Main country
Japan
2,407 people
50.9% of total
Surname
Kumagai
4,732 worldwide · 38 countries
4,732
Total population
38
Countries
1 in every 1,711,750
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Japan
2,407
50.9%
2
Brazil
1,268
26.8%
3
United States
729
15.4%
4
Canada
153
3.2%
5
Philippines
34
0.7%
World distribution
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