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