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