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