Thanks to this world map that shows the density of people with the surname Rueff in different countries, you can get an idea not only of the popularity of the surname Rueff in each country but also of the different migrations of people surnamed Rueff.
The quantity of people with the surname Rueff that we can find in each country can help us discern the origin of the surname Rueff, as logic tells us that the place with the most people surnamed Rueff will be the country or area of origin of the surname Rueff.
Locating at a single glance the countries where the surname Rueff is more abundant, as well as the areas of the globe where there are hardly any people with the surname Rueff, is of great utility for individuals interested in surnames, and specifically in the surname Rueff, as it allows them to quickly and easily visualize the data and its distribution."