Thanks to this world map that shows the density of people with the surname Lagau in different countries, you can get an idea not only of the popularity of the surname Lagau in each country but also of the different migrations of people surnamed Lagau.
The quantity of people with the surname Lagau that we can find in each country can help us discern the origin of the surname Lagau, as logic tells us that the place with the most people surnamed Lagau will be the country or area of origin of the surname Lagau.
Globalization can make the surname Lagau be found in almost every country around the globe, but being able to see the density of people residing in a country with the surname Lagau greatly aids all those who seek a deeper knowledge about the surname Lagau.