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