Main country
United States
140 people
97.9% of total
Surname
Duffina
143 worldwide · 2 countries
143
Total population
2
Countries
1 in every 56,643,357
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
140
97.9%
2
Canada
3
2.1%
World distribution
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