Main country
Germany
1,125 people
63% of total
Surname
Rettberg
1,786 worldwide · 21 countries
1,786
Total population
21
Countries
1 in every 4,535,274
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Germany
1,125
63%
2
United States
626
35.1%
3
Switzerland
8
0.4%
4
Netherlands
4
0.2%
5
Norway
3
0.2%
World distribution
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