| Groups | ISO-2 Codes | % Correct | |
|---|---|---|---|
| Asia | Afghanistan | AF | 98%
|
| Asia | Azerbaijan | AZ | 98%
|
| Asia | Bahrain | BH | 97%
|
| Asia | Bhutan | BT | 97%
|
| Asia | Armenia | AM | 96%
|
| Asia | Bangladesh | BD | 94%
|
| Asia | Brunei | BN | 94%
|
| Asia | Cyprus | CY | 92%
|
| Asia | Georgia | GE | 92%
|
| Asia | Indonesia | ID | 92%
|
| Asia | India | IN | 92%
|
| Asia | Iraq | IQ | 92%
|
| Asia | Iran | IR | 92%
|
| Asia | Jordan | JO | 90%
|
| Asia | Japan | JP | 90%
|
| Asia | Kyrgyzstan | KG | 90%
|
| Asia | Kuwait | KW | 90%
|
| Asia | Kazakhstan | KZ | 90%
|
| Asia | Laos | LA | 90%
|
| Asia | Lebanon | LB | 90%
|
| Asia | Malaysia | MY | 90%
|
| Asia | Nepal | NP | 90%
|
| Asia | Oman | OM | 90%
|
| Asia | Israel | IL | 89%
|
| Asia | Pakistan | PK | 89%
|
| Asia | Qatar | QA | 89%
|
| Asia | Saudi Arabia | SA | 89%
|
| Asia | China | CN | 88%
|
| Asia | Maldives | MV | 88%
|
| Asia | Philippines | PH | 88%
|
| Asia | Singapore | SG | 88%
|
| Asia | Thailand | TH | 88%
|
| Europe | Andorra | AD | 87%
|
| Europe | Albania | AL | 87%
|
| Europe | Austria | AT | 87%
|
| Europe | Belgium | BE | 87%
|
| Asia | Mongolia | MN | 87%
|
| Asia | Syria | SY | 87%
|
| Asia | Tajikistan | TJ | 87%
|
| Asia | Taiwan | TW | 87%
|
| Asia | Uzbekistan | UZ | 87%
|
| Asia | Vietnam | VN | 87%
|
| Asia | Yemen | YE | 87%
|
| Europe | Czech Republic | CZ | 86%
|
| Europe | France | FR | 86%
|
| Europe | Hungary | HU | 86%
|
| Europe | Italy | IT | 86%
|
| Asia | Turkey | TR | 86%
|
| Europe | Bulgaria | BG | 85%
|
| Europe | Denmark | DK | 85%
|
| Europe | Finland | FI | 85%
|
| Europe | Greece | GR | 85%
|
| Europe | Luxembourg | LU | 85%
|
| Europe | Latvia | LV | 85%
|
| Europe | Malta | MT | 85%
|
| Europe | Norway | NO | 85%
|
| Europe | Poland | PL | 85%
|
| Europe | Portugal | PT | 85%
|
| Europe | Romania | RO | 85%
|
| Europe | Russia | RU | 85%
|
| Europe | Spain | ES | 84%
|
| Europe | Liechtenstein | LI | 84%
|
| Europe | Lithuania | LT | 84%
|
| Europe | Monaco | MC | 84%
|
| Europe | Moldova | MD | 84%
|
| Europe | Slovakia | SK | 84%
|
| Europe | San Marino | SM | 84%
|
| Asia | Myanmar | MM | 83%
|
| Europe | Germany | DE | 82%
|
| Europe | Netherlands | NL | 82%
|
| Europe | Sweden | SE | 82%
|
| Europe | Vatican City | VA | 80%
|
| Europe | Ireland | IE | 79%
|
| Asia | East Timor | TL | 79%
|
| Africa | Cape Verde | CV | 78%
|
| Asia | United Arab Emirates | AE | 77%
|
| Africa | Burkina Faso | BF | 77%
|
| Africa | Cameroon | CM | 77%
|
| Africa | Botswana | BW | 76%
|
| North America | Canada | CA | 76%
|
| South America | Argentina | AR | 75%
|
| Oceania | Australia | AU | 75%
|
| South America | Brazil | BR | 75%
|
| South America | Colombia | CO | 75%
|
| North America | Costa Rica | CR | 75%
|
| North America | Cuba | CU | 75%
|
| Africa | Djibouti | DJ | 75%
|
| South America | Ecuador | EC | 75%
|
| Africa | Egypt | EG | 75%
|
| Africa | Ethiopia | ET | 75%
|
| South America | Guyana | GY | 75%
|
| Africa | Mozambique | MZ | 75%
|
| South America | Peru | PE | 75%
|
| Asia | Turkmenistan | TM | 75%
|
| Europe | Ukraine | UA | 75%
|
| North America | United States of America | US | 75%
|
| Africa | Burundi | BI | 74%
|
| South America | Bolivia | BO | 74%
|
| North America | Belize | BZ | 74%
|
| South America | Chile | CL | 74%
|
| Africa | Eritrea | ER | 74%
|
| Africa | Gabon | GA | 74%
|
| Africa | Ghana | GH | 74%
|
| North America | Haiti | HT | 74%
|
| North America | Jamaica | JM | 74%
|
| Africa | Kenya | KE | 74%
|
| Africa | Lesotho | LS | 74%
|
| Africa | Madagascar | MG | 74%
|
| Africa | Mali | ML | 74%
|
| Africa | Malawi | MW | 74%
|
| North America | Mexico | MX | 74%
|
| Africa | Namibia | NA | 74%
|
| North America | Panama | PA | 74%
|
| South America | Paraguay | PY | 74%
|
| Africa | Rwanda | RW | 74%
|
| South America | Suriname | SR | 74%
|
| Africa | South Sudan | SS | 74%
|
| Africa | Togo | TG | 74%
|
| Africa | Tanzania | TZ | 74%
|
| Africa | Uganda | UG | 74%
|
| South America | Uruguay | UY | 74%
|
| South America | Venezuela | VE | 74%
|
| North America | Dominica | DM | 73%
|
| Oceania | Fiji | FJ | 73%
|
| Africa | Gambia | GM | 73%
|
| North America | Guatemala | GT | 73%
|
| Africa | Nigeria | NG | 73%
|
| North America | Nicaragua | NI | 73%
|
| Africa | Sudan | SD | 73%
|
| Africa | Sierra Leone | SL | 73%
|
| Africa | São Tomé and Príncipe | ST | 73%
|
| Africa | Tunisia | TN | 73%
|
| Africa | Zambia | ZM | 73%
|
| North America | Grenada | GD | 72%
|
| North America | Honduras | HN | 72%
|
| Africa | Libya | LY | 72%
|
| Africa | Senegal | SN | 72%
|
| Africa | Somalia | SO | 72%
|
| North America | Trinidad and Tobago | TT | 72%
|
| Africa | Zimbabwe | ZW | 72%
|
| North America | Barbados | BB | 71%
|
| North America | Bahamas | BS | 71%
|
| Europe | Montenegro | ME | 71%
|
| Africa | Mauritania | MR | 71%
|
| Oceania | New Zealand | NZ | 71%
|
| Africa | Seychelles | SC | 71%
|
| Europe | United Kingdom | GB | 70%
|
| Africa | Guinea | GN | 70%
|
| Oceania | Kiribati | KI | 70%
|
| Europe | Slovenia | SI | 70%
|
| Africa | Angola | AO | 69%
|
| Africa | Liberia | LR | 69%
|
| Africa | Mauritius | MU | 69%
|
| Oceania | Tuvalu | TV | 69%
|
| Oceania | Vanuatu | VU | 69%
|
| North America | Dominican Republic | DO | 68%
|
| North America | Saint Kitts and Nevis | KN | 68%
|
| Oceania | Nauru | NR | 68%
|
| Europe | Croatia | HR | 67%
|
| Africa | Niger | NE | 67%
|
| Oceania | Tonga | TO | 67%
|
| Africa | Ivory Coast | CI | 65%
|
| Europe | Iceland | IS | 65%
|
| North America | Saint Lucia | LC | 64%
|
| Oceania | Papua New Guinea | PG | 63%
|
| North America | Antigua and Barbuda | AG | 62%
|
| Asia | Cambodia | KH | 62%
|
| Asia | South Korea | KR | 62%
|
| North America | El Salvador | SV | 61%
|
| Europe | Bosnia and Herzegovina | BA | 60%
|
| Oceania | Federated States of Micronesia | FM | 60%
|
| Oceania | Marshall Islands | MH | 58%
|
| Africa | Republic of the Congo | CG | 56%
|
| Europe | Switzerland | CH | 55%
|
| Africa | Eswatini | SZ | 55%
|
| North America | Saint Vincent and the Grenadines | VC | 54%
|
| Europe | Estonia | EE | 51%
|
| Asia | Sri Lanka | LK | 48%
|
| Africa | South Africa | ZA | 48%
|
| Europe | North Macedonia | MK | 38%
|
| Europe | Belarus | BY | 37%
|
| Africa | Central African Republic | CF | 37%
|
| Europe | Serbia | RS | 37%
|
| Africa | Morocco | MA | 34%
|
| Asia | North Korea | KP | 33%
|
| Africa | Chad | TD | 31%
|
| Africa | Algeria | DZ | 30%
|
| Africa | Equatorial Guinea | GQ | 27%
|
| Africa | Democratic Republic of the Congo | CD | 23%
|
| Africa | Comoros | KM | 18%
|
| Oceania | Samoa | WS | 17%
|
| Oceania | Palau | PW | 16%
|
| Africa | Benin | BJ | 14%
|
| Oceania | Solomon Islands | SB | 13%
|
| Africa | Guinea-Bissau | GW | 12%
|