Thanks to this world map that shows the density of people with the surname Fahlander in different countries, you can get an idea not only of the popularity of the surname Fahlander in each country but also of the different migrations of people surnamed Fahlander.
The quantity of people with the surname Fahlander that we can find in each country can help us discern the origin of the surname Fahlander, as logic tells us that the place with the most people surnamed Fahlander will be the country or area of origin of the surname Fahlander.