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