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