| Year | Rank | Population | Answer | % Correct |
|---|---|---|---|---|
| 2. | 1.14B | China | 100%
| |
| 2. | 1B | China | 100%
| |
| 2. | 874.15M | China | 100%
| |
| 2. | 748.45M | China | 100%
| |
| 2. | 633.37M | China | 100%
| |
| 2060 | 1. | 1.7B | India | 100%
|
| 2070 | 1. | 1.69B | India | 100%
|
| 2080 | 1. | 1.65B | India | 100%
|
| 2090 | 1. | 1.58B | India | 100%
|
| 2100 | 1. | 1.51B | India | 100%
|
| 4. | 398.72M | Nigeria | 100%
| |
| 4. | 432.7M | Nigeria | 100%
| |
| 4. | 457.32M | Nigeria | 100%
| |
| 4. | 471.6M | Nigeria | 100%
| |
| 4. | 476.75M | Nigeria | 100%
| |
| 3. | 413.31M | Pakistan | 100%
| |
| 3. | 450.37M | Pakistan | 100%
| |
| 3. | 479.02M | Pakistan | 100%
| |
| 3. | 498.71M | Pakistan | 100%
| |
| 3. | 511M | Pakistan | 100%
| |
| 5. | 388.69M | United States | 98%
| |
| 5. | 397.96M | United States | 98%
| |
| 5. | 406.85M | United States | 98%
| |
| 5. | 414.24M | United States | 98%
| |
| 5. | 430.71M | Democratic Republic of the Congo | 91%
|