CHART: Top Ten Biggest Subway Systems

Some data for your weekend: Here are the ridership numbers for the the ten biggest subway systems in the world. Click the chart to see the tallies. Data via NY MTA.

1. Tokyo: 3.151 billion (2010)
2. Moscow: 2.389 billion (2011)
3. Beijing: 2.180 billion (2011)
4. Shanghai: 1.884 billion (2010)
5. Seoul: 1.769 billion (2010)
6. Guangzhou: 1.640 billion (2011)
7. New York: City 1.640 billion (2011)
8. Paris: 1.506 billion (2010)
9. Mexico City: 1.410 billion (2010)
10. Hong Kong: 1.378 billion (2011)