Main country
United States
108 people
77.7% of total
Surname
Koperna
139 worldwide · 2 countries
139
Total population
2
Countries
1 in every 58,273,381
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
108
77.7%
2
Poland
31
22.3%
World distribution
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