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