| Year | Rank | Population | Answer | % Correct |
|---|---|---|---|---|
| 4. | 483.82M | China | 100%
| |
| 3. | 534.87M | China | 100%
| |
| 2. | 592.11M | China | 100%
| |
| 2. | 653.76M | China | 100%
| |
| 2. | 723.11M | China | 100%
| |
| 2. | 799.48M | China | 100%
| |
| 2270 | 1 | 884.37M | China | 100%
|
| 2280 | 1. | 977.48M | China | 100%
|
| 2290 | 1. | 1.08B | China | 100%
|
| 2300 | 1. | 1.2B | China | 100%
|
| 2210 | 1. | 765.75M | India | 100%
|
| 2220 | 1. | 754.89M | India | 100%
|
| 2230 | 1. | 751.2M | India | 100%
|
| 2240 | 1. | 766.6M | India | 100%
|
| 2250 | 1. | 782.6M | India | 100%
|
| 2260 | 1. | 820.03M | India | 100%
|
| 2. | 862.67M | India | 100%
| |
| 2. | 907.16M | India | 100%
| |
| 2. | 954.16M | India | 100%
| |
| 2. | 1B | India | 100%
| |
| 3. | 495.49M | United States of America | 97%
| |
| 4. | 502.23M | United States of America | 97%
| |
| 4. | 509.07M | United States of America | 97%
| |
| 4. | 515.73M | United States of America | 97%
| |
| 3. | 522.51M | United States of America | 97%
| |
| 3. | 529.27M | United States of America | 97%
| |
| 3. | 536.05M | United States of America | 97%
| |
| 3. | 542.79M | United States of America | 97%
| |
| 3. | 549.55M | United States of America | 97%
| |
| 3. | 556.48M | United States of America | 97%
| |
| 5. | 462.12M | Pakistan | 87%
| |
| 5. | 455.19M | Pakistan | 87%
| |
| 5. | 451.48M | Pakistan | 87%
| |
| 5. | 450.63M | Pakistan | 87%
| |
| 5. | 449.76M | Pakistan | 87%
| |
| 5. | 449.14M | Pakistan | 87%
| |
| 5. | 451.44M | Pakistan | 87%
| |
| 5. | 453.73M | Pakistan | 87%
| |
| 4. | 456.05M | Pakistan | 87%
| |
| 4. | 458.43M | Pakistan | 87%
| |
| 2. | 556.3M | Democratic Republic of the Congo | 77%
| |
| 3. | 538.01M | Democratic Republic of the Congo | 77%
| |
| 3. | 520.76M | Democratic Republic of the Congo | 77%
| |
| 4. | 503.78M | Democratic Republic of the Congo | 77%
| |
| 4. | 487.42M | Democratic Republic of the Congo | 77%
| |
| 4. | 471.51M | Democratic Republic of the Congo | 77%
| |
| 4. | 456.24M | Democratic Republic of the Congo | 77%
| |
| 5. | 441.4M | Democratic Republic of the Congo | 77%
| |
| 5. | 426.69M | Democratic Republic of the Congo | 77%
| |
| 2. | 574.95M | Democratic Republic of the Congo | 74%
|