| Rank | Hint | Countries | % Correct |
|---|---|---|---|
| 7 | Most guessed on the "Countries of the World" quiz | United States | Canada | China | Russia | France | Mexico | Brazil | 100%
|
| 3 | Largest population in Europe | Russia | Germany | 99%
|
| 4 | Most populous island nation | Indonesia | Japan | Philippines | 93%
|
| 2 | Greatest number of native English speakers | United States | 87%
|
| 2 | Greatest number of people of Irish descent | United States | 78%
|
| 3 | Most-visited country by U.S. citizens | Canada | Mexico | 76%
|
| 2 | Highest percent of people who have red hair | Ireland | 76%
|
| 5 | Largest "Exclusive Economic Zone" in the ocean | France | United States | Australia | Russia | 74%
|
| 2 | Tallest building in Europe | Russia | 73%
|
| 3 | Books published per year | China | United States | 72%
|
| 2 | Most UEFA Champions League / European Cup wins | Spain | 68%
|
| 8 | Nobel laureates per capita | Saint Lucia | Luxembourg | Switzerland | Sweden | Iceland | Norway | Denmark | Austria | 61%
|
| 4 | Highest percentage of people who aren't religious (WIN/Gallup poll 2017) | China | Sweden | Czech Republic | 59%
|
| 2 | Oldest university | Italy | 59%
|
| 2 | Longest reigning monarch in history (sovereign states only) | France | 54%
|
| 3 | Most populous monarchy | Japan | Thailand | 53%
|
| 3 | Highest tea consumption per capita | Turkey | Ireland | 50%
|
| 5 | Earliest country to have a female Prime Minister | Sri Lanka | India | Israel | Central African Republic | 37%
|
| 2 | Most populous country whose name ends in "M" | Vietnam | 29%
|
| 2 | Highest Anglican Christian population (BBC, 2008) | Nigeria | 26%
|