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