 152 | |
| 23 | Botswana | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 4 | |
| 24 | Brazil | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 60 | |
| 25 | Brunei | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 93 | |
| 26 | Bulgaria | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 153 | |
| 27 | Burkina Faso | IGOs headquarters | 4 | IGOs | 1.66% | 2000 | YIO (2002) | 5 | |
| 28 | Burundi | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 6 | |
| 29 | Cambodia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 94 | |
| 30 | Cameroon | IGOs headquarters | 4 | IGOs | 1.66% | 2000 | YIO (2002) | 7 | |
| 31 | Canada | IGOs headquarters | 5 | IGOs | 2.07% | 2000 | YIO (2002) | 61 | |
| 32 | Cape Verde | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 8 | ||
| 33 | Central African Republic | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 9 | |
| 34 | Chad | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 10 | |
| 35 | Chile | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 62 | |
| 36 | China | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 95 | |
| 37 | Colombia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 63 | |
| 38 | Comoros | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 11 | ||
| 39 | Congo (Brazzaville) | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 12 | |
| 40 | Congo (Kinshasa) | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 13 | |
| 41 | Costa Rica | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 64 | |
| 42 | Côte d'Ivoire | IGOs headquarters | 3 | IGOs | 1.24% | 2000 | YIO (2002) | 14 | |
| 43 | Croatia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 154 | |
| 44 | Cuba | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 65 | |
| 45 | Cyprus | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 155 | |
| 46 | Czech Republic | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 156 | |
| 47 | Denmark | IGOs headquarters | 8 | IGOs | 3.32% | 2000 | YIO (2002) | 157 | |
| 48 | Djibouti | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 15 | |
| 49 | Dominica | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 66 | |
| 50 | Dominican Republic | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 67 | |
| 51 | East Timor | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 96 | ||
| 52 | Ecuador | IGOs headquarters | 3 | IGOs | 1.24% | 2000 | YIO (2002) | 68 | |
| 53 | Egypt | IGOs headquarters | 8 | IGOs | 3.32% | 2000 | YIO (2002) | 16 | |
| 54 | El Salvador | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 69 | |
| 55 | Equatorial Guinea | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 17 | ||
| 56 | Eritrea | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 18 | ||
| 57 | Estonia | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 158 | |
| 58 | Ethiopia | IGOs headquarters | 3 | IGOs | 1.24% | 2000 | YIO (2002) | 19 | |
| 59 | Fiji Islands | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 132 | |
| 60 | Finland | IGOs headquarters | 4 | IGOs | 1.66% | 2000 | YIO (2002) | 159 | |
| 61 | France | IGOs headquarters | 19 | IGOs | 7.88% | 2000 | YIO (2002) | 160 | |
| 62 | Gabon | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 20 | |
| 63 | Gambia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 21 | |
| 64 | Georgia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 161 | |
| 65 | Germany | IGOs headquarters | 4 | IGOs | 1.66% | 2000 | YIO (2002) | 162 | |
| 66 | Ghana | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 22 | |
| 67 | Greece | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 163 | |
| 68 | Grenada | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 70 | ||
| 69 | Guatemala | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 71 | |
| 70 | Guinea | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 23 | |
| 71 | Guinea-Bissau | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 24 | ||
| 72 | Guyana | IGOs headquarters | 3 | IGOs | 1.24% | 2000 | YIO (2002) | 72 | |
| 73 | Haiti | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 73 | ||
| 74 | Honduras | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 74 | |
| 75 | Hungary | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 164 | |
| 76 | Iceland | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 165 | |
| 77 | India | IGOs headquarters | 3 | IGOs | 1.24% | 2000 | YIO (2002) | 97 | |
| 78 | Indonesia | IGOs headquarters | 3 | IGOs | 1.24% | 2000 | YIO (2002) | 98 | |
| 79 | Iran | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 99 | |
| 80 | Iraq | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 100 | |
| 81 | Ireland | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 166 | |
| 82 | Israel | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 101 | |
| 83 | Italy | IGOs headquarters | 3 | IGOs | 1.24% | 2000 | YIO (2002) | 167 | |
| 84 | Jamaica | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 75 | |
| 85 | Japan | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 102 | |
| 86 | Jordan | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 103 | |
| 87 | Kazakhstan | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 104 | |
| 88 | Kenya | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 25 | |
| 89 | Kiribati | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 133 | ||
| 90 | Korea, North | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 105 | ||
| 91 | Korea, South | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 106 | |
| 92 | Kuwait | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 107 | |
| 93 | Kyrgyzstan | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 108 | |
| 94 | Laos | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 109 | |
| 95 | Latvia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 168 | |
| 96 | Lebanon | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 110 | |
| 97 | Lesotho | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 26 | |
| 98 | Liberia | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 27 | ||
| 99 | Libya | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 28 | |
| 100 | Liechtenstein | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 169 | |
| 101 | Lithuania | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 170 | |
| 102 | Luxembourg | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 171 | |
| 103 | Macedonia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 172 | |
| 104 | Madagascar | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 29 | |
| 105 | Malawi | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 30 | |
| 106 | Malaysia | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 111 | |
| 107 | Maldives | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 112 | ||
| 108 | Mali | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 31 | |
| 109 | Malta | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 173 | |
| 110 | Marshall Islands | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 134 | ||
| 111 | Mauritania | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 32 | |
| 112 | Mauritius | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 33 | |
| 113 | Mexico | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 76 | |
| 114 | Micronesia, Federated States of | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 135 | |
| 115 | Moldova | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 174 | |
| 116 | Monaco | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 175 | |
| 117 | Mongolia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 113 | |
| 118 | Morocco | IGOs headquarters | 4 | IGOs | 1.66% | 2000 | YIO (2002) | 34 | |
| 119 | Mozambique | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 35 | |
| 120 | Myanmar | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 114 | ||
| 121 | Namibia | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 36 | |
| 122 | Nauru | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 136 | |
| 123 | Nepal | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 115 | |
| 124 | Netherlands | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 176 | |
| 125 | New Zealand | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 137 | |
| 126 | Nicaragua | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 77 | |
| 127 | Niger | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 37 | |
| 128 | Nigeria | IGOs headquarters | 3 | IGOs | 1.24% | 2000 | YIO (2002) | 38 | |
| 129 | Norway | IGOs headquarters | 4 | IGOs | 1.66% | 2000 | YIO (2002) | 177 | |
| 130 | Oman | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 116 | |
| 131 | Pakistan | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 117 | |
| 132 | Palau | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 138 | ||
| 133 | Panama | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 78 | |
| 134 | Papua New Guinea | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 139 | |
| 135 | Paraguay | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 79 | |
| 136 | Peru | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 80 | |
| 137 | Philippines | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 118 | |
| 138 | Poland | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 178 | |
| 139 | Portugal | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 179 | |
| 140 | Qatar | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 119 | |
| 141 | Romania | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 180 | |
| 142 | Russia | IGOs headquarters | 6 | IGOs | 2.49% | 2000 | YIO (2002) | 181 | |
| 143 | Rwanda | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 39 | |
| 144 | Saint Kitts and Nevis | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 81 | |
| 145 | Saint Lucia | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 82 | |
| 146 | Saint Vincent and the Grenadines | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 83 | |
| 147 | Samoa | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 140 | |
| 148 | San Marino | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 182 | |
| 149 | Sao Tome and Principe | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 40 | ||
| 150 | Saudi Arabia | IGOs headquarters | 5 | IGOs | 2.07% | 2000 | YIO (2002) | 120 | |
| 151 | Senegal | IGOs headquarters | 4 | IGOs | 1.66% | 2000 | YIO (2002) | 41 | |
| 152 | Seychelles | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 42 | |
| 153 | Sierra Leone | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 43 | |
| 154 | Singapore | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 121 | |
| 155 | Slovakia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 183 | |
| 156 | Slovenia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 184 | |
| 157 | Solomon Islands | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 141 | |
| 158 | Somalia | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 44 | ||
| 159 | South Africa | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 45 | |
| 160 | Spain | IGOs headquarters | 6 | IGOs | 2.49% | 2000 | YIO (2002) | 185 | |
| 161 | Sri Lanka | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 122 | |
| 162 | Sudan | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 46 | |
| 163 | Suriname | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 84 | ||
| 164 | Swaziland | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 47 | |
| 165 | Sweden | IGOs headquarters | 6 | IGOs | 2.49% | 2000 | YIO (2002) | 186 | |
| 166 | Switzerland | IGOs headquarters | 12 | IGOs | 4.98% | 2000 | YIO (2002) | 187 | |
| 167 | Syria | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 123 | |
| 168 | Tajikistan | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 124 | ||
| 169 | Tanzania | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 48 | |
| 170 | Thailand | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 125 | |
| 171 | Togo | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 49 | |
| 172 | Tonga | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 142 | |
| 173 | Trinidad and Tobago | IGOs headquarters | 4 | IGOs | 1.66% | 2000 | YIO (2002) | 85 | |
| 174 | Tunisia | IGOs headquarters | 3 | IGOs | 1.24% | 2000 | YIO (2002) | 50 | |
| 175 | Turkey | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 188 | |
| 176 | Turkmenistan | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 126 | ||
| 177 | Tuvalu | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 143 | ||
| 178 | Uganda | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 51 | |
| 179 | Ukraine | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 189 | |
| 180 | United Arab Emirates (UAE) | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 127 | |
| 181 | United Kingdom (UK) | IGOs headquarters | 14 | IGOs | 5.81% | 2000 | YIO (2002) | 190 | |
| 182 | United States of America (USA) | IGOs headquarters | 7 | IGOs | 2.90% | 2000 | YIO (2002) | 86 | |
| 183 | Uruguay | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 87 | |
| 184 | Uzbekistan | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 128 | |
| 185 | Vanuatu | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 144 | |
| 186 | Vatican | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 191 | |
| 187 | Venezuela | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 88 | |
| 188 | Vietnam | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 129 | |
| 189 | Yemen | IGOs headquarters | na | IGOs | 2000 | YIO (2002) | 130 | ||
| 190 | Yugoslavia | IGOs headquarters | 0 | IGOs | 0.00% | 2000 | YIO (2002) | 192 | |
| 191 | Zambia | IGOs headquarters | 1 | IGOs | 0.41% | 2000 | YIO (2002) | 52 | |
| 192 | Zimbabwe | IGOs headquarters | 2 | IGOs | 0.83% | 2000 | YIO (2002) | 53 | |
| 193 | World | IGOs headquarters | 241 | IGOs | 100.00% | 2000 | YIO (2002) | 193 |