Main country
United States
420 people
99.8% of total
Surname
Kleffman
421 worldwide · 2 countries
421
Total population
2
Countries
1 in every 19,239,905
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
United States
420
99.8%
2
Canada
1
0.2%
World distribution
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