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