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