| Number of people | Year | Answer | % Correct |
|---|---|---|---|
| 101,500 | 2016 | Brazil | 100%
|
| 567,715 | 2019 | USA | 95%
|
| 2,579,000 | 2011 | China | 89%
|
| 141,568 | 2012 | France | 84%
|
| 307,000 | 2016 | United Kingdom | 84%
|
| 650,000 | 2017 | Germany | 79%
|
| 24,400,000 | 2007 | Nigeria | 79%
|
| 12,000,000 | 2013 | Egypt | 74%
|
| 48,000 | 2014 | Italy | 74%
|
| 4,555 | 2019 | Japan | 68%
|
| 64,000 | 2010 | Russia | 63%
|
| 12,255 | 2011 | Chile | 53%
|
| 116,420 | 2016 | Australia | 47%
|
| 1,500,00 | 2017 | DR Congo | 47%
|
| 30,330 | 2019 | Poland | 26%
|
| 5,482 | 2018 | Finland | 21%
|
| 15,000 | 2004 | Romania | 16%
|
| 23,830 | 2019 | Czech Republic | 5%
|