Main country
China
8,394,462 people
92% of total
Surname
Cao
9,122,181 worldwide · 137 countries
9,122,181
Total population
137
Countries
1 in every 888
Frequency
Rarity
Very Common
Dispersion
Global
Top countries
1
China
8,394,462
92%
2
Vietnam
617,574
6.8%
3
Taiwan
52,137
0.6%
4
United States
19,401
0.2%
5
Philippines
4,917
0.1%
World distribution
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