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