Nezo-Chalco-Itza is the world's largest slum, with about four million impoverished people living in it. The residents of this Mexican slum account for almost 10 percent of the population of Mexico City.

What are slums in Mexico called?

The immense scale of Mexico City's housing poverty andthe highly complex, dynamic processes preclude general official or unofficial definitions of slums comparable to the English word. Instead, terms such as colonias populares (lower class neighbourhoods) are used.

Are there any slums in Mexico City?

Tlalzipatli is one Mexico City's estimated 835 slums; the national government estimates that there are 300 in the delegación of Xochimilco alone (though activists suggest the true number is closer to 500).