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