The quantity of people with the surname Tunha that we can find in each country can help us discern the origin of the surname Tunha, as logic tells us that the place with the most people surnamed Tunha will be the country or area of origin of the surname Tunha.
Globalization can make the surname Tunha 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 Tunha greatly aids all those who seek a deeper knowledge about the surname Tunha.