| Rank | # of cases | Country | % Correct |
|---|---|---|---|
| 5 | 27,095,988 | Germany | 100%
|
| 2 | 43,245,517 | India | 100%
|
| 6 | 22,460,449 | United Kingdom | 100%
|
| 1 | 87,549,563 | United States | 100%
|
| 9 | 17,773,764 | Italy | 98%
|
| 4 | 29,975,772 | France | 97%
|
| 21 | 5,843,190 | Mexico | 97%
|
| 8 | 18,256,457 | South Korea | 97%
|
| 11 | 12,515,127 | Spain | 97%
|
| 3 | 31,543,000 | Brazil | 95%
|
| 15 | 8,118,400 | Netherlands | 95%
|
| 20 | 6,010,871 | Poland | 95%
|
| 41 | 2,512,853 | Sweden | 95%
|
| 22 | 5,014,929 | Ukraine | 95%
|
| 13 | 9,313,453 | Argentina | 94%
|
| 32 | 3,905,314 | Canada | 94%
|
| 23 | 5,005,783 | Portugal | 94%
|
| 16 | 7,723,889 | Australia | 92%
|
| 29 | 4,177,440 | Belgium | 91%
|
| 37 | 3,532,260 | Greece | 91%
|
| 14 | 9,092,521 | Japan | 91%
|
| 7 | 18,388,424 | Russia | 91%
|
| 26 | 4,492,913 | Thailand | 91%
|
| 10 | 15,085,742 | Turkey | 91%
|
| 50 | 1,531,824 | Pakistan | 89%
|
| 33 | 3,857,643 | Chile | 88%
|
| 18 | 6,117,847 | Colombia | 88%
|
| 31 | 3,924,356 | Czech Republic | 88%
|
| 39 | 2,996,713 | Denmark | 88%
|
| 19 | 6,064,424 | Indonesia | 88%
|
| 40 | 2,912,878 | Romania | 88%
|
| 12 | 10,734,925 | Vietnam | 88%
|
| 17 | 7,234,367 | Iran | 86%
|
| 36 | 3,596,377 | Peru | 86%
|
| 44 | 1,955,731 | Bangladesh | 84%
|
| 42 | 2,331,872 | Iraq | 84%
|
| 49 | 1,578,284 | Ireland | 84%
|
| 35 | 3,684,270 | Switzerland | 84%
|
| 27 | 4,312,525 | Austria | 83%
|
| 45 | 1,923,122 | Hungary | 83%
|
| 34 | 3,694,529 | Philippines | 83%
|
| 30 | 3,983,675 | South Africa | 83%
|
| 25 | 4,532,632 | Malaysia | 80%
|
| 43 | 2,022,252 | Serbia | 80%
|
| 28 | 4,205,424 | Israel | 73%
|
| 46 | 1,792,203 | Slovakia | 73%
|
| 38 | 3,244,453 | Taiwan | 73%
|
| 47 | 1,697,271 | Jordan | 53%
|
| 24 | 4,558,260 | North Korea | 48%
|
| 48 | 1,658,755 | Georgia | 36%
|