Main country
Netherlands
876 people
88.5% of total
Surname
Koolhaas
990 worldwide · 14 countries
990
Total population
14
Countries
1 in every 8,181,818
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Netherlands
876
88.5%
2
United States
63
6.4%
3
Canada
17
1.7%
4
Uruguay
8
0.8%
5
Israel
6
0.6%
World distribution
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