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Researchers estimate there are 2.5m ants for every human across the planet

The world’s human population is forecast to surpass 8bn in the coming months. Compared with ants, that is a mediocre milestone.

Researchers have made the most thorough assessment to date of the global population of ants and the estimated total is a mind-blowing 20 quadrillion of them, or approximately 2.5 million for every human.

It should come as little surprise considering how ubiquitous these busy and social insects are and the fact that they have thrived since the age of dinosaurs, with the oldest-known ant fossil dating back about 100m years to the Cretaceous period.

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