Main country
Japan
73,159 people
99.1% of total
Surname
Usui
73,824 worldwide · 36 countries
73,824
Total population
36
Countries
1 in every 109,720
Frequency
Rarity
Moderate
Dispersion
Regional
Top countries
1
Japan
73,159
99.1%
2
United States
371
0.5%
3
Brazil
149
0.2%
4
Philippines
24
0%
5
Solomon Islands
15
0%
World distribution
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