The table below gives information about the underground railway systems in 6 countries.

The table presents data on three aspects of underground railway operations across six nations.

Overall

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, older systems tended to have longer routes, but

this

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did not necessarily correspond to the higher passenger numbers. London, opening in 1863, was the oldest underground network and had the longest route length at 394 kilometres.

However

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, it handled only 775

million

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passengers per year.

By comparison

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, both Paris and Tokyo recorded over one billion travellers annually, with Tokyo having the highest figure at 1927

million

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, followed by Paris at 1191

million

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. Paris (1900) was older than Tokyo (1927), and it

also

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had a longer journey, at 199 km and 155 km respectively. As for Washington, D.C., it was introduced in 1976 and covered a relatively short route of 126 kilometres, serving 144

million

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passengers.

In contrast

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,

although

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Los Angeles (2001) was opened later than Kyoto (1981), it surpassed the latter in both range distances and traveller numbers. Los Angeles had a 28-kilometre route, more than twice that of Kyoto’s 11 km.

Similarly

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, Los Angeles carried slightly more travellers at 50

million

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, compared with 50

million

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in Kyoto.