Main country
United States
19 people
70.4% of total
Surname
Duffan
27 worldwide · 5 countries
27
Total population
5
Countries
1 in every 300,000,000
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
19
70.4%
2
Panama
5
18.5%
3
Canada
1
3.7%
4
Chile
1
3.7%
5
Nothern Ireland
1
3.7%
World distribution
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