| Surname | # | Country | % Correct |
|---|---|---|---|
| Smith | 2,552,459 | United States | 100%
|
| Wang | 128,389 | United States | 100%
|
| Garcia | 734,731 | United States | 100%
|
| Smith | 466,356 | United Kingdom | 99%
|
| Wang | 74,793,542 | China | 98%
|
| Garcia | 2,416,128 | Mexico | 95%
|
| Smith | 177,152 | Canada | 92%
|
| Garcia | 1,489,445 | Spain | 92%
|
| Andersson | 173,161 | Sweden | 91%
|
| Smith | 184,513 | Australia | 90%
|
| Andersson | 3,331 | Norway | 90%
|
| Andersson | 3,137 | Denmark | 89%
|
| Andersson | 5,291 | Finland | 86%
|
| Mohamed | 1,751,601 | Iraq | 85%
|
| Mohamed | 2,036,870 | Egypt | 83%
|
| Wang | 192,827 | Japan | 82%
|
| Petrović | 110,267 | Serbia | 81%
|
| Petrović | 9,305 | Croatia | 80%
|
| Wang | 45,688 | South Korea | 80%
|
| Andersson | 4,203 | Germany | 79%
|
| Petrović | 4,774 | Germany | 79%
|
| Garcia | 532,510 | Colombia | 78%
|
| Petrović | 11,392 | Bosnia | 75%
|
| Wang | 941,361 | Taiwan | 74%
|
| Garcia | 516,591 | Brazil | 73%
|
| Mohamed | 1,027,808 | Syria | 71%
|
| Petrović | 2,681 | Montenegro | 61%
|
| Mohamed | 1,114,136 | Yemen | 58%
|
| Smith | 233,996 | South Africa | 57%
|
| Mohamed | 1,003,903 | Sudan | 56%
|