| Date | Population | Country | % Correct |
|---|---|---|---|
| 1961 | 16 mill | Kazakhstan | 97%
|
| 1965 | 32 mill | Uzbekistan | 93%
|
| 2011 | 10.9 mill | Bolivia | 92%
|
| 1915 | 102 mill | Ethiopia | 90%
|
| 1997 | 15 mill | Niger | 90%
|
| 1997 | 14.5 mill | Mali | 89%
|
| 2005 | 10.3 mill | Chad | 87%
|
| 1999 | 12.9 mill | Zambia | 87%
|
| 2010 | 10.7 mill | Rwanda | 84%
|
| 1973 | 40 mill | Uganda | 84%
|
| 1966 | 33 mill | Afghanistan | 80%
|
| 1960 | 26 mill | Nepal | 80%
|
| 1990 | 12.5 mill | Zimbabwe | 80%
|
| 1995 | 15 mill | Burkina Faso | 77%
|
| 1996 | 15 mill | Malawi | 72%
|
| 1975 | 10.6 mill | Czech Republic | 69%
|
| 2019 | 10 mill | Azerbaijan | 48%
|