| Country | Surname | % Correct |
|---|---|---|
| UK; Australia; New Zealand; USA; Canada | Smith | 93%
|
| Kazakhstan; Koreas | Kim | 60%
|
| Mexico | Hernandez | 53%
|
| Vietnam | Nguyen | 53%
|
| Italy | Rossi | 53%
|
| China | Wang | 53%
|
| France | Martin | 47%
|
| Germany; Switzerland | Müller | 47%
|
| Libya; Somalia; Eritrea; Kuwait; Bahrain; UAE; Oman | Ali | 40%
|
| Netherlands | De Jong | 40%
|
| Israel | Cohen | 33%
|
| Ireland | Murphy | 33%
|
| Portugal | Silva | 33%
|
| Spain; Ecuador | Garcia | 27%
|
| Sweden | Andersson | 20%
|
| Brazil | Da Silva | 20%
|
| Argentina; Chile; Venezuela | Gonzalez | 20%
|
| Denmark | Jensen | 20%
|
| Finland | Korhonen | 20%
|
| Hungary | Nagy | 20%
|
| Serbia | Jovanovic | 13%
|
| Yemen; Maldives; Iraq; | Mohamed | 13%
|
| India | Devi | 7%
|
| Austria | Gruber | 7%
|
| Norway | Hansen | 7%
|
| South Africa | Nkosi | 7%
|
| Greece | Papadopoulos | 7%
|
| Belgium | Peeters | 7%
|
| Ethiopia | Tesfaye | 7%
|
| Mauritania | Ba | 0%
|
| Namibia | Johannes | 0%
|
| Saudi Arabia | Khan | 0%
|
| Ukraine | Melnik | 0%
|
| Poland | Novak | 0%
|
| Romania | Popa | 0%
|
| Algeria | Saidi | 0%
|
| Indonesia | Sari | 0%
|
| Turkey | Yilmaz | 0%
|