| Metro Area | 1st/2nd Largest City | Population | % Correct |
|---|---|---|---|
| Seattle | Tacoma | 221,776 | 89%
|
| Seoul | Incheon | 2,962,388 | 67%
|
| Johannesburg | Pretoria | 1,763,336 | 44%
|
| Detroit | Toledo | 266,308 | 33%
|
| Philadelphia | Allentown | 125,094 | 28%
|
| Cincinnati | Dayton | 135,944 | 22%
|
| Sao Paulo | Guarulhos | 1,404,690 | 17%
|
| Kuala Lumpur | Klang | 240,016 | 11%
|
| Dubai | Sharjah | 1,274,749 | 11%
|
| Nagoya | Anjo | 188,693 | 6%
|
| Xiamen | Jinjiang | 1,728,386 | 6%
|
| Dhaka | Savar | 384,093 | 6%
|
| Ho Chi Minh City | Bien Hoa | 1,272,235 | 0%
|
| Kolkata | Haora | 1,077,075 | 0%
|
| Chengdu | Jianyang | 1,117,265 | 0%
|
| Tehran | Kharaj | 1,592,492 | 0%
|