The shortage of available building land within Mexico City has led to an increase in irregular human settlements, rising from 348 in 1987 to over 3,000 in 2020. These new settlements are often located in conservation areas, lacking services and posing environmental risks.

Aumentaron de 348 en 1987 a más de tres mil en 2020, principalmente en zonas de conservación sin servicios y con riesgos ambientales.