
If this modest growth of 1.3% could continue, the world population would reach a density of one person per square meter on the dry-land surface of the earth in 780 years. And the mass of people would equal the mass of the earth in 2400 years.
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Voir extrait à la 4ème minute et 43 secondes (En 2014, la surface de terre émergée par habitant est de 23 342 m²)
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