15
Bearers
66610.
Rank
male
Gender
Surname distribution by municipality
Number of bearers by municipality across Czechia (source: MV ČR archive, ~2011). Showing the 30 most frequent of 7 municipalities.
Map 1 · distribution of surname Janssen — colour = bearers per 10,000 inhabitants (darker = higher)
| # | Region | Bearers |
|---|---|---|
| 1 | Olomoucký kraj | 4 |
| 2 | Jihomoravský kraj | 4 |
| 3 | Hlavní město Praha | 4 |
| 4 | Pardubický kraj | 2 |
| 5 | Středočeský kraj | 1 |
| Total CZ | 15 |
Historical trend by year of birth
Number of living bearers by year of birth (as of 2011, source: MV ČR archive).
Source: MV ČR – četnost příjmení (archiv) · Data year: 2011