| Country | Last Names | % Correct |
|---|---|---|
| United States | Smith | Johnson | Williams | Brown | Jones | 97%
|
| China | Wang | Li | Zhang | Liu | Chen | 83%
|
| South Korea | Kim | Lee | Park | Choi | Jeong | 69%
|
| Vietnam | Nguyen | Tran | Le | Pham | Huynh | 59%
|
| Spain | García | Fernández | González | Rodríguez | López | 56%
|
| Sweden | Andersson | Johansson | Karlsson | Nilsson | Eriksson | 34%
|
| India * | Patel | Singh | Kaur | Shah | Miah | 34%
|
| Germany | Müller | Schmidt | Schneider | Fischer | Meyer | 30%
|
| Egypt | Mohamed | Ahmed | Hassan | Ali | Mahmoud | 24%
|
| Ireland | Murphy | O'Kelly | O'Sullivan | Walsh | Smith | 24%
|
| Portugal | Silva | Santos | Ferreira | Pereira | Oliveira | 18%
|
| Russia | Smirnov | Ivanov | Kuznetsov | Popov | Sokolov | 18%
|
| Netherlands | De Jong | Jansen | De Vries | Van den Berg | Van Dijk | 15%
|
| Italy | Rossi | Russo | Ferrari | Esposito | Bianchi | 15%
|
| Japan | Satō | Suzuki | Takahashi | Tanaka | Watanabe | 12%
|
| Israel | Cohen | Levi | Mizrachi | Peretz | Biton | 11%
|
| France | Martin | Bernard | Dubois | Thomas | Robert | 11%
|
| Poland | Nowak | Kowalski | Wiśniewski | Wójcik | Kowalczyk | 11%
|