The quantity of people with the surname Calvo that we can find in each country can help us discern the origin of the surname Calvo, as logic tells us that the place with the most people surnamed Calvo will be the country or area of origin of the surname Calvo.
Globalization can make the surname Calvo be found in almost every country around the globe, but being able to see the density of people residing in a country with the surname Calvo greatly aids all those who seek a deeper knowledge about the surname Calvo.