| Groups | ISO-2 Codes | % Correct | |
|---|---|---|---|
| Europe | Andorra | AD | 100%
|
| Asia | Afghanistan | AF | 100%
|
| Europe | Albania | AL | 100%
|
| Asia | Armenia | AM | 100%
|
| Europe | Austria | AT | 100%
|
| Asia | Azerbaijan | AZ | 100%
|
| Europe | Belgium | BE | 100%
|
| Europe | Bulgaria | BG | 100%
|
| Asia | Bahrain | BH | 100%
|
| Asia | Bhutan | BT | 100%
|
| Asia | Cyprus | CY | 100%
|
| Europe | Czech Republic | CZ | 100%
|
| Europe | Denmark | DK | 100%
|
| Europe | Spain | ES | 100%
|
| Europe | Finland | FI | 100%
|
| Europe | France | FR | 100%
|
| Asia | Georgia | GE | 100%
|
| Europe | Greece | GR | 100%
|
| Europe | Hungary | HU | 100%
|
| Asia | Indonesia | ID | 100%
|
| Asia | Israel | IL | 100%
|
| Asia | India | IN | 100%
|
| Asia | Iraq | IQ | 100%
|
| Asia | Iran | IR | 100%
|
| Europe | Italy | IT | 100%
|
| Asia | Jordan | JO | 100%
|
| Asia | Japan | JP | 100%
|
| Asia | Kyrgyzstan | KG | 100%
|
| Asia | Kuwait | KW | 100%
|
| Asia | Kazakhstan | KZ | 100%
|
| Asia | Laos | LA | 100%
|
| Asia | Lebanon | LB | 100%
|
| Europe | Liechtenstein | LI | 100%
|
| Europe | Lithuania | LT | 100%
|
| Europe | Luxembourg | LU | 100%
|
| Europe | Latvia | LV | 100%
|
| Europe | Monaco | MC | 100%
|
| Europe | Moldova | MD | 100%
|
| Asia | Myanmar | MM | 100%
|
| Europe | Malta | MT | 100%
|
| Asia | Malaysia | MY | 100%
|
| Europe | Netherlands | NL | 100%
|
| Europe | Norway | NO | 100%
|
| Asia | Nepal | NP | 100%
|
| Asia | Oman | OM | 100%
|
| Asia | Philippines | PH | 100%
|
| Asia | Pakistan | PK | 100%
|
| Europe | Poland | PL | 100%
|
| Europe | Portugal | PT | 100%
|
| Asia | Qatar | QA | 100%
|
| Europe | Romania | RO | 100%
|
| Europe | Russia | RU | 100%
|
| Asia | Saudi Arabia | SA | 100%
|
| Asia | Singapore | SG | 100%
|
| Europe | San Marino | SM | 100%
|
| Asia | Syria | SY | 100%
|
| Asia | Thailand | TH | 100%
|
| Asia | Tajikistan | TJ | 100%
|
| Asia | Taiwan | TW | 100%
|
| Asia | Uzbekistan | UZ | 100%
|
| Asia | Vietnam | VN | 100%
|
| Asia | Yemen | YE | 100%
|
| Asia | United Arab Emirates | AE | 92%
|
| Asia | Bangladesh | BD | 92%
|
| Africa | Burundi | BI | 92%
|
| Asia | Brunei | BN | 92%
|
| Africa | Cameroon | CM | 92%
|
| Africa | Cape Verde | CV | 92%
|
| Europe | Ireland | IE | 92%
|
| Asia | Mongolia | MN | 92%
|
| Europe | Sweden | SE | 92%
|
| Europe | Slovakia | SK | 92%
|
| Asia | East Timor | TL | 92%
|
| Asia | Turkey | TR | 92%
|
| Europe | Vatican City | VA | 92%
|
| North America | Antigua and Barbuda | AG | 83%
|
| South America | Argentina | AR | 83%
|
| Oceania | Australia | AU | 83%
|
| Africa | Burkina Faso | BF | 83%
|
| South America | Bolivia | BO | 83%
|
| South America | Brazil | BR | 83%
|
| Africa | Botswana | BW | 83%
|
| North America | Belize | BZ | 83%
|
| North America | Canada | CA | 83%
|
| Africa | Republic of the Congo | CG | 83%
|
| South America | Chile | CL | 83%
|
| Asia | China | CN | 83%
|
| South America | Colombia | CO | 83%
|
| North America | Costa Rica | CR | 83%
|
| North America | Cuba | CU | 83%
|
| Europe | Germany | DE | 83%
|
| Africa | Djibouti | DJ | 83%
|
| South America | Ecuador | EC | 83%
|
| Africa | Egypt | EG | 83%
|
| Africa | Eritrea | ER | 83%
|
| Africa | Ethiopia | ET | 83%
|
| Oceania | Fiji | FJ | 83%
|
| Africa | Gabon | GA | 83%
|
| North America | Grenada | GD | 83%
|
| Africa | Ghana | GH | 83%
|
| Africa | Gambia | GM | 83%
|
| North America | Guatemala | GT | 83%
|
| South America | Guyana | GY | 83%
|
| North America | Honduras | HN | 83%
|
| North America | Haiti | HT | 83%
|
| North America | Jamaica | JM | 83%
|
| Africa | Kenya | KE | 83%
|
| Oceania | Kiribati | KI | 83%
|
| North America | Saint Kitts and Nevis | KN | 83%
|
| North America | Saint Lucia | LC | 83%
|
| Africa | Lesotho | LS | 83%
|
| Europe | Montenegro | ME | 83%
|
| Africa | Madagascar | MG | 83%
|
| Africa | Mali | ML | 83%
|
| Asia | Maldives | MV | 83%
|
| Africa | Malawi | MW | 83%
|
| North America | Mexico | MX | 83%
|
| Africa | Mozambique | MZ | 83%
|
| Africa | Namibia | NA | 83%
|
| Africa | Niger | NE | 83%
|
| Africa | Nigeria | NG | 83%
|
| North America | Nicaragua | NI | 83%
|
| North America | Panama | PA | 83%
|
| South America | Peru | PE | 83%
|
| South America | Paraguay | PY | 83%
|
| Africa | Rwanda | RW | 83%
|
| Africa | Sudan | SD | 83%
|
| Africa | Sierra Leone | SL | 83%
|
| Africa | Senegal | SN | 83%
|
| Africa | Somalia | SO | 83%
|
| South America | Suriname | SR | 83%
|
| Africa | South Sudan | SS | 83%
|
| Africa | São Tomé and Príncipe | ST | 83%
|
| Africa | Togo | TG | 83%
|
| Africa | Turkmenistan | TM | 83%
|
| Africa | Tunisia | TN | 83%
|
| Africa | Tanzania | TZ | 83%
|
| Europe | Ukraine | UA | 83%
|
| Africa | Uganda | UG | 83%
|
| North America | United States of America | US | 83%
|
| South America | Uruguay | UY | 83%
|
| South America | Venezuela | VE | 83%
|
| Africa | Zambia | ZM | 83%
|
| Africa | Zimbabwe | ZW | 83%
|
| North America | Bahamas | BS | 75%
|
| Africa | Ivory Coast | CI | 75%
|
| North America | Dominica | DM | 75%
|
| Oceania | Federated States of Micronesia | FM | 75%
|
| Africa | Guinea | GN | 75%
|
| Africa | Liberia | LR | 75%
|
| Africa | Libya | LY | 75%
|
| Oceania | Marshall Islands | MH | 75%
|
| Africa | Mauritius | MU | 75%
|
| Oceania | Nauru | NR | 75%
|
| Oceania | New Zealand | NZ | 75%
|
| Oceania | Papua New Guinea | PG | 75%
|
| Africa | Seychelles | SC | 75%
|
| Europe | Slovenia | SI | 75%
|
| North America | El Salvador | SV | 75%
|
| Oceania | Tonga | TO | 75%
|
| North America | Trinidad and Tobago | TT | 75%
|
| Oceania | Tuvalu | TV | 75%
|
| Oceania | Vanuatu | VU | 75%
|
| North America | Barbados | BB | 67%
|
| North America | Dominican Republic | DO | 67%
|
| Europe | United Kingdom | GB | 67%
|
| Europe | Croatia | HR | 67%
|
| Africa | Angola | AO | 58%
|
| Europe | Bosnia and Herzegovina | BA | 58%
|
| Europe | Iceland | IS | 58%
|
| Africa | Mauritania | MR | 58%
|
| Europe | Switzerland | CH | 50%
|
| Asia | Cambodia | KH | 50%
|
| Asia | South Korea | KR | 50%
|
| Asia | Sri Lanka | LK | 50%
|
| Africa | Eswatini | SZ | 50%
|
| Africa | Central African Republic | CF | 42%
|
| Europe | Estonia | EE | 42%
|
| North America | Saint Vincent and the Grenadines | VC | 42%
|
| Europe | Belarus | BY | 33%
|
| Africa | Morocco | MA | 33%
|
| Europe | Serbia | RS | 33%
|
| Africa | Democratic Republic of the Congo | CD | 25%
|
| Africa | Algeria | DZ | 25%
|
| Africa | Equatorial Guinea | GQ | 25%
|
| Asia | North Korea | KP | 25%
|
| Europe | North Macedonia | MK | 25%
|
| Africa | Chad | TD | 25%
|
| Africa | South Africa | ZA | 25%
|
| Oceania | Palau | PW | 17%
|
| Africa | Benin | BJ | 8%
|
| Africa | Guinea-Bissau | GW | 8%
|
| Africa | Comoros | KM | 8%
|
| Oceania | Solomon Islands | SB | 8%
|
| Oceania | Samoa | WS | 8%
|