Main country
Tanzania
12,037 people
99.2% of total
Surname
Ryoba
12,135 worldwide · 7 countries
12,135
Total population
7
Countries
1 in every 667,491
Frequency
Rarity
Moderate
Dispersion
Local
Top countries
1
Tanzania
12,037
99.2%
2
Kenya
77
0.6%
3
Japan
15
0.1%
4
United States
3
0%
5
Iraq
1
0%
World distribution
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