The table shows data about underground railway systems in six major cities with data opened, kilometers of route and passenger numbers per year in millions.

The table below compares six different underground systems in terms of their opening date, length and the

number

of

passengers

per year.

Overall

, it can be seen that the London Underground is one of the oldest and longest,

while

the highest

number

of

passengers

on the Tokyo Underground.

In contrast

,

Los

Angeles and

Kyoto

are the youngest underground with the fewest

number

of

passengers

. London was opened in 1863 and has the longest route (394 km), 775

million

passengers

use it annually. The second oldest station is in Paris, with 199

kilometres

of route and 1191

million

passengers

per year.

Although

the Tokyo underground was established in 1927, it has the highest

number

of

passengers

every year, with 1927 millions of people. With regards to the remaining Underground railway systems, the youngest was in

Los

Angelos, which was set up in 2001; meanwhile,

Kyoto

in 1981 and Washington DC in 1976. The

number

of

passengers

in Washington DC accounts for 144

million

people compared to

Kyoto

and

Los

Angeles which have 45 and 50

million

people respectively. Washington DC has 126

kilometres

of the route as opposed to the shortest railway in

Kyoto

(11

kilometres

) and

Los

Angelos (28

kilometres

)