Main country
Poland
412 people
83.4% of total
Surname
Ruczkowski
494 worldwide · 7 countries
494
Total population
7
Countries
1 in every 16,396,761
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Poland
412
83.4%
2
Germany
31
6.3%
3
Brazil
30
6.1%
4
United States
9
1.8%
5
England
7
1.4%
World distribution
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