Main country
United States
1,421 people
94% of total
Surname
Duffer
1,512 worldwide · 16 countries
1,512
Total population
16
Countries
1 in every 5,357,143
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
United States
1,421
94%
2
Ecuador
37
2.4%
3
Hungary
16
1.1%
4
France
11
0.7%
5
England
10
0.7%
World distribution
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