| # | Nation / Naród | % Correct |
|---|---|---|
| 59 000 | German | 90%
|
| 37 000 | Ukrainian | 83%
|
| 8 000 | Russian | 79%
|
| 5 000 | Lithuanian | 67%
|
| 36 000 | Belarusian | 62%
|
| 12 000 | Romani people | 56%
|
| 17 000 | Kashubian | 33%
|
| 3 000 | Vietnamese | 25%
|
| 7 000 | Lemko | 23%
|
| 3 000 | Armenian | 20%
|