Most common surnames
Material updated 10/7/2024| Rank | Surname | Men | Women | Total |
|---|
| 1. | Korhonen | 11,257 | 10,744 | 22,001 |
| 2. | Virtanen | 11,119 | 10,120 | 21,239 |
| 3. | Mäkinen | 9,989 | 9,676 | 19,665 |
| 4. | Nieminen | 9,990 | 9,492 | 19,482 |
| 5. | Mäkelä | 9,508 | 9,207 | 18,715 |
| 6. | Hämäläinen | 9,185 | 8,718 | 17,903 |
| 7. | Laine | 8,981 | 8,896 | 17,877 |
| 8. | Heikkinen | 8,692 | 8,543 | 17,235 |
| 9. | Koskinen | 8,529 | 8,244 | 16,773 |
| 10. | Järvinen | 7,994 | 7,724 | 15,718 |
