# List of Latin American rail transit systems by ridership

The following is a list of all urban rail transit systems in Latin America, ranked by passenger ridership. These kinds of systems are most commonly known as metro (or subway in English), but may also be known as subte, tren, or tranvía systems. Daily and annual passengers ridership figures in this chart are based on annual and daily (not just weekday) average passenger trips. The year of the source date varies and is provided on the right.
Overall, Brazil has the largest number of metros, with 12 such systems, followed by Venezuela with 4 metro systems. The São Paulo Metro has the highest passenger ridership from a single operator in Latin America, and second in the Americas, after the New York City Subway.
| | System | Country | City served | Annual Ridership* | Average daily boardings* | System length | Ave. daily boardings per km* | Year opened | Stations | Lines | Source date |
| 1 | São Paulo Metro | Brazil | São Paulo | 1,196,500,000 | 3,278,082 | 104 km (64.6 mi) | 31,520 | 1974 | 91 | 6 | 2023 |
| 2 | Mexico City Metro | Mexico | Mexico City | 1,115,160,000 | 3,055,232 | 200.8 km (124.8 mi) | 15,215 | 1969 | 195 | 12 | 2023 |
| 3 | Santiago Metro | Chile | Santiago | 599,090,000 | 1,641,342 | 149 km (92.6 mi) | 11,015 | 1975 | 143 | 7 | 2023 |
| 4 | Caracas Metro | Venezuela | Caracas | 494,987,035 | 1,356,129 | 54.1 km (33.6 mi) | 25,067 | 1983 | 48 | 4 | 2023 |
| 5 | Subte | Argentina | Buenos Aires | 345,391,524 | 946,278 | 56.7 km (35.2 mi) | 16,689 | 1913 | 90 | 6 | 2023 |
| 6 | Medellín Metro | Colombia | Medellín | 249,975,586 | 684,865 | 31.3 km (19.4 mi) | 21,881 | 1995 | 27 | 2 | 2023 |
| 7 | MetrôRio | Brazil | Rio de Janeiro | 188,900,000 | 517,534 | 58 km (36.0 mi) | 8,923 | 1979 | 41 | 3 | 2023 |
| 8 | Lima Metro | Peru | Lima | 174,564,000 | 478,258 | 34.6 km (21.5 mi) | 13,822 | 2014 | 26 | 1 | 12/2014 |
| 9 | Sistema de Tren Eléctrico Urbano | Mexico | Guadalajara | 157,704,000 | 432,117 | 46.5 km (28.9 mi) | 9,293 | 1989 | 48 | 3 | 2023 |
| 10 | Monterrey Metro | Mexico | Monterrey | 118,036,600 | 323,388 | 40.5 km (25.2 mi) | 7,985 | 1991 | 40 | 3 | 2023 |
| 11 | Recife Metro | Brazil | Recife | 79,600,000 | 285,000 | 44.2 km (27.5 mi) | 6,448 | 1985 | 30 | 4 | 2012 |
| 12 | Santo Domingo Metro | Dominican Republic | Santo Domingo | 76,600,000 | 275,000 | 27.4 km (17.0 mi) | 5,497 | 2008 | 30 | 2 | 2017 |
| 13 | Panama Metro | Panama | Panama City | 68,500,000 | 260,000 | 37 km (23.0 mi) | 12,409 | 2014 | 30 | 2 | 2015 |
| 14 | Trensurb | Brazil | Porto Alegre | 62,000,000 | 170,000 | 39 km (24.2 mi) | 4,359 | 1985 | 19 | 1 | 2011 |
| 15 | Belo Horizonte Metro | Brazil | Belo Horizonte | 57,419,280 | 157,300 | 28.1 km (17.5 mi) | 5,598 | 1986 | 19 | 1 | 2012 |
| 16 | Federal District Metro | Brazil | Brasília | 54,750,000 | 150,000 | 42.4 km (26.3 mi) | 3,538 | 2001 | 24 | 2 | 2009 |
| 17 | Xochimilco Light Rail | Mexico | Mexico City | 21,000,000 | 57,534 | 12.8 km (8.0 mi) | 4,495 | 1986 | 18 | 1 | 2007 |
| 18 | Valparaíso Metro | Chile | Valparaíso | 20,120,000 | 55,123 | 43 km (26.7 mi) | 1,096 | 2005 | 20 | 1 | 2013 |
| 19 | Valencia Metro | Venezuela | Valencia | 17,200,000 | 62,000 | 6.2 km (3.9 mi) | 10,000 | 2006 | 7 | 1 | 2012 |
| 20 | Los Teques Metro | Venezuela | Los Teques/Caracas | 13,000,000 | 35,616 | 10.2 km (6.3 mi) | 3,490 | 2006 | 3 | 1 | 08/2013 |
| 21 | Tren Urbano | United States (Puerto Rico) | San Juan | 11,023,500 | 40,600 | 17.2 km (10.7 mi) | 2,360 | 2004 | 16 | 1 | Q4 2012 |
| 22 | Maracaibo Metro | Venezuela | Maracaibo | 9,000,000 | 42,000 | 6.5 km (4.0 mi) | 3,490 | 2006 | 6 | 1 | 2011 |
| 23 | Teresina Metro | Brazil | Teresina | 4,300,000 | 12,000 | 14.5 km (9.0 mi) | 828 | 1989 | 9 | 1 | 2009 |
| 24 | Fortaleza Metro | Brazil | Fortaleza | n/a | n/a | 43 km (26.7 mi) | n/a | 2012 | 28 | 2 | n/a |
| 25 | Metrotranvía Mendoza | Argentina | Mendoza | n/a | n/a | 12.5 km (7.8 mi) | n/a | 2012 | 26 | 1 | n/a |
| 26 | Salvador Metro | Brazil | Salvador | n/a | 400,000 | 38 km (23.6 mi) | n/a | 2014 | 20 | 2 | n/a |
| 27 | Maceió Metro | Brazil | Maceió | n/a | 40,000 (Projected) | 32 km (19.9 mi) | n/a | 1997 | n/a | 1 | 2024 |
| 28 | Cariri Metro | Brazil | Crato–Juazeiro | n/a | 5,000 | 13.9 km (8.6 mi) | 360 | 2009 | 9 | 1 | n/a |
| 29 | Quito Metro | Ecuador | Quito | 73,365,000 | 201,000 | 22 km (13.7 mi) | 9,136 | 2023 | 15 | 1 | 2022 |
*Corresponds to the ridership source provided for each transit system.