The table illustrates, about six cities (London, paris, Tokyo, Washington DC, Kyoto and Los Angleles) having underground railway systems. units to measure passengers per year is in millions.
Overall, london is the first city to establish the underground railways (1863), among these six cities. Out of which, Los Angeles was the last one (2001).
As London started first, it was higher, in terms of length of route (394Km), but not in, number of passengers travelled in a year (775 million). Late on remaining countries opened it’s functioning, between them Tokyo was in first place, in standards of total passengers (1,927 million).
Although, Kyoto was the fifth country to begin, before Los Angeles, total kilometers travelled and travellers were (11, and 45, respectively), less than the Los Angeles (28, and 50, followingly).
Paris and Washington DC, are in average-in considering kilometers, but paris had more number of riders (1,191 million), compared to Washington DC (144 million). Paris was the second country having, higher rate of travellers after, Tokyo.