Thanks to this world map that shows the density of people with the surname Dema in different countries, you can get an idea not only of the popularity of the surname Dema in each country but also of the different migrations of people surnamed Dema.
Globalization can make the surname Dema 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 Dema greatly aids all those who seek a deeper knowledge about the surname Dema.