Main country
Japan
16,389 people
81.4% of total
Surname
Otsuka
20,146 worldwide · 42 countries
20,146
Total population
42
Countries
1 in every 402,065
Frequency
Rarity
Moderate
Dispersion
Regional
Top countries
1
Japan
16,389
81.4%
2
Brazil
1,867
9.3%
3
United States
1,185
5.9%
4
Hong Kong
167
0.8%
5
Singapore
90
0.4%
World distribution
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