Main country
Poland
2 people
66.7% of total
Surname
Kościuczyk
3 worldwide · 2 countries
3
Total population
2
Countries
1 in every 2,700,000,000
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Poland
2
66.7%
2
Australia
1
33.3%
World distribution
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