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The world’s largest subway systems: by the numbers

From the longest tracks to highest number of users

The largest subway systems in the world each boast their own superlatives: London’s underground tube, built in 1863, claims the title of the oldest metro, while New York City’s subway, which runs 233 miles, has the most number of stations in the world— a whopping 425— and there are more being added every year.

Subways in China trump London and New York, however. The Shanghai metro is the world’s longest at 365 miles, and if you think your local subway is crowded, just look at Beijing: The Beijing railway serves an average of 9 million people in one day and over 3 billion trips in a year.