Main country
Switzerland
888 people
52.7% of total
Surname
Sierro
1,686 worldwide · 22 countries
1,686
Total population
22
Countries
1 in every 4,804,270
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Switzerland
888
52.7%
2
Argentina
312
18.5%
3
Spain
191
11.3%
4
Brazil
119
7.1%
5
United States
110
6.5%
World distribution
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