List of metro systems

For light metro systems, see Medium-capacity rail system § List of systems.
See also: Rapid transit, List of suburban and commuter rail systems, and List of tram and light rail transit systems

From top to bottom: The Beijing Subway is the longest metro network. Shanghai Metro is the metro system with the highest annual ridership. The New York City Subway has the most stations in the world. The London Underground is the oldest metro system.

This list of metro systems includes electrified rapid transit train systems worldwide. In some parts of the world, metro systems are referred to as subways, undergrounds, tubes, mass rapid transit (MRT), metrô or U-Bahn. As of 6 March 2024, 201 cities in 62 countries have a metro system.

The London Underground first opened as an underground railway in 1863 and its first electrified underground line opened in 1890,[1] making it the world's oldest metro system.[2] The Beijing Subway is the world's longest metro network at 815.2 kilometres (507 mi) and the Shanghai Metro has the highest annual ridership at 2.83 billion trips.[3] The New York City Subway has the greatest number of stations. As of 2024, the country with the most metro systems is China, with 54 in operation (excluding Hong Kong and Macao).

  1. ^ "Woohoo! The Northern Line Extension Opens On 20 September". Londonist. 3 September 2021. Retrieved 3 September 2021.
  2. ^ "The Metro: an opportunity for sustainable development in large cities" (PDF). Union Internationale des Transports Publics (UITP) (International Association of Public Transport). November 2003. Archived from the original (PDF) on 22 February 2014. Retrieved 16 June 2014.
  3. ^ Chen, Huizhi (26 December 2020). "Shanghai adds 7,000th train to Metro fleet". shine.cn. Shanghai Daily. Retrieved 26 December 2020.