The quantity of people with the surname Calendar that we can find in each country can help us discern the origin of the surname Calendar, as logic tells us that the place with the most people surnamed Calendar will be the country or area of origin of the surname Calendar.
Locating at a single glance the countries where the surname Calendar is more abundant, as well as the areas of the globe where there are hardly any people with the surname Calendar, is of great utility for individuals interested in surnames, and specifically in the surname Calendar, as it allows them to quickly and easily visualize the data and its distribution."