| Debut | Best result | Number of participations | Population | Answer | % Correct |
|---|---|---|---|---|---|
| 1998 | Round 2 | 7 | 123,294,513 | Japan | 100%
|
| 1954 | 4th | 11 | 51,784,059 | South Korea | 100%
|
| 2002 | Round 1 | 1 | 1,425,671,352 | China | 97%
|
| 2022 | Round 1 | 1 | 2,716,391 | Qatar | 94%
|
| 1978 | Round 1 | 6 | 89,172,767 | Iran | 92%
|
| 1966 | Quarterfinals | 2 | 26,160,822 | North Korea | 90%
|
| 1994 | Round 2 | 6 | 36,947,025 | Saudi Arabia | 89%
|
| 1986 | Round 1 | 1 | 45,504,560 | Iraq | 87%
|
| 1970 | Round 1 | 1 | 9,174,520 | Israel | 87%
|
| 1938 | Round 1 | 1 | 277,534,123 | Indonesia | 85%
|
| 1954 | 3rd | 2 | 87,035,401 | Turkey | 85%
|
| 1982 | Round 1 | 1 | 4,310,108 | Kuwait | 84%
|
| 1990 | Round 1 | 1 | 9,516,871 | UAE | 81%
|
| 1958 | 4th | 10 | 144,444,359 | Russia | 76%
|