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