Main country
Japan
1,059 people
90.3% of total
Surname
Koichi
1,173 worldwide · 20 countries
1,173
Total population
20
Countries
1 in every 6,905,371
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Japan
1,059
90.3%
2
Cameroon
29
2.5%
3
Ivory Coast
23
2%
4
United States
14
1.2%
5
Thailand
12
1%
World distribution
Loading map...