| Number of borders | Border example | Answer | % Correct |
|---|---|---|---|
| 9 | Argentina | Brazil | 100%
|
| 3 | Yemen | Oman | 100%
|
| 1 | Spain | Portugal | 100%
|
| 14 | Mongolia | Russia | 100%
|
| 2 | Norway | Sweden | 100%
|
| 8 | Germany | France | 92%
|
| 2 | Romania | Moldova | 92%
|
| 1 | Italy | San Marino | 92%
|
| 2 | Mexico | Belize | 83%
|
| 5 | Venezuela | Columbia | 83%
|
| 1 | Senegal | Gambia | 83%
|
| 3 | Malaysia | Indonesia | 83%
|
| 5 | China | Kazakhstan | 83%
|
| 3 | Israel | Egypt | 75%
|
| 2 | South Africa | Eswatini | 75%
|
| 5 | Laos | Myanmar | 75%
|
| 4 | Burkina Faso | Benin | 67%
|
| 6 | China | India | 58%
|
| 8 | Georgia | Turkey | 58%
|
| 3 | Democratic Republic of the Congo | Burundi | 25%
|