Main country
Italy
64 people
80% of total
Surname
Efficace
80 worldwide · 9 countries
80
Total population
9
Countries
1 in every 101,250,000
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Italy
64
80%
2
Argentina
5
6.3%
3
United States
5
6.3%
4
Brazil
1
1.3%
5
Canada
1
1.3%
World distribution
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