Main country
Poland
18 people
85.7% of total
Surname
Jańczak
21 worldwide · 3 countries
21
Total population
3
Countries
1 in every 385,714,286
Frequency
Rarity
Rare
Dispersion
Local
Top countries
1
Poland
18
85.7%
2
Germany
2
9.5%
3
United States
1
4.8%
World distribution
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