| Population 1970 ('000) | Population 2020 ('000) | Country | City | % Correct |
|---|---|---|---|---|
| 1946 | 1768 | Hungary | Budapest | 93%
|
| 1380 | 1346 | Denmark | Copenhagen | 90%
|
| 3966 | 3548 | USA | Detroit | 89%
|
| 1276 | 902 | UK | Liverpool | 76%
|
| 1792 | 1790 | Germany | Hamburg | 71%
|
| 1734 | 1673 | UK | Glasgow | 65%
|
| 1954 | 1763 | USA | Cleveland | 62%
|
| 1845 | 1704 | USA | Pittsburgh | 47%
|
| 1084 | 891 | USA | Buffalo | 36%
|