105
Bearers
16393.
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 19 municipalities.
Map 1 · distribution of surname Ridaj — colour = bearers per 10,000 inhabitants (darker = higher)
| # | Region | Bearers |
|---|---|---|
| 1 | Ústecký kraj | 48 |
| 2 | Středočeský kraj | 46 |
| 3 | Liberecký kraj | 6 |
| 4 | Hlavní město Praha | 3 |
| 5 | Zlínský kraj | 1 |
| 6 | Olomoucký kraj | 1 |
| Total CZ | 105 |
| # | Municipality | Bearers |
|---|---|---|
| 1 | Kladno | 44 |
| 2 | Litvínov | 11 |
| 3 | Most | 8 |
| 4 | Kadaň | 8 |
| 5 | Teplice | 7 |
| 6 | Chomutov | 6 |
| 7 | Bílina | 4 |
| 8 | Praha | 3 |
| 9 | Česká Lípa | 3 |
| 10 | Rumburk | 2 |
| 11 | Rakovník | 1 |
| 12 | Slaný | 1 |
| 13 | Litoměřice | 1 |
| 14 | Ústí nad Labem | 1 |
| 15 | Nový Bor | 1 |
| 16 | Tanvald | 1 |
| 17 | Frýdlant | 1 |
| 18 | Prostějov | 1 |
| 19 | Valašské Meziříčí | 1 |
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