Main country
Sao Tome and Principe
24 people
58.5% of total
Surname
Rioa
41 worldwide · 5 countries
41
Total population
5
Countries
1 in every 197,560,976
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Sao Tome and Principe
24
58.5%
2
Solomon Islands
12
29.3%
3
Colombia
2
4.9%
4
United States
2
4.9%
5
Portugal
1
2.4%
World distribution
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