| Rank | Category | Countries | % Correct |
|---|---|---|---|
| 13 | European country with the highest % of Catholics | Vatican City | San Marino | Andorra | Malta | Monaco | Portugal | Croatia | Liechtenstein | Italy | Lithuania | Slovenia | Poland | 98%
|
| 4 | Largest source of visitors to the U.K. | United States | France | Germany | 98%
|
| 2 | Westernmost country in Europe * Excluding external territories | Iceland | 94%
|
| 3 | Most guessed island country on the Countries of the World Quiz | United Kingdom | Japan | 94%
|
| 5 | Country with the most Irish people[1] | United States | United Kingdom | Canada | Australia | 94%
|
| 7 (t) | Earliest member of the European Union | Belgium | France | Germany | Italy | Luxembourg | Netherlands | 92%
|
| 6 | Highest HDI * HDI measures health, education, and income | Switzerland | Norway | Iceland | Denmark | Sweden | 91%
|
| 3 | Largest European country without wolves | United Kingdom | Iceland | 86%
|
| 3 | Largest country without snakes | New Zealand | Iceland | 75%
|
| 2 | Lowest all-time high temperature | Iceland | 70%
|
| 2 | Largest source of foreign-born U.S. citizens in 1880 | Germany | 63%
|
| 6 | Highest cow to person ratio | Uruguay | Paraguay | New Zealand | Chad | Mongolia | 63%
|
| 8 | Country with the highest HDI rank improvement between 1990 and 2022 | China | Turkey | Thailand | United Arab Emirates | Guyana | Dominican Republic | Myanmar | 53%
|
| 12 | Closest country to the Prime Meridian that doesn't touch it | Niger | Benin | Morocco | Andorra | Belgium | Ivory Coast | Nigeria | Netherlands | Norway | Mauritania | Equatorial Guinea | Luxembourg | 52%
|
| 8 | Most common as a first name in the U.S. Example: If enough people were named Peru, it'd count | Jordan | Chad | Georgia | Israel | Kenya | India | Malaysia | 48%
|
| 2 | Smallest country by area beginning with I | Israel | 45%
|
| 3 (t) | Whose flag is the highest % orange | Bhutan | Niger | 36%
|