The quantity of people with the surname Pethke that we can find in each country can help us discern the origin of the surname Pethke, as logic tells us that the place with the most people surnamed Pethke will be the country or area of origin of the surname Pethke.
Globalization can make the surname Pethke 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 Pethke greatly aids all those who seek a deeper knowledge about the surname Pethke.