| Date | Population | Country | % Correct |
|---|---|---|---|
| 1 A.D | 1,420 m | China | 99%
|
| 1890 | 329 m | United States | 99%
|
| 1 A.D | 1,368 m | India | 98%
|
| 2005 | 66 m | United Kingdom | 97%
|
| 1835 | 143 m | Russia | 95%
|
| 1955 | 212 m | Brazil | 94%
|
| 1907 | 82 m | Germany | 94%
|
| 1974 | 132 m | Mexico | 94%
|
| 1997 | 66 m | France | 93%
|
| 1926 | 126 m | Japan | 91%
|
| 1900 | 265 m | Indonesia | 90%
|
| 1973 | 200 m | Nigeria | 90%
|
| 1971 | 204 m | Pakistan | 88%
|
| 1993 | 101 m | Egypt | 87%
|
| 1967 | 168 m | Bangladesh | 81%
|
| 2007 | 86 m | D.R. Congo | 80%
|
| 1986 | 97 m | Vietnam | 80%
|
| 1989 | 108 m | Philippines | 79%
|
| 1994 | 83 m | Turkey | 79%
|
| 1995 | 83 m | Iran | 78%
|
| 1996 | 69 m | Thailand | 78%
|
| 1997 | 110 m | Ethiopia | 75%
|
| 2018 | 60 m | Tanzania | 56%
|