Main country
Japan
11,980 people
52.1% of total
Surname
Koji
23,014 worldwide · 45 countries
23,014
Total population
45
Countries
1 in every 351,960
Frequency
Rarity
Moderate
Dispersion
Regional
Top countries
1
Japan
11,980
52.1%
2
Democratic Republic of the Congo
7,272
31.6%
3
Nigeria
2,252
9.8%
4
Cameroon
501
2.2%
5
Indonesia
251
1.1%
World distribution
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