Thanks to this world map that shows the density of people with the surname Duarte in different countries, you can get an idea not only of the popularity of the surname Duarte in each country but also of the different migrations of people surnamed Duarte.
The quantity of people with the surname Duarte that we can find in each country can help us discern the origin of the surname Duarte, as logic tells us that the place with the most people surnamed Duarte will be the country or area of origin of the surname Duarte.
