The table shows data about underground railways systems in six major cities with date opened, kilometers of route and passenger numbers per year in millions. Summarise the information by selecting and reporting the main features, making comparisons where relevant.

The provided table illustrates data pertaining to tram systems in six major cities, including their launch dates, route lengths, and annual passenger counts measured in millions. Generally, a trend emerges wherein cities with newer underground railway systems tend to have shorter routes and fewer passengers. Commencing with London, the city inaugurated the oldest tram

system

in 1863, boasting an extensive network of nearly 400 km and a substantial ridership exceeding 770 million.

In contrast

, Los Angeles, the most recent entrant in 2021, operates a more modest

system

with just under 30 km of routes and 50 million annual commuters.

Furthermore

, Paris and Tokyo, both established in 1900 and 1927, respectively, attract a high volume of passengers. These two cities recorded the highest annual ridership figures,

while

Kyoto, with a

system

dating back to 1981, had the lowest count at 45 million. Despite Washington DC having a more recently updated

system

compared to Tokyo, the total number of commuters in Washington cannot match the figures recorded in Tokyo.