Main country
Netherlands
168 people
76.4% of total
Surname
Kooloos
220 worldwide · 10 countries
220
Total population
10
Countries
1 in every 36,818,182
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Netherlands
168
76.4%
2
Australia
43
19.5%
3
Spain
2
0.9%
4
Brazil
1
0.5%
5
Canada
1
0.5%
World distribution
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