Interesting facts With only 30.7 km² and 404 thousand inhabitants squeezed into an area smaller than Guarulhos Airport, Diadema is the city with the highest population density in Brazil. Valdemar Medeiros 21/05/2026 at 11:45
Interesting facts Brazilian City Known as ‘Human Ant Hill’: No More Space for Anything and Accumulates Over 12,000 Inhabitants Per Square Kilometer Alisson Ficher 10/12/2025 at 17:17
