Southeast Asia currently has 4 cities with an operational urban rail transit system and rail systems are group by cities rather than individual systems 3 systems are currently under construction.
Urban-rail systems[]
| System/Principal city | Lines | Operators |
|---|---|---|
| Singapore | 8 | 
|
| Bangkok | 5 |  
|
| Kuala Lumpur | 9 | 
|
| Manila | 4 |   
|
| Hanoi | ||
| Ho Chi Minh City | ||
| Jakarta |