The quantity of people with the surname Demény that we can find in each country can help us discern the origin of the surname Demény, as logic tells us that the place with the most people surnamed Demény will be the country or area of origin of the surname Demény.
Locating at a single glance the countries where the surname Demény is more abundant, as well as the areas of the globe where there are hardly any people with the surname Demény, is of great utility for individuals interested in surnames, and specifically in the surname Demény, as it allows them to quickly and easily visualize the data and its distribution."