| Annual Passenger Rides (million) | Metro System | Continent |
| 3174 | |
| 2573 | |
| 2047 | |
| 1624 | |
| 1460 | |
| 1457 | |
| 1388 | |
| 1323 | |
| 1300 | |
| 1197 | |
| 877.8 | |
| 829.8 | |
| 700 | |
| 690 | |
| 684 | |
| 675 | |
| 659.9 | |
| 642 | |
| 597 | |
| 510.2 | |
| 498.1 | |
| 473.1 | |
| 462.5 | |
| 427 | |
| 422 | |
| | Annual Passenger Rides (million) | Metro System | Continent |
| 416 | |
| 410 | |
| 409.8 | |
| 387 | |
| 382.5 | |
| 349 | |
| 331 | |
| 318 | |
| 307 | |
| 306 | |
| 297 | |
| 293 | |
| 280.2 | |
| 278 | |
| 278 | |
| 278 | |
| 273 | |
| 262 | |
| 255 | |
| 219 | |
| 211.7 | |
| 210 | |
| 198 | |
| 196.6 | |
| 189 | |
|