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