The following is a list of cities that have current tram/streetcar (including heritage trams/heritage streetcars), or light rail systems as part of their regular public transit systems. In other words, this list only includes systems which operate year-round and provide actual transit service, not ones that are primarily tourist services, are seasonal-only, or are excursion-type tram operations. Some transit systems branded as "light rail" such as the Docklands Light Railway in London, Ampang Line and Kelana Jaya Line of Kuala Lumpur, Malaysia qualify as metro systems (see medium-capacity rail system) and thus are not listed here – see List of metro systems. Only currently operational tram and LRT systems are included in this listing – tram and LRT systems that have "suspended operation" or are presently under construction are excluded.

Legend

Africa

Asia

All systems in Russia, including those in Asia, are listed together, for convenience, in the Europe section of this article, similarly all systems in Egypt are listed in the Africa section.

Europe

All systems in Kazakhstan and Turkey, including those in Europe, are listed together, for convenience, in the Asia section of this article. All systems in Russia, including those in Asia, are listed together, for convenience, in this section.

North America

The following systems provide regular transit service daily and year-round in North America, including those systems or lines using vintage or faux-vintage streetcars. For other heritage streetcar lines, ones with more limited service, see Streetcars in North America. North America, specifically more so the United States, once had extensive tram networks in almost all cities, but nearly all were removed for bus operations between the 1940s and the 1960s. These systems are listed at List of streetcar systems in the United States.

Oceania

South America

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