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