Flow Map

Flow Map

Flow maps are useful in mapping the flow, or the trend, of a number of things, be it people, goods, ideas, diseases, etcetera. The flow map below, produced by TeleGeography, maps the volume of international telephone traffic between nations in the European union. The area of the circles on the map represent the county totals and the thickness of the connecting lines represent the route totals in millions of minutes. It can be easily seen by this mapping technique that the majority of international calls are going in and out of the UK, Denmak, and France.

http://www.mundi.net/maps/maps_014/