| Year passed | Population then | Country | % Correct |
|---|---|---|---|
| 1971 | 56.2 mil | United Kingdom | 97%
|
| 1983 | 78.5 mil | Germany | 96%
|
| 1965 | 49.4 mil | France | 95%
|
| 2007 | 146 mil | Russia | 94%
|
| 2022 | 216 mil | Brazil | 92%
|
| 1968 | 52.6 mil | Italy | 92%
|
| 2002 | 128 mil | Japan | 91%
|
| 2006 | 142 mil | Bangladesh | 84%
|
| 1951 | 37.5 mil | Ukraine | 50%
|