Thanks to this world map that shows the density of people with the surname Qiuzhang in different countries, you can get an idea not only of the popularity of the surname Qiuzhang in each country but also of the different migrations of people surnamed Qiuzhang.
The quantity of people with the surname Qiuzhang that we can find in each country can help us discern the origin of the surname Qiuzhang, as logic tells us that the place with the most people surnamed Qiuzhang will be the country or area of origin of the surname Qiuzhang.
Locating at a single glance the countries where the surname Qiuzhang is more abundant, as well as the areas of the globe where there are hardly any people with the surname Qiuzhang, is of great utility for individuals interested in surnames, and specifically in the surname Qiuzhang, as it allows them to quickly and easily visualize the data and its distribution."