A mind-bending real-scale experiment exploring how large a single building would need to be to house all 8 billion people on Earth, visualized in true 3D scale.

This episode breaks population numbers into physical space. Starting from a single human living unit, the scale expands step by step, from one room, to a megastructure, to a building larger than cities and mountains. The result is a shocking visualization of how big humanity really is.

To house all 8 billion people, the proposed “World Residence” would form a cube over 9 kilometers wide on each side, larger than many major cities.

This video turns abstract population numbers into something you can see. By visualizing human space requirements in real scale, it reveals how quickly small assumptions explode into impossible dimensions. It’s a signature Big Data Factor breakdown, simple inputs, extreme scale, and unforgettable perspective.

Big Data Factor explores scale by pushing architecture and space to their limits. If this experiment made you question how large structures can truly become, don’t miss our episode on space-hanging skyscrapers, where buildings are visualized suspended from orbit using real physics and real scale. Together, these episodes reveal how extreme ideas expose the true size of humanity, cities, and the future of vertical living.

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