Main country
Japan
1,595 people
70.8% of total
Surname
Koken
2,254 worldwide · 26 countries
2,254
Total population
26
Countries
1 in every 3,593,611
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Japan
1,595
70.8%
2
United States
184
8.2%
3
Netherlands
119
5.3%
4
Kazakhstan
83
3.7%
5
Papua New Guinea
79
3.5%
World distribution
Loading map...