Main country
Spain
40 people
54.8% of total
Surname
Sierco
73 worldwide · 4 countries
73
Total population
4
Countries
1 in every 110,958,904
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Spain
40
54.8%
2
United States
18
24.7%
3
Argentina
8
11%
4
France
7
9.6%
World distribution
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