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