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