The quantity of people with the surname Rathmann that we can find in each country can help us discern the origin of the surname Rathmann, as logic tells us that the place with the most people surnamed Rathmann will be the country or area of origin of the surname Rathmann.
Globalization can make the surname Rathmann be found in almost every country around the globe, but being able to see the density of people residing in a country with the surname Rathmann greatly aids all those who seek a deeper knowledge about the surname Rathmann.