| Country (State) | Population (Millions) | City Name | % Correct |
|---|---|---|---|
| Switzerland | 1.41 | Zurich | 99%
|
| China (Henan) | 5.4 | Zhengzhou | 74%
|
| China (Shandong) | 3.4 | Zibo | 45%
|
| China (Guangdong) | 1.61 | Zhuhai | 28%
|
| China (Hunan) | 1.25 | Zhuzhou | 21%
|
| China (Hebei) | 1.33 | Zhangjiakou | 19%
|
| China (Guangdong) | 1.28 | Zhanjiang | 19%
|
| China (Jiangsu) | 1.14 | Zhenjiang | 14%
|
| China (Guizhou) | 1.22 | Zunyi | 14%
|
| China (Shandong) | 1.03 | Zaozhuang | 11%
|