Main country
Japan
112,190 people
70.6% of total
Surname
Oka
158,939 worldwide · 100 countries
158,939
Total population
100
Countries
1 in every 50,963
Frequency
Rarity
Common
Dispersion
Global
Top countries
1
Japan
112,190
70.6%
2
Ivory Coast
16,052
10.1%
3
Nigeria
9,992
6.3%
4
Indonesia
9,824
6.2%
5
Egypt
4,368
2.7%
World distribution
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