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