Thanks to this world map that shows the density of people with the surname Reznik in different countries, you can get an idea not only of the popularity of the surname Reznik in each country but also of the different migrations of people surnamed Reznik.
The quantity of people with the surname Reznik that we can find in each country can help us discern the origin of the surname Reznik, as logic tells us that the place with the most people surnamed Reznik will be the country or area of origin of the surname Reznik.