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