12,005,878
12,003,443
7,945,996
6,772,868
3,167,079
South America features several megacities, with Buenos Aires leading as the largest metropolitan area at 3.2M residents. Sao Paulo follows with 12M inhabitants, while Lima (12M) and Bogota (7.9M) form another tier of major metropolises.
Brazil dominates the urban landscape with multiple major cities beyond São Paulo, including Rio de Janeiro (6.8M), Salvador (2.6M), and Fortaleza (2.6M). The capital city, Brasilia, maintains 3M residents.
Several countries feature prominent urban corridors: Colombia includes Cali (2.3M) and Medellin (2.5M), while Venezuela hosts Caracas (2.2M) and Maracaibo (2.6M).