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