Main country
Italy
274 people
55.1% of total
Surname
Bertolio
497 worldwide · 13 countries
497
Total population
13
Countries
1 in every 16,297,787
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Italy
274
55.1%
2
Argentina
76
15.3%
3
United States
56
11.3%
4
Uruguay
43
8.7%
5
Brazil
29
5.8%
World distribution
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