Using graphic elements like this world map, to see in which countries or regions of the world the surname T is more common, is of great help.
Thanks to this world map that shows the density of people with the surname T in different countries, you can get an idea not only of the popularity of the surname T in each country but also of the different migrations of people surnamed T.
Globalization can make the surname T 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 T greatly aids all those who seek a deeper knowledge about the surname T.