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