Main country
Japan
20,620 people
98% of total
Surname
Kumada
21,051 worldwide · 20 countries
21,051
Total population
20
Countries
1 in every 384,780
Frequency
Rarity
Moderate
Dispersion
Regional
Top countries
1
Japan
20,620
98%
2
India
243
1.2%
3
Brazil
69
0.3%
4
United States
55
0.3%
5
Thailand
13
0.1%
World distribution
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