List of North American light rail systems

The following is a list of all light rail systems in North America, ranked by ridership. Daily figures for American and Canadian light rail systems are "average weekday unlinked passenger trips" (where transfers between lines are counted as two separate passenger "boardings" or "trips"), unless otherwise indicated. For light rail systems in the United States and Canada, these figures come from the American Public Transit Association (APTA) Ridership Reports statistics. For Mexico, the figures are obtained from Banco de Información Económica's Instituto Nacional de Estadísitica y Geografía (INEGI), and the daily figures represent daily passenger trips averaged from the monthly and quarterly ridership figures. "Daily boardings per mile" figures have been rounded to the nearest 5 or 10.

The question of which systems would qualify as "light rail transit systems" is debatable, so this table includes some systems (such as Toronto's) which are technically streetcars rather than "true" light rail.

Excluded systems
The following systems have been excluded from the ridership table above (generally because the system's ridership statistics are not tracked by APTA):
 * Galveston Island Trolley (Galveston, TX)
 * Kenosha Streetcars (Kenosha, WI)
 * Metro Streetcar (Little Rock, AR)
 * River Street Streetcar (Savannah, GA)