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