List of United States rapid transit systems by ridership
Columns: Annual ridership (2012) | Rider. per mile | Opened | Stations | Lines
2544892400 | 37613 | 1904 | 468 | 24 | 280904200 | 9227 | 1976 | 86 | 5 | 231154300 | 7095 | 1892 | 145 | 8 | 165028800 | 13982 | 1897 | 53 | 3 | 123219300 | 4056 | 1972 | 44 | 5 | 98171300 | 9172 | 1907 | 74 | 3 | 70548400 | 18123 | 1908 | 13 | 4 | 70506800 | 4594 | 1979 | 38 | 4 | 48703700 | 9115 | 1993 | 16 | 2 | 19242800 | 2904 | 1984 | 23 | 2 | 15399400 | 3871 | 1983 | 14 | 1 | 11023500 | 3794 | 2004 | 16 | 1 | 10619900 | 2606 | 1936 | 13 | 1 | 6239900 | 881 | 1955 | 18 | 1 | 4445100 | 1071 | 1860 | 22 | 1