| Code | Country | Variable | www.Worldata.org ® © | Source |
| 1 | Afghanistan | Country code | AF | ISO 3166 |
| 2 | Albania | Country code | AL | ISO 3166 |
| 3 | Algeria | Country code | DZ | ISO 3166 |
| 4 | Andorra | Country code | AD | ISO 3166 |
| 5 | Angola | Country code | AO | ISO 3166 |
| 6 | Antigua and Barbuda | Country code | AG | ISO 3166 |
| 7 | Argentina | Country code | AR | ISO 3166 |
| 8 | Armenia | Country code | AM | ISO 3166 |
| 9 | Australia | Country code | AU | ISO 3166 |
| 10 | Austria | Country code | AT | ISO 3166 |
| 11 | Azerbaijan | Country code | AZ | ISO 3166 |
| 12 | Bahamas | Country code | BS | ISO 3166 |
| 13 | Bahrain | Country code | BH | ISO 3166 |
| 14 | Bangladesh | Country code | BD | ISO 3166 |
| 15 | Barbados | Country code | BB | ISO 3166 |
| 16 | Belarus | Country code | BY | ISO 3166 |
| 17 | Belgium | Country code | BE | ISO 3166 |
| 18 | Belize | Country code | BZ | ISO 3166 |
| 19 | Benin | Country code | BJ | ISO 3166 |
| 20 | Bhutan | Country code | BT | ISO 3166 |
| 21 | Bolivia | Country code | BO | ISO 3166 |
| 22 | Bosnia and Herzegovina | Country code | BA | ISO 3166 |
| 23 | Botswana | Country code | BW | ISO 3166 |
| 24 | Brazil | Country code | BR | ISO 3166 |
| 25 | Brunei | Country code | BN | ISO 3166 |
| 26 | Bulgaria | Country code | BG | ISO 3166 |
| 27 | Burkina Faso | Country code | BF | ISO 3166 |
| 28 | Burundi | Country code | BI | ISO 3166 |
| 29 | Cambodia | Country code | KH | ISO 3166 |
| 30 | Cameroon | Country code | CM | ISO 3166 |
| 31 | Canada | Country code | CA | ISO 3166 |
| 32 | Cape Verde | Country code | CV | ISO 3166 |
| 33 | Central African Republic | Country code | CF | ISO 3166 |
| 34 | Chad | Country code | TD | ISO 3166 |
| 35 | Chile | Country code | CL | ISO 3166 |
| 36 | China | Country code | CN | ISO 3166 |
| 37 | Colombia | Country code | CO | ISO 3166 |
| 38 | Comoros | Country code | KM | ISO 3166 |
| 39 | Congo (Brazzaville) | Country code | CG | ISO 3166 |
| 40 | Congo (Kinshasa) | Country code | ZR | ISO 3166 |
| 41 | Costa Rica | Country code | CR | ISO 3166 |
| 42 | Côte d'Ivoire | Country code | CI | ISO 3166 |
| 43 | Croatia | Country code | HR | ISO 3166 |
| 44 | Cuba | Country code | CU | ISO 3166 |
| 45 | Cyprus | Country code | CY | ISO 3166 |
| 46 | Czech Republic | Country code | CZ | ISO 3166 |
| 47 | Denmark | Country code | DK | ISO 3166 |
| 48 | Djibouti | Country code | DJ | ISO 3166 |
| 49 | Dominica | Country code | DO | ISO 3166 |
| 50 | Dominican Republic | Country code | DM | ISO 3166 |
| 51 | East Timor | Country code | TP | ISO 3166 |
| 52 | Ecuador | Country code | EC | ISO 3166 |
| 53 | Egypt | Country code | EG | ISO 3166 |
| 54 | El Salvador | Country code | SV | ISO 3166 |
| 55 | Equatorial Guinea | Country code | GQ | ISO 3166 |
| 56 | Eritrea | Country code | ER | ISO 3166 |
| 57 | Estonia | Country code | EE | ISO 3166 |
| 58 | Ethiopia | Country code | ET | ISO 3166 |
| 59 | Fiji Islands | Country code | FJ | ISO 3166 |
| 60 | Finland | Country code | FI | ISO 3166 |
| 61 | France | Country code | FR | ISO 3166 |
| 62 | Gabon | Country code | GA | ISO 3166 |
| 63 | Gambia | Country code | GM | ISO 3166 |
| 64 | Georgia | Country code | GE | ISO 3166 |
| 65 | Germany | Country code | DE | ISO 3166 |
| 66 | Ghana | Country code | GH | ISO 3166 |
| 67 | Greece | Country code | GR | ISO 3166 |
| 68 | Grenada | Country code | GD | ISO 3166 |
| 69 | Guatemala | Country code | GT | ISO 3166 |
| 70 | Guinea | Country code | GN | ISO 3166 |
| 71 | Guinea-Bissau | Country code | GW | ISO 3166 |
| 72 | Guyana | Country code | GY | ISO 3166 |
| 73 | Haiti | Country code | HT | ISO 3166 |
| 74 | Honduras | Country code | HN | ISO 3166 |
| 75 | Hungary | Country code | HU | ISO 3166 |
| 76 | Iceland | Country code | IS | ISO 3166 |
| 77 | India | Country code | IN | ISO 3166 |
| 78 | Indonesia | Country code | ID | ISO 3166 |
| 79 | Iran | Country code | IR | ISO 3166 |
| 80 | Iraq | Country code | IQ | ISO 3166 |
| 81 | Ireland | Country code | IE | ISO 3166 |
| 82 | Israel | Country code | IL | ISO 3166 |
| 83 | Italy | Country code | IT | ISO 3166 |
| 84 | Jamaica | Country code | JM | ISO 3166 |
| 85 | Japan | Country code | JP | ISO 3166 |
| 86 | Jordan | Country code | JO | ISO 3166 |
| 87 | Kazakhstan | Country code | KZ | ISO 3166 |
| 88 | Kenya | Country code | KE | ISO 3166 |
| 89 | Kiribati | Country code | KI | ISO 3166 |
| 90 | Korea, North | Country code | KP | ISO 3166 |
| 91 | Korea, South | Country code | KR | ISO 3166 |
| 92 | Kuwait | Country code | KW | ISO 3166 |
| 93 | Kyrgyzstan | Country code | KG | ISO 3166 |
| 94 | Laos | Country code | LA | ISO 3166 |
| 95 | Latvia | Country code | LV | ISO 3166 |
| 96 | Lebanon | Country code | LB | ISO 3166 |
| 97 | Lesotho | Country code | LS | ISO 3166 |
| 98 | Liberia | Country code | LR | ISO 3166 |
| 99 | Libya | Country code | LY | ISO 3166 |
| 100 | Liechtenstein | Country code | LI | ISO 3166 |
| 101 | Lithuania | Country code | LT | ISO 3166 |
| 102 | Luxembourg | Country code | LU | ISO 3166 |
| 103 | Macedonia | Country code | MK | ISO 3166 |
| 104 | Madagascar | Country code | MG | ISO 3166 |
| 105 | Malawi | Country code | MW | ISO 3166 |
| 106 | Malaysia | Country code | MY | ISO 3166 |
| 107 | Maldives | Country code | MV | ISO 3166 |
| 108 | Mali | Country code | ML | ISO 3166 |
| 109 | Malta | Country code | MT | ISO 3166 |
| 110 | Marshall Islands | Country code | MH | ISO 3166 |
| 111 | Mauritania | Country code | MR | ISO 3166 |
| 112 | Mauritius | Country code | MU | ISO 3166 |
| 113 | Mexico | Country code | MX | ISO 3166 |
| 114 | Micronesia, Federated States of | Country code | FM | ISO 3166 |
| 115 | Moldova | Country code | MD | ISO 3166 |
| 116 | Monaco | Country code | MC | ISO 3166 |
| 117 | Mongolia | Country code | MN | ISO 3166 |
| 118 | Morocco | Country code | MA | ISO 3166 |
| 119 | Mozambique | Country code | MZ | ISO 3166 |
| 120 | Myanmar | Country code | MM | ISO 3166 |
| 121 | Namibia | Country code | NA | ISO 3166 |
| 122 | Nauru | Country code | NR | ISO 3166 |
| 123 | Nepal | Country code | NP | ISO 3166 |
| 124 | Netherlands | Country code | NL | ISO 3166 |
| 125 | New Zealand | Country code | NZ | ISO 3166 |
| 126 | Nicaragua | Country code | NI | ISO 3166 |
| 127 | Niger | Country code | NE | ISO 3166 |
| 128 | Nigeria | Country code | NG | ISO 3166 |
| 129 | Norway | Country code | NO | ISO 3166 |
| 130 | Oman | Country code | OM | ISO 3166 |
| 131 | Pakistan | Country code | PK | ISO 3166 |
| 132 | Palau | Country code | PW | ISO 3166 |
| 133 | Panama | Country code | PA | ISO 3166 |
| 134 | Papua New Guinea | Country code | PG | ISO 3166 |
| 135 | Paraguay | Country code | PY | ISO 3166 |
| 136 | Peru | Country code | PE | ISO 3166 |
| 137 | Philippines | Country code | PH | ISO 3166 |
| 138 | Poland | Country code | PL | ISO 3166 |
| 139 | Portugal | Country code | PT | ISO 3166 |
| 140 | Qatar | Country code | QA | ISO 3166 |
| 141 | Romania | Country code | RO | ISO 3166 |
| 142 | Russia | Country code | RU | ISO 3166 |
| 143 | Rwanda | Country code | RW | ISO 3166 |
| 144 | Saint Kitts and Nevis | Country code | KN | ISO 3166 |
| 145 | Saint Lucia | Country code | LC | ISO 3166 |
| 146 | Saint Vincent and the Grenadines | Country code | VC | ISO 3166 |
| 147 | Samoa | Country code | WS | ISO 3166 |
| 148 | San Marino | Country code | SM | ISO 3166 |
| 149 | Sao Tome and Principe | Country code | ST | ISO 3166 |
| 150 | Saudi Arabia | Country code | SA | ISO 3166 |
| 151 | Senegal | Country code | SN | ISO 3166 |
| 152 | Seychelles | Country code | SC | ISO 3166 |
| 153 | Sierra Leone | Country code | SL | ISO 3166 |
| 154 | Singapore | Country code | SG | ISO 3166 |
| 155 | Slovakia | Country code | SK | ISO 3166 |
| 156 | Slovenia | Country code | SI | ISO 3166 |
| 157 | Solomon Islands | Country code | SB | ISO 3166 |
| 158 | Somalia | Country code | SO | ISO 3166 |
| 159 | South Africa | Country code | ZA | ISO 3166 |
| 160 | Spain | Country code | ES | ISO 3166 |
| 161 | Sri Lanka | Country code | LK | ISO 3166 |
| 162 | Sudan | Country code | SD | ISO 3166 |
| 163 | Suriname | Country code | SR | ISO 3166 |
| 164 | Swaziland | Country code | SZ | ISO 3166 |
| 165 | Sweden | Country code | SE | ISO 3166 |
| 166 | Switzerland | Country code | CH | ISO 3166 |
| 167 | Syria | Country code | SY | ISO 3166 |
| 168 | Tajikistan | Country code | TJ | ISO 3166 |
| 169 | Tanzania | Country code | TZ | ISO 3166 |
| 170 | Thailand | Country code | TH | ISO 3166 |
| 171 | Togo | Country code | TG | ISO 3166 |
| 172 | Tonga | Country code | TO | ISO 3166 |
| 173 | Trinidad and Tobago | Country code | TT | ISO 3166 |
| 174 | Tunisia | Country code | TN | ISO 3166 |
| 175 | Turkey | Country code | TR | ISO 3166 |
| 176 | Turkmenistan | Country code | TM | ISO 3166 |
| 177 | Tuvalu | Country code | TV | ISO 3166 |
| 178 | Uganda | Country code | UG | ISO 3166 |
| 179 | Ukraine | Country code | UA | ISO 3166 |
| 180 | United Arab Emirates (UAE) | Country code | AE | ISO 3166 |
| 181 | United Kingdom (UK) | Country code | GB | ISO 3166 |
| 182 | United States of America (USA) | Country code | US | ISO 3166 |
| 183 | Uruguay | Country code | UY | ISO 3166 |
| 184 | Uzbekistan | Country code | UZ | ISO 3166 |
| 185 | Vanuatu | Country code | VU | ISO 3166 |
| 186 | Vatican | Country code | VA | ISO 3166 |
| 187 | Venezuela | Country code | VE | ISO 3166 |
| 188 | Vietnam | Country code | VN | ISO 3166 |
| 189 | Yemen | Country code | YE | ISO 3166 |
| 190 | Yugoslavia | Country code | YU | ISO 3166 |
| 191 | Zambia | Country code | ZR | ISO 3166 |
| 192 | Zimbabwe | Country code | ZW | ISO 3166 |
| 193 | World | Country code | na | ISO 3166 |