| Country | Demonym | % Correct |
|---|---|---|
| Bosnia and Herzegovina | Bosnian/ Herzegovinian | 99%
|
| Albania | Albanian | 97%
|
| Austria | Austria | 97%
|
| Bulgaria | Bulgarian | 97%
|
| Croatia | Croatian | 96%
|
| Czech Republic | Czech | 96%
|
| France | French | 96%
|
| Denmark | Danish | 94%
|
| Estonia | Estonian | 94%
|
| Finland | Finnish | 94%
|
| Germany | German | 94%
|
| Greece | Greek | 94%
|
| Hungary | Hungarian/Magyar | 94%
|
| Italy | Italian | 94%
|
| Belarus | Belarusian | 93%
|
| Ireland | Irish | 93%
|
| Latvia | Latvian/Lettish | 93%
|
| Russia | Russian | 93%
|
| Andorra | Andorran | 91%
|
| Romania | Romanian | 91%
|
| Serbia | Serbian | 91%
|
| Slovakia | Slovak | 91%
|
| Slovenia | Slovene/Slovenian | 91%
|
| Spain | Spanish | 91%
|
| Iceland | Icelandic | 90%
|
| North Macedonia | Macedonian | 90%
|
| Portugal | Portuguese | 90%
|
| Sweden | Swedish | 90%
|
| Belgium | Belgian | 88%
|
| Netherlands | Dutch | 88%
|
| Poland | Polish | 88%
|
| Ukraine | Ukrainian | 88%
|
| United Kingdom | British | 87%
|
| Lithuania | Lithuanian | 87%
|
| Malta | Maltese | 85%
|
| Norway | Norwegian | 85%
|
| Moldova | Moldovan | 84%
|
| Switzerland | Swiss | 81%
|
| Vatican City | Vatican | 79%
|
| Kosovo | Kosovar/Kosovan | 75%
|
| Montenegro | Montenegrin | 75%
|
| Luxembourg | Luxembourgish | 69%
|
| Monaco | Monégasque/Monacan | 69%
|
| Liechtenstein | Liechtensteiner | 45%
|
| San Marino | Sammarinese | 27%
|