These graphics tell you everything you need to know about the world's greatest subways

Riders jump on subways to the tune of millions of miles every year.

When it comes to cost, Paris is expensive. Kiev, not so much.

Subways have been steadily constructed since the middle of the 19th century.

Not surprisingly, New York has an enormous number of subway stations.

Here's how New York keeps things moving underground...

DON'T MISS: New York City Keeps The Subway Running By Fixing It Before It Breaks