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