The map above shows the number of cities (or sometimes towns) with a tram system in Europe. Russia and Germany are the clear leaders with over 50 systems each.
The UK on the other hand has many fewer systems than comparable sized countries such as France (28) or Italy (23) and the largest city in Europe Western Europe without some form of rail based mass transit (Leeds) [Note: Voronezh, Russia closed their Tram in 2009 and has almost double the population of Leeds].
Finally, Gmunden in Austria (pop: 13,191) is the smallest city in Europe with a functioning tram system.
Here is a list of all networks by city:
