Main country
United States
71 people
78.9% of total
Surname
Robker
90 worldwide · 3 countries
90
Total population
3
Countries
1 in every 90,000,000
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
71
78.9%
2
Germany
18
20%
3
Netherlands
1
1.1%
World distribution
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